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-rw-r--r--test/ruby/test_proc.rb1138
1 files changed, 1072 insertions, 66 deletions
diff --git a/test/ruby/test_proc.rb b/test/ruby/test_proc.rb
index da7f07ef6c..959ea87f25 100644
--- a/test/ruby/test_proc.rb
+++ b/test/ruby/test_proc.rb
@@ -1,10 +1,9 @@
+# frozen_string_literal: false
require 'test/unit'
-require_relative 'envutil'
class TestProc < Test::Unit::TestCase
def setup
@verbose = $VERBOSE
- $VERBOSE = nil
end
def teardown
@@ -53,10 +52,14 @@ class TestProc < Test::Unit::TestCase
assert_equal(5, x)
end
- def assert_arity(n)
+ def assert_arity(n, &block)
meta = class << self; self; end
- meta.class_eval {define_method(:foo, Proc.new)}
- assert_equal(n, method(:foo).arity)
+ b = Proc.new(&block)
+ meta.class_eval {
+ remove_method(:foo_arity) if method_defined?(:foo_arity)
+ define_method(:foo_arity, b)
+ }
+ assert_equal(n, method(:foo_arity).arity)
end
def test_arity
@@ -77,6 +80,18 @@ class TestProc < Test::Unit::TestCase
assert_equal(2, proc{|(x, y), z|[x,y]}.arity)
assert_equal(1, proc{|(x, y), z=0|[x,y]}.arity)
assert_equal(-4, proc{|x, *y, z, a|}.arity)
+ assert_equal(0, proc{|**|}.arity)
+ assert_equal(0, proc{|**o|}.arity)
+ assert_equal(1, proc{|x, **o|}.arity)
+ assert_equal(0, proc{|x=0, **o|}.arity)
+ assert_equal(1, proc{|x, y=0, **o|}.arity)
+ assert_equal(2, proc{|x, y=0, z, **o|}.arity)
+ assert_equal(-3, proc{|x, y=0, *z, w, **o|}.arity)
+
+ assert_equal(2, proc{|x, y=0, z, a:1|}.arity)
+ assert_equal(3, proc{|x, y=0, z, a:|}.arity)
+ assert_equal(-4, proc{|x, y, *rest, a:, b:, c:|}.arity)
+ assert_equal(3, proc{|x, y=0, z, a:, **o|}.arity)
assert_equal(0, lambda{}.arity)
assert_equal(0, lambda{||}.arity)
@@ -95,6 +110,13 @@ class TestProc < Test::Unit::TestCase
assert_equal(2, lambda{|(x, y), z|[x,y]}.arity)
assert_equal(-2, lambda{|(x, y), z=0|[x,y]}.arity)
assert_equal(-4, lambda{|x, *y, z, a|}.arity)
+ assert_equal(-1, lambda{|**|}.arity)
+ assert_equal(-1, lambda{|**o|}.arity)
+ assert_equal(-2, lambda{|x, **o|}.arity)
+ assert_equal(-1, lambda{|x=0, **o|}.arity)
+ assert_equal(-2, lambda{|x, y=0, **o|}.arity)
+ assert_equal(-3, lambda{|x, y=0, z, **o|}.arity)
+ assert_equal(-3, lambda{|x, y=0, *z, w, **o|}.arity)
assert_arity(0) {}
assert_arity(0) {||}
@@ -104,12 +126,24 @@ class TestProc < Test::Unit::TestCase
assert_arity(-3) {|x, *y, z|}
assert_arity(-1) {|*x|}
assert_arity(-1) {|*|}
+ assert_arity(-1) {|**o|}
+ assert_arity(-1) {|**|}
+ assert_arity(-2) {|x, *y, **|}
+ assert_arity(-3) {|x, *y, z, **|}
end
def m(x)
lambda { x }
end
+ def m_nest0(&block)
+ block
+ end
+
+ def m_nest(&block)
+ [m_nest0(&block), m_nest0(&block)]
+ end
+
def test_eq
a = m(1)
b = m(2)
@@ -121,42 +155,74 @@ class TestProc < Test::Unit::TestCase
a = lambda {|x| lambda {} }.call(1)
b = lambda {}
assert_not_equal(a, b, "[ruby-dev:22601]")
+
+ assert_equal(*m_nest{}, "[ruby-core:84583] Feature #14627")
end
- def test_block_par
- assert_equal(10, Proc.new{|&b| b.call(10)}.call {|x| x})
- assert_equal(12, Proc.new{|a,&b| b.call(a)}.call(12) {|x| x})
+ def test_hash_equal
+ # iseq backed proc
+ p1 = proc {}
+ p2 = p1.dup
+
+ assert_equal p1.hash, p2.hash
+
+ # ifunc backed proc
+ p1 = {}.to_proc
+ p2 = p1.dup
+
+ assert_equal p1.hash, p2.hash
+
+ # symbol backed proc
+ p1 = :hello.to_proc
+ p2 = :hello.to_proc
+
+ assert_equal p1.hash, p2.hash
end
- def test_safe
- safe = $SAFE
- c = Class.new
- x = c.new
+ def test_hash_uniqueness
+ def self.capture(&block)
+ block
+ end
- p = proc {
- $SAFE += 1
- proc {$SAFE}
- }.call
- assert_equal(safe, $SAFE)
- assert_equal(safe + 1, p.call)
- assert_equal(safe, $SAFE)
+ procs = Array.new(1000){capture{:foo }}
+ assert_operator(procs.map(&:hash).uniq.size, :>=, 500)
- c.class_eval {define_method(:safe, p)}
- assert_equal(safe, x.safe)
- assert_equal(safe, x.method(:safe).call)
- assert_equal(safe, x.method(:safe).to_proc.call)
+ # iseq backed proc
+ unique_hashes = 1000.times.map { proc {}.hash }.uniq
+ assert_operator(unique_hashes.size, :>=, 500)
- p = proc {$SAFE += 1}
- assert_equal(safe + 1, p.call)
- assert_equal(safe, $SAFE)
+ # ifunc backed proc
+ unique_hashes = 1000.times.map { {}.to_proc.hash }.uniq
+ assert_operator(unique_hashes.size, :>=, 500)
- c.class_eval {define_method(:inc, p)}
- assert_equal(safe + 1, proc {x.inc; $SAFE}.call)
- assert_equal(safe, $SAFE)
- assert_equal(safe + 1, proc {x.method(:inc).call; $SAFE}.call)
- assert_equal(safe, $SAFE)
- assert_equal(safe + 1, proc {x.method(:inc).to_proc.call; $SAFE}.call)
- assert_equal(safe, $SAFE)
+ # symbol backed proc
+ unique_hashes = 1000.times.map { |i| :"test#{i}".to_proc.hash }.uniq
+ assert_operator(unique_hashes.size, :>=, 500)
+ end
+
+ def test_hash_does_not_change_after_compaction
+ omit "compaction is not supported on this platform" unless GC.respond_to?(:compact)
+
+ # [Bug #20853]
+ [
+ "proc {}", # iseq backed proc
+ "{}.to_proc", # ifunc backed proc
+ ":hello.to_proc", # symbol backed proc
+ ].each do |proc|
+ assert_separately([], <<~RUBY)
+ p1 = #{proc}
+ hash = p1.hash
+
+ GC.verify_compaction_references(expand_heap: true, toward: :empty)
+
+ assert_equal(hash, p1.hash, "proc is `#{proc}`")
+ RUBY
+ end
+ end
+
+ def test_block_par
+ assert_equal(10, Proc.new{|&b| b.call(10)}.call {|x| x})
+ assert_equal(12, Proc.new{|a,&b| b.call(a)}.call(12) {|x| x})
end
def m2
@@ -182,22 +248,35 @@ class TestProc < Test::Unit::TestCase
b = b.binding
assert_instance_of(Binding, b, '[ruby-core:25589]')
bug10432 = '[ruby-core:65919] [Bug #10432]'
- assert_same(self, b.eval("self"), bug10432)
+ assert_same(self, b.receiver, bug10432)
+ assert_not_send [b, :local_variable_defined?, :value]
+ assert_raise(NameError) {
+ b.local_variable_get(:value)
+ }
+ assert_equal 42, b.local_variable_set(:value, 42)
+ assert_send [b, :local_variable_defined?, :value]
+ assert_equal 42, b.local_variable_get(:value)
end
def test_block_given_method
+ verbose_bak, $VERBOSE = $VERBOSE, nil
m = method(:m_block_given?)
assert(!m.call, "without block")
assert(m.call {}, "with block")
assert(!m.call, "without block second")
+ ensure
+ $VERBOSE = verbose_bak
end
def test_block_given_method_to_proc
+ verbose_bak, $VERBOSE = $VERBOSE, nil
bug8341 = '[Bug #8341]'
m = method(:m_block_given?).to_proc
assert(!m.call, "#{bug8341} without block")
assert(m.call {}, "#{bug8341} with block")
assert(!m.call, "#{bug8341} without block second")
+ ensure
+ $VERBOSE = verbose_bak
end
def test_block_persist_between_calls
@@ -216,48 +295,82 @@ class TestProc < Test::Unit::TestCase
assert_equal([false, false], m.call, "#{bug8341} nested without block")
end
- def test_curry
+ def test_curry_proc
b = proc {|x, y, z| (x||0) + (y||0) + (z||0) }
assert_equal(6, b.curry[1][2][3])
assert_equal(6, b.curry[1, 2][3, 4])
assert_equal(6, b.curry(5)[1][2][3][4][5])
assert_equal(6, b.curry(5)[1, 2][3, 4][5])
assert_equal(1, b.curry(1)[1])
+ end
+ def test_curry_proc_splat
b = proc {|x, y, z, *w| (x||0) + (y||0) + (z||0) + w.inject(0, &:+) }
assert_equal(6, b.curry[1][2][3])
assert_equal(10, b.curry[1, 2][3, 4])
assert_equal(15, b.curry(5)[1][2][3][4][5])
assert_equal(15, b.curry(5)[1, 2][3, 4][5])
assert_equal(1, b.curry(1)[1])
+ end
+ def test_curry_lambda
b = lambda {|x, y, z| (x||0) + (y||0) + (z||0) }
assert_equal(6, b.curry[1][2][3])
assert_raise(ArgumentError) { b.curry[1, 2][3, 4] }
assert_raise(ArgumentError) { b.curry(5) }
assert_raise(ArgumentError) { b.curry(1) }
+ end
+ def test_curry_lambda_splat
b = lambda {|x, y, z, *w| (x||0) + (y||0) + (z||0) + w.inject(0, &:+) }
assert_equal(6, b.curry[1][2][3])
assert_equal(10, b.curry[1, 2][3, 4])
assert_equal(15, b.curry(5)[1][2][3][4][5])
assert_equal(15, b.curry(5)[1, 2][3, 4][5])
assert_raise(ArgumentError) { b.curry(1) }
+ end
+ def test_curry_no_arguments
b = proc { :foo }
assert_equal(:foo, b.curry[])
+ end
+ def test_curry_given_blocks
b = lambda {|x, y, &blk| blk.call(x + y) }.curry
- b = b.call(2) { raise }
+ b = assert_warning(/given block not used/) {b.call(2) { raise }}
b = b.call(3) {|x| x + 4 }
assert_equal(9, b)
+ end
+ def test_lambda?
l = proc {}
assert_equal(false, l.lambda?)
assert_equal(false, l.curry.lambda?, '[ruby-core:24127]')
+ assert_equal(false, proc(&l).lambda?)
+ assert_equal(false, Proc.new(&l).lambda?)
l = lambda {}
assert_equal(true, l.lambda?)
assert_equal(true, l.curry.lambda?, '[ruby-core:24127]')
+ assert_equal(true, proc(&l).lambda?)
+ assert_equal(true, lambda(&l).lambda?)
+ assert_equal(true, Proc.new(&l).lambda?)
+ end
+
+ def helper_test_warn_lambda_with_passed_block &b
+ lambda(&b)
+ end
+
+ def test_lambda_warning_pass_proc
+ assert_raise(ArgumentError) do
+ b = proc{}
+ lambda(&b)
+ end
+ end
+
+ def test_lambda_warning_pass_block
+ assert_raise(ArgumentError) do
+ helper_test_warn_lambda_with_passed_block{}
+ end
end
def test_curry_ski_fib
@@ -292,16 +405,11 @@ class TestProc < Test::Unit::TestCase
assert_equal(fib, [1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89])
end
- def test_curry_from_knownbug
+ def test_curry_passed_block
a = lambda {|x, y, &b| b }
b = a.curry[1]
- assert_equal(:ok,
- if b.call(2){} == nil
- :ng
- else
- :ok
- end, 'moved from btest/knownbug, [ruby-core:15551]')
+ assert_not_nil(b.call(2){}, '[ruby-core:15551]: passed block to curried block')
end
def test_curry_instance_exec
@@ -321,6 +429,7 @@ class TestProc < Test::Unit::TestCase
end
def test_dup_clone
+ # iseq backed proc
b = proc {|x| x + "bar" }
class << b; attr_accessor :foo; end
@@ -333,6 +442,50 @@ class TestProc < Test::Unit::TestCase
assert_equal("foobar", bc.call("foo"))
bc.foo = :foo
assert_equal(:foo, bc.foo)
+
+ # ifunc backed proc
+ b = {foo: "bar"}.to_proc
+
+ bd = b.dup
+ assert_equal("bar", bd.call(:foo))
+
+ bc = b.clone
+ assert_equal("bar", bc.call(:foo))
+
+ # symbol backed proc
+ b = :to_s.to_proc
+
+ bd = b.dup
+ assert_equal("testing", bd.call(:testing))
+
+ bc = b.clone
+ assert_equal("testing", bc.call(:testing))
+ end
+
+ def test_dup_subclass
+ c1 = Class.new(Proc)
+ assert_equal c1, c1.new{}.dup.class, '[Bug #17545]'
+ c1 = Class.new(Proc) {def initialize_dup(*) throw :initialize_dup; end}
+ assert_throw(:initialize_dup) {c1.new{}.dup}
+ end
+
+ def test_dup_ifunc_proc_bug_20950
+ assert_normal_exit(<<~RUBY, "[Bug #20950]")
+ p = { a: 1 }.to_proc
+ 100.times do
+ p = p.dup
+ GC.start
+ p.call
+ rescue ArgumentError
+ end
+ RUBY
+ end
+
+ def test_clone_subclass
+ c1 = Class.new(Proc)
+ assert_equal c1, c1.new{}.clone.class, '[Bug #17545]'
+ c1 = Class.new(Proc) {def initialize_clone(*) throw :initialize_clone; end}
+ assert_throw(:initialize_clone) {c1.new{}.clone}
end
def test_binding
@@ -354,9 +507,23 @@ class TestProc < Test::Unit::TestCase
assert_equal([1, 2, 3], b.eval("[x, y, z]"))
end
+ def test_binding_source_location
+ b, expected_location = binding, [__FILE__, __LINE__]
+ assert_equal(expected_location, b.source_location)
+
+ file, lineno = method(:source_location_test).to_proc.binding.source_location
+ assert_match(/^#{ Regexp.quote(__FILE__) }$/, file)
+ assert_equal(@@line_of_source_location_test[0], lineno, 'Bug #2427')
+ end
+
+ def test_binding_error_unless_ruby_frame
+ define_singleton_method :binding_from_c!, method(:binding).to_proc >> ->(bndg) {bndg}
+ assert_raise(RuntimeError) { binding_from_c! }
+ end
+
def test_proc_lambda
assert_raise(ArgumentError) { proc }
- assert_raise(ArgumentError) { lambda }
+ assert_raise(ArgumentError) { assert_warn(/deprecated/) {lambda} }
o = Object.new
def o.foo
@@ -364,14 +531,18 @@ class TestProc < Test::Unit::TestCase
1.times { b = lambda }
b
end
- assert_equal(:foo, o.foo { :foo }.call)
+ assert_raise(ArgumentError) do
+ assert_deprecated_warning {o.foo { :foo }}.call
+ end
- def o.foo(&b)
+ def o.bar(&b)
b = nil
1.times { b = lambda }
b
end
- assert_equal(:foo, o.foo { :foo }.call)
+ assert_raise(ArgumentError) do
+ assert_deprecated_warning {o.bar { :foo }}.call
+ end
end
def test_arity2
@@ -387,6 +558,7 @@ class TestProc < Test::Unit::TestCase
t = Thread.new { sleep }
assert_raise(ThreadError) { t.instance_eval { initialize { } } }
t.kill
+ t.join
end
def test_to_proc
@@ -402,7 +574,7 @@ class TestProc < Test::Unit::TestCase
assert_equal(:noreason, exc.reason)
end
- def test_binding2
+ def test_curry_binding
assert_raise(ArgumentError) { proc {}.curry.binding }
end
@@ -549,7 +721,7 @@ class TestProc < Test::Unit::TestCase
assert_equal [1, 2, 3], pr.call([1,2,3,4,5,6])
end
- def test_proc_args_opt_signle
+ def test_proc_args_opt_single
bug7621 = '[ruby-dev:46801]'
pr = proc {|a=:a|
a
@@ -756,6 +928,115 @@ class TestProc < Test::Unit::TestCase
assert_equal [[1, 2], Proc, :x], (pr.call(1, 2){|x| x})
end
+ def test_proc_args_single_kw_no_autosplat
+ pr = proc {|c, a: 1| [c, a] }
+ assert_equal [nil, 1], pr.call()
+ assert_equal [1, 1], pr.call(1)
+ assert_equal [[1], 1], pr.call([1])
+ assert_equal [1, 1], pr.call(1,2)
+ assert_equal [[1, 2], 1], pr.call([1,2])
+
+ assert_equal [nil, 3], pr.call(a: 3)
+ assert_equal [1, 3], pr.call(1, a: 3)
+ assert_equal [[1], 3], pr.call([1], a: 3)
+ assert_equal [1, 3], pr.call(1,2, a: 3)
+ assert_equal [[1, 2], 3], pr.call([1,2], a: 3)
+ end
+
+ def test_proc_args_single_kwsplat_no_autosplat
+ pr = proc {|c, **kw| [c, kw] }
+ assert_equal [nil, {}], pr.call()
+ assert_equal [1, {}], pr.call(1)
+ assert_equal [[1], {}], pr.call([1])
+ assert_equal [1, {}], pr.call(1,2)
+ assert_equal [[1, 2], {}], pr.call([1,2])
+
+ assert_equal [nil, {a: 3}], pr.call(a: 3)
+ assert_equal [1, {a: 3}], pr.call(1, a: 3)
+ assert_equal [[1], {a: 3}], pr.call([1], a: 3)
+ assert_equal [1, {a: 3}], pr.call(1,2, a: 3)
+ assert_equal [[1, 2], {a: 3}], pr.call([1,2], a: 3)
+ end
+
+ def test_proc_args_multiple_kw_autosplat
+ pr = proc {|c, b, a: 1| [c, b, a] }
+ assert_equal [1, 2, 1], pr.call([1,2])
+
+ pr = proc {|c=nil, b=nil, a: 1| [c, b, a] }
+ assert_equal [nil, nil, 1], pr.call([])
+ assert_equal [1, nil, 1], pr.call([1])
+ assert_equal [1, 2, 1], pr.call([1,2])
+
+ pr = proc {|c, b=nil, a: 1| [c, b, a] }
+ assert_equal [1, nil, 1], pr.call([1])
+ assert_equal [1, 2, 1], pr.call([1,2])
+
+ pr = proc {|c=nil, b, a: 1| [c, b, a] }
+ assert_equal [nil, 1, 1], pr.call([1])
+ assert_equal [1, 2, 1], pr.call([1,2])
+
+ pr = proc {|c, *b, a: 1| [c, b, a] }
+ assert_equal [1, [], 1], pr.call([1])
+ assert_equal [1, [2], 1], pr.call([1,2])
+
+ pr = proc {|*c, b, a: 1| [c, b, a] }
+ assert_equal [[], 1, 1], pr.call([1])
+ assert_equal [[1], 2, 1], pr.call([1,2])
+ end
+
+ def test_proc_args_multiple_kwsplat_autosplat
+ pr = proc {|c, b, **kw| [c, b, kw] }
+ assert_equal [1, 2, {}], pr.call([1,2])
+
+ pr = proc {|c=nil, b=nil, **kw| [c, b, kw] }
+ assert_equal [nil, nil, {}], pr.call([])
+ assert_equal [1, nil, {}], pr.call([1])
+ assert_equal [1, 2, {}], pr.call([1,2])
+
+ pr = proc {|c, b=nil, **kw| [c, b, kw] }
+ assert_equal [1, nil, {}], pr.call([1])
+ assert_equal [1, 2, {}], pr.call([1,2])
+
+ pr = proc {|c=nil, b, **kw| [c, b, kw] }
+ assert_equal [nil, 1, {}], pr.call([1])
+ assert_equal [1, 2, {}], pr.call([1,2])
+
+ pr = proc {|c, *b, **kw| [c, b, kw] }
+ assert_equal [1, [], {}], pr.call([1])
+ assert_equal [1, [2], {}], pr.call([1,2])
+
+ pr = proc {|*c, b, **kw| [c, b, kw] }
+ assert_equal [[], 1, {}], pr.call([1])
+ assert_equal [[1], 2, {}], pr.call([1,2])
+ end
+
+ def test_proc_args_only_rest
+ pr = proc {|*c| c }
+ assert_equal [], pr.call()
+ assert_equal [1], pr.call(1)
+ assert_equal [[1]], pr.call([1])
+ assert_equal [1, 2], pr.call(1,2)
+ assert_equal [[1, 2]], pr.call([1,2])
+ end
+
+ def test_proc_args_rest_kw
+ pr = proc {|*c, a: 1| [c, a] }
+ assert_equal [[], 1], pr.call()
+ assert_equal [[1], 1], pr.call(1)
+ assert_equal [[[1]], 1], pr.call([1])
+ assert_equal [[1, 2], 1], pr.call(1,2)
+ assert_equal [[[1, 2]], 1], pr.call([1,2])
+ end
+
+ def test_proc_args_rest_kwsplat
+ pr = proc {|*c, **kw| [c, kw] }
+ assert_equal [[], {}], pr.call()
+ assert_equal [[1], {}], pr.call(1)
+ assert_equal [[[1]], {}], pr.call([1])
+ assert_equal [[1, 2], {}], pr.call(1,2)
+ assert_equal [[[1, 2]], {}], pr.call([1,2])
+ end
+
def test_proc_args_pos_rest_post_block
pr = proc {|a,b,*c,d,e,&f|
[a, b, c, d, e, f.class, f&&f.call(:x)]
@@ -1059,6 +1340,36 @@ class TestProc < Test::Unit::TestCase
assert_equal([1,2,[3],4,5], r, "[ruby-core:19485]")
end
+ def test_proc_autosplat
+ def self.a(arg, kw)
+ yield arg
+ yield arg, **kw
+ yield arg, kw
+ end
+
+ arr = []
+ a([1,2,3], {}) do |arg1, arg2=0|
+ arr << [arg1, arg2]
+ end
+ assert_equal([[1, 2], [[1, 2, 3], 0], [[1, 2, 3], {}]], arr)
+
+ arr = []
+ a([1,2,3], a: 1) do |arg1, arg2=0|
+ arr << [arg1, arg2]
+ end
+ assert_equal([[1, 2], [[1, 2, 3], {a: 1}], [[1, 2, 3], {a: 1}]], arr)
+ end
+
+ def test_proc_single_arg_with_keywords_accepted_and_yielded
+ def self.a
+ yield [], **{a: 1}
+ end
+ res = a do |arg, **opts|
+ [arg, opts]
+ end
+ assert_equal([[], {a: 1}], res)
+ end
+
def test_parameters
assert_equal([], proc {}.parameters)
assert_equal([], proc {||}.parameters)
@@ -1071,11 +1382,68 @@ class TestProc < Test::Unit::TestCase
assert_equal([[:opt, :a], [:rest, :b], [:opt, :c]], proc {|a, *b, c|}.parameters)
assert_equal([[:opt, :a], [:rest, :b], [:opt, :c], [:block, :d]], proc {|a, *b, c, &d|}.parameters)
assert_equal([[:opt, :a], [:opt, :b], [:rest, :c], [:opt, :d], [:block, :e]], proc {|a, b=:b, *c, d, &e|}.parameters)
- assert_equal([[:opt, nil], [:block, :b]], proc {|(a), &b|a}.parameters)
+ assert_equal([[:opt], [:block, :b]], proc {|(a), &b|a}.parameters)
+ assert_equal([[:opt], [:rest, :_], [:opt]], proc {|(a_), *_, (b_)|}.parameters)
assert_equal([[:opt, :a], [:opt, :b], [:opt, :c], [:opt, :d], [:rest, :e], [:opt, :f], [:opt, :g], [:block, :h]], proc {|a,b,c=:c,d=:d,*e,f,g,&h|}.parameters)
assert_equal([[:req]], method(:putc).parameters)
assert_equal([[:rest]], method(:p).parameters)
+
+ pr = eval("proc{|"+"(_),"*30+"|}")
+ assert_empty(pr.parameters.map{|_,n|n}.compact)
+
+ assert_equal([[:opt]], proc { it }.parameters)
+ end
+
+ def test_proc_autosplat_with_multiple_args_with_ruby2_keywords_splat_bug_19759
+ def self.yielder_ab(splat)
+ yield([:a, :b], *splat)
+ end
+
+ res = yielder_ab([[:aa, :bb], Hash.ruby2_keywords_hash({k: :k})]) do |a, b, k:|
+ [a, b, k]
+ end
+ assert_equal([[:a, :b], [:aa, :bb], :k], res)
+
+ def self.yielder(splat)
+ yield(*splat)
+ end
+ res = yielder([ [:a, :b] ]){|a, b, **| [a, b]}
+ assert_equal([:a, :b], res)
+
+ res = yielder([ [:a, :b], Hash.ruby2_keywords_hash({}) ]){|a, b, **| [a, b]}
+ assert_equal([[:a, :b], nil], res)
+
+ res = yielder([ [:a, :b], Hash.ruby2_keywords_hash({c: 1}) ]){|a, b, **| [a, b]}
+ assert_equal([[:a, :b], nil], res)
+
+ res = yielder([ [:a, :b], Hash.ruby2_keywords_hash({}) ]){|a, b, **nil| [a, b]}
+ assert_equal([[:a, :b], nil], res)
+ end
+
+ def test_parameters_lambda
+ assert_equal([], proc {}.parameters(lambda: true))
+ assert_equal([], proc {||}.parameters(lambda: true))
+ assert_equal([[:req, :a]], proc {|a|}.parameters(lambda: true))
+ assert_equal([[:req, :a], [:req, :b]], proc {|a, b|}.parameters(lambda: true))
+ assert_equal([[:opt, :a], [:block, :b]], proc {|a=:a, &b|}.parameters(lambda: true))
+ assert_equal([[:req, :a], [:opt, :b]], proc {|a, b=:b|}.parameters(lambda: true))
+ assert_equal([[:rest, :a]], proc {|*a|}.parameters(lambda: true))
+ assert_equal([[:req, :a], [:rest, :b], [:block, :c]], proc {|a, *b, &c|}.parameters(lambda: true))
+ assert_equal([[:req, :a], [:rest, :b], [:req, :c]], proc {|a, *b, c|}.parameters(lambda: true))
+ assert_equal([[:req, :a], [:rest, :b], [:req, :c], [:block, :d]], proc {|a, *b, c, &d|}.parameters(lambda: true))
+ assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:block, :e]], proc {|a, b=:b, *c, d, &e|}.parameters(lambda: true))
+ assert_equal([[:req], [:block, :b]], proc {|(a), &b|a}.parameters(lambda: true))
+ assert_equal([[:req, :a], [:req, :b], [:opt, :c], [:opt, :d], [:rest, :e], [:req, :f], [:req, :g], [:block, :h]], proc {|a,b,c=:c,d=:d,*e,f,g,&h|}.parameters(lambda: true))
+
+ pr = eval("proc{|"+"(_),"*30+"|}")
+ assert_empty(pr.parameters(lambda: true).map{|_,n|n}.compact)
+
+ assert_equal([[:opt, :a]], lambda {|a|}.parameters(lambda: false))
+ assert_equal([[:opt, :a], [:opt, :b], [:opt, :c], [:opt, :d], [:rest, :e], [:opt, :f], [:opt, :g], [:block, :h]], lambda {|a,b,c=:c,d=:d,*e,f,g,&h|}.parameters(lambda: false))
+
+ assert_equal([[:req]], proc { it }.parameters(lambda: true))
+ assert_equal([[:opt]], lambda { it }.parameters(lambda: false))
end
def pm0() end
@@ -1089,6 +1457,13 @@ class TestProc < Test::Unit::TestCase
def pmo6(a, *b, c, &d) end
def pmo7(a, b = :b, *c, d, &e) end
def pma1((a), &b) a; end
+ def pmk1(**) end
+ def pmk2(**o) nil && o end
+ def pmk3(a, **o) nil && o end
+ def pmk4(a = nil, **o) nil && o end
+ def pmk5(a, b = nil, **o) nil && o end
+ def pmk6(a, b = nil, c, **o) nil && o end
+ def pmk7(a, b = nil, *c, d, **o) nil && o end
def test_bound_parameters
@@ -1103,30 +1478,40 @@ class TestProc < Test::Unit::TestCase
assert_equal([[:req, :a], [:rest, :b], [:req, :c], [:block, :d]], method(:pmo6).to_proc.parameters)
assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:block, :e]], method(:pmo7).to_proc.parameters)
assert_equal([[:req], [:block, :b]], method(:pma1).to_proc.parameters)
-
- assert_equal([], "".method(:upcase).to_proc.parameters)
+ assert_equal([[:keyrest, :**]], method(:pmk1).to_proc.parameters)
+ assert_equal([[:keyrest, :o]], method(:pmk2).to_proc.parameters)
+ assert_equal([[:req, :a], [:keyrest, :o]], method(:pmk3).to_proc.parameters)
+ assert_equal([[:opt, :a], [:keyrest, :o]], method(:pmk4).to_proc.parameters)
+ assert_equal([[:req, :a], [:opt, :b], [:keyrest, :o]], method(:pmk5).to_proc.parameters)
+ assert_equal([[:req, :a], [:opt, :b], [:req, :c], [:keyrest, :o]], method(:pmk6).to_proc.parameters)
+ assert_equal([[:req, :a], [:opt, :b], [:rest, :c], [:req, :d], [:keyrest, :o]], method(:pmk7).to_proc.parameters)
+
+ assert_equal([], "".method(:empty?).to_proc.parameters)
assert_equal([[:rest]], "".method(:gsub).to_proc.parameters)
assert_equal([[:rest]], proc {}.curry.parameters)
end
def test_to_s
- assert_match(/^#<Proc:0x\h+@#{ Regexp.quote(__FILE__) }:\d+>$/, proc {}.to_s)
- assert_match(/^#<Proc:0x\h+@#{ Regexp.quote(__FILE__) }:\d+ \(lambda\)>$/, lambda {}.to_s)
+ assert_match(/^#<Proc:0x\h+ #{ Regexp.quote(__FILE__) }:\d+>$/, proc {}.to_s)
+ assert_match(/^#<Proc:0x\h+ #{ Regexp.quote(__FILE__) }:\d+ \(lambda\)>$/, lambda {}.to_s)
assert_match(/^#<Proc:0x\h+ \(lambda\)>$/, method(:p).to_proc.to_s)
- x = proc {}
- x.taint
- assert(x.to_s.tainted?)
+ name = "Proc\u{1f37b}"
+ assert_include(EnvUtil.labeled_class(name, Proc).new {}.to_s, name)
end
- @@line_of_source_location_test = __LINE__ + 1
+ @@line_of_source_location_test = [__LINE__ + 1, 2, __LINE__ + 3, 5]
def source_location_test a=1,
b=2
end
def test_source_location
- file, lineno = method(:source_location_test).source_location
+ file, *loc = method(:source_location_test).source_location
assert_match(/^#{ Regexp.quote(__FILE__) }$/, file)
- assert_equal(@@line_of_source_location_test, lineno, 'Bug #2427')
+ assert_equal(@@line_of_source_location_test, loc, 'Bug #2427')
+
+ file, *loc = self.class.instance_method(:source_location_test).source_location
+ assert_match(/^#{ Regexp.quote(__FILE__) }$/, file)
+ assert_equal(@@line_of_source_location_test, loc, 'Bug #2427')
end
@@line_of_attr_reader_source_location_test = __LINE__ + 3
@@ -1159,13 +1544,13 @@ class TestProc < Test::Unit::TestCase
end
def test_block_source_location
- exp_lineno = __LINE__ + 3
- file, lineno = block_source_location_test(1,
+ exp_loc = [__LINE__ + 3, 49, __LINE__ + 4, 49]
+ file, *loc = block_source_location_test(1,
2,
3) do
end
assert_match(/^#{ Regexp.quote(__FILE__) }$/, file)
- assert_equal(exp_lineno, lineno)
+ assert_equal(exp_loc, loc)
end
def test_splat_without_respond_to
@@ -1178,7 +1563,10 @@ class TestProc < Test::Unit::TestCase
def test_curry_with_trace
# bug3751 = '[ruby-core:31871]'
set_trace_func(proc {})
- test_curry
+ methods.grep(/\Atest_curry/) do |test|
+ next if test == __method__
+ __send__(test)
+ end
ensure
set_trace_func(nil)
end
@@ -1201,13 +1589,631 @@ class TestProc < Test::Unit::TestCase
}
end
- def test_overriden_lambda
+ def test_overridden_lambda
bug8345 = '[ruby-core:54687] [Bug #8345]'
assert_normal_exit('def lambda; end; method(:puts).to_proc', bug8345)
end
- def test_overriden_proc
+ def test_overridden_proc
bug8345 = '[ruby-core:54688] [Bug #8345]'
assert_normal_exit('def proc; end; ->{}.curry', bug8345)
end
+
+ def get_binding if: 1, case: 2, when: 3, begin: 4, end: 5
+ a ||= 0
+ binding
+ end
+
+ def test_local_variables
+ b = get_binding
+ assert_equal(%i'if case when begin end a', b.local_variables)
+ a = tap {|;x, y| x = y = x; break binding.local_variables}
+ assert_equal(%i[a b x y], a.sort)
+ end
+
+ def test_local_variables_nested
+ b = tap {break binding}
+ assert_equal(%i[b], b.local_variables, '[ruby-dev:48351] [Bug #10001]')
+ end
+
+ def local_variables_of(bind)
+ this_should_not_be_in_bind = this_should_not_be_in_bind = 2
+ bind.local_variables
+ end
+
+ def test_local_variables_in_other_context
+ feature8773 = '[Feature #8773]'
+ assert_equal([:feature8773], local_variables_of(binding), feature8773)
+ end
+
+ def test_local_variable_get
+ b = get_binding
+ assert_equal(0, b.local_variable_get(:a))
+ assert_raise(NameError){ b.local_variable_get(:b) }
+
+ # access keyword named local variables
+ assert_equal(1, b.local_variable_get(:if))
+ assert_equal(2, b.local_variable_get(:case))
+ assert_equal(3, b.local_variable_get(:when))
+ assert_equal(4, b.local_variable_get(:begin))
+ assert_equal(5, b.local_variable_get(:end))
+
+ assert_raise_with_message(NameError, /local variable \Wdefault\W/) {
+ binding.local_variable_get(:default)
+ }
+ end
+
+ def test_local_variable_set
+ b = get_binding
+ b.local_variable_set(:a, 10)
+ b.local_variable_set(:b, 20)
+ assert_equal(10, b.local_variable_get(:a))
+ assert_equal(20, b.local_variable_get(:b))
+ assert_equal(10, b.eval("a"))
+ assert_equal(20, b.eval("b"))
+ end
+
+ def test_numparam_is_not_local_variables
+ "foo".tap do
+ _9 and flunk
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:_9) }
+ assert_raise(NameError) { binding.local_variable_set(:_9, 1) }
+ assert_raise(NameError) { binding.local_variable_defined?(:_9) }
+ "bar".tap do
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:_9) }
+ assert_raise(NameError) { binding.local_variable_set(:_9, 1) }
+ assert_raise(NameError) { binding.local_variable_defined?(:_9) }
+ end
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:_9) }
+ assert_raise(NameError) { binding.local_variable_set(:_9, 1) }
+ assert_raise(NameError) { binding.local_variable_defined?(:_9) }
+ end
+
+ "foo".tap do
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:_9) }
+ assert_raise(NameError) { binding.local_variable_set(:_9, 1) }
+ assert_raise(NameError) { binding.local_variable_defined?(:_9) }
+ "bar".tap do
+ _9 and flunk
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:_9) }
+ assert_raise(NameError) { binding.local_variable_set(:_9, 1) }
+ assert_raise(NameError) { binding.local_variable_defined?(:_9) }
+ end
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:_9) }
+ assert_raise(NameError) { binding.local_variable_set(:_9, 1) }
+ assert_raise(NameError) { binding.local_variable_defined?(:_9) }
+ end
+ end
+
+ def test_implicit_parameters_for_numparams
+ x = x = 1
+ assert_raise(NameError) { binding.implicit_parameter_get(:x) }
+ assert_raise(NameError) { binding.implicit_parameter_defined?(:x) }
+
+ "foo".tap do
+ _5 and flunk
+ assert_equal([:_1, :_2, :_3, :_4, :_5], binding.implicit_parameters)
+ assert_equal("foo", binding.implicit_parameter_get(:_1))
+ assert_equal(nil, binding.implicit_parameter_get(:_5))
+ assert_raise(NameError) { binding.implicit_parameter_get(:_6) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:it) }
+ assert_equal(true, binding.implicit_parameter_defined?(:_1))
+ assert_equal(true, binding.implicit_parameter_defined?(:_5))
+ assert_equal(false, binding.implicit_parameter_defined?(:_6))
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+ "bar".tap do
+ assert_equal([], binding.implicit_parameters)
+ assert_raise(NameError) { binding.implicit_parameter_get(:_1) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:_6) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:it) }
+ assert_equal(false, binding.implicit_parameter_defined?(:_1))
+ assert_equal(false, binding.implicit_parameter_defined?(:_6))
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+ end
+ assert_equal([:_1, :_2, :_3, :_4, :_5], binding.implicit_parameters)
+ assert_equal("foo", binding.implicit_parameter_get(:_1))
+ assert_equal(nil, binding.implicit_parameter_get(:_5))
+ assert_raise(NameError) { binding.implicit_parameter_get(:_6) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:it) }
+ assert_equal(true, binding.implicit_parameter_defined?(:_1))
+ assert_equal(true, binding.implicit_parameter_defined?(:_5))
+ assert_equal(false, binding.implicit_parameter_defined?(:_6))
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+ end
+
+ "foo".tap do
+ assert_equal([], binding.implicit_parameters)
+ assert_raise(NameError) { binding.implicit_parameter_get(:_1) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:_6) }
+ assert_equal(false, binding.implicit_parameter_defined?(:_1))
+ assert_equal(false, binding.implicit_parameter_defined?(:_6))
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+ "bar".tap do
+ _5 and flunk
+ assert_equal([:_1, :_2, :_3, :_4, :_5], binding.implicit_parameters)
+ assert_equal("bar", binding.implicit_parameter_get(:_1))
+ assert_equal(nil, binding.implicit_parameter_get(:_5))
+ assert_raise(NameError) { binding.implicit_parameter_get(:_6) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:it) }
+ assert_equal(true, binding.implicit_parameter_defined?(:_1))
+ assert_equal(true, binding.implicit_parameter_defined?(:_5))
+ assert_equal(false, binding.implicit_parameter_defined?(:_6))
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+ end
+ assert_equal([], binding.implicit_parameters)
+ assert_raise(NameError) { binding.implicit_parameter_get(:_1) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:_6) }
+ assert_equal(false, binding.implicit_parameter_defined?(:_1))
+ assert_equal(false, binding.implicit_parameter_defined?(:_6))
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+ end
+ end
+
+ def test_it_is_not_local_variable
+ "foo".tap do
+ it
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:it) }
+ assert_equal(false, binding.local_variable_defined?(:it))
+ "bar".tap do
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:it) }
+ assert_equal(false, binding.local_variable_defined?(:it))
+ end
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:it) }
+ assert_equal(false, binding.local_variable_defined?(:it))
+ "bar".tap do
+ it
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:it) }
+ assert_equal(false, binding.local_variable_defined?(:it))
+ end
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:it) }
+ assert_equal(false, binding.local_variable_defined?(:it))
+ end
+
+ "foo".tap do
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:it) }
+ assert_equal(false, binding.local_variable_defined?(:it))
+ "bar".tap do
+ it
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:it) }
+ assert_equal(false, binding.local_variable_defined?(:it))
+ end
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:it) }
+ assert_equal(false, binding.local_variable_defined?(:it))
+ end
+ end
+
+ def test_implicit_parameters_for_it
+ "foo".tap do
+ it or flunk
+ assert_equal([:it], binding.implicit_parameters)
+ assert_equal("foo", binding.implicit_parameter_get(:it))
+ assert_raise(NameError) { binding.implicit_parameter_get(:_1) }
+ assert_equal(true, binding.implicit_parameter_defined?(:it))
+ assert_equal(false, binding.implicit_parameter_defined?(:_1))
+ "bar".tap do
+ assert_equal([], binding.implicit_parameters)
+ assert_raise(NameError) { binding.implicit_parameter_get(:it) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:_1) }
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+ assert_equal(false, binding.implicit_parameter_defined?(:_1))
+ end
+ assert_equal([:it], binding.implicit_parameters)
+ assert_equal("foo", binding.implicit_parameter_get(:it))
+ assert_raise(NameError) { binding.implicit_parameter_get(:_1) }
+ assert_equal(true, binding.implicit_parameter_defined?(:it))
+ assert_equal(false, binding.implicit_parameter_defined?(:_1))
+ end
+
+ "foo".tap do
+ assert_equal([], binding.implicit_parameters)
+ assert_raise(NameError) { binding.implicit_parameter_get(:it) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:_1) }
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+ assert_equal(false, binding.implicit_parameter_defined?(:_1))
+ "bar".tap do
+ it or flunk
+ assert_equal([:it], binding.implicit_parameters)
+ assert_equal("bar", binding.implicit_parameter_get(:it))
+ assert_raise(NameError) { binding.implicit_parameter_get(:_1) }
+ assert_equal(true, binding.implicit_parameter_defined?(:it))
+ assert_equal(false, binding.implicit_parameter_defined?(:_1))
+ end
+ assert_equal([], binding.implicit_parameters)
+ assert_raise(NameError) { binding.implicit_parameter_get(:it) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:_1) }
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+ assert_equal(false, binding.implicit_parameter_defined?(:_1))
+ end
+ end
+
+ def test_implicit_parameters_for_it_complex
+ "foo".tap do
+ it = it = "bar"
+
+ assert_equal([], binding.implicit_parameters)
+ assert_raise(NameError) { binding.implicit_parameter_get(:it) }
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+
+ assert_equal([:it], binding.local_variables)
+ assert_equal("bar", binding.local_variable_get(:it))
+ assert_equal(true, binding.local_variable_defined?(:it))
+ end
+
+ "foo".tap do
+ it or flunk
+
+ assert_equal([:it], binding.implicit_parameters)
+ assert_equal("foo", binding.implicit_parameter_get(:it))
+ assert_equal(true, binding.implicit_parameter_defined?(:it))
+
+ assert_equal([], binding.local_variables)
+ assert_raise(NameError) { binding.local_variable_get(:it) }
+ assert_equal(false, binding.local_variable_defined?(:it))
+ end
+
+ "foo".tap do
+ it or flunk
+ it = it = "bar"
+
+ assert_equal([:it], binding.implicit_parameters)
+ assert_equal("foo", binding.implicit_parameter_get(:it))
+ assert_equal(true, binding.implicit_parameter_defined?(:it))
+
+ assert_equal([:it], binding.local_variables)
+ assert_equal("bar", binding.local_variable_get(:it))
+ assert_equal(true, binding.local_variable_defined?(:it))
+ end
+ end
+
+ def test_implicit_parameters_for_it_and_numparams
+ "foo".tap do
+ it or flunk
+ "bar".tap do
+ _5 and flunk
+ assert_equal([:_1, :_2, :_3, :_4, :_5], binding.implicit_parameters)
+ assert_raise(NameError) { binding.implicit_parameter_get(:it) }
+ assert_equal("bar", binding.implicit_parameter_get(:_1))
+ assert_equal(nil, binding.implicit_parameter_get(:_5))
+ assert_raise(NameError) { binding.implicit_parameter_get(:_6) }
+ assert_equal(false, binding.implicit_parameter_defined?(:it))
+ assert_equal(true, binding.implicit_parameter_defined?(:_1))
+ assert_equal(true, binding.implicit_parameter_defined?(:_5))
+ assert_equal(false, binding.implicit_parameter_defined?(:_6))
+ end
+ end
+
+ "foo".tap do
+ _5 and flunk
+ "bar".tap do
+ it or flunk
+ assert_equal([:it], binding.implicit_parameters)
+ assert_equal("bar", binding.implicit_parameter_get(:it))
+ assert_raise(NameError) { binding.implicit_parameter_get(:_1) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:_5) }
+ assert_raise(NameError) { binding.implicit_parameter_get(:_6) }
+ assert_equal(true, binding.implicit_parameter_defined?(:it))
+ assert_equal(false, binding.implicit_parameter_defined?(:_1))
+ assert_equal(false, binding.implicit_parameter_defined?(:_5))
+ assert_equal(false, binding.implicit_parameter_defined?(:_6))
+ end
+ end
+ end
+
+ def test_implicit_parameter_invalid_name
+ message_pattern = /is not an implicit parameter/
+ assert_raise_with_message(NameError, message_pattern) { binding.implicit_parameter_defined?(:foo) }
+ assert_raise_with_message(NameError, message_pattern) { binding.implicit_parameter_get(:foo) }
+ assert_raise_with_message(NameError, message_pattern) { binding.implicit_parameter_defined?("wrong_implicit_parameter_name_#{rand(10000)}") }
+ assert_raise_with_message(NameError, message_pattern) { binding.implicit_parameter_get("wrong_implicit_parameter_name_#{rand(10000)}") }
+ end
+
+ def test_local_variable_set_wb
+ assert_ruby_status([], <<-'end;', '[Bug #13605]', timeout: 30)
+ b = binding
+ n = 20_000
+
+ n.times do |i|
+ v = rand(2_000)
+ name = "n#{v}"
+ value = Object.new
+ b.local_variable_set name, value
+ end
+ end;
+ end
+
+ def test_local_variable_defined?
+ b = get_binding
+ assert_equal(true, b.local_variable_defined?(:a))
+ assert_equal(false, b.local_variable_defined?(:b))
+ end
+
+ def test_binding_receiver
+ feature8779 = '[ruby-dev:47613] [Feature #8779]'
+
+ assert_same(self, binding.receiver, feature8779)
+
+ obj = Object.new
+ def obj.b; binding; end
+ assert_same(obj, obj.b.receiver, feature8779)
+ end
+
+ def test_proc_mark
+ assert_normal_exit(<<-'EOS')
+ def f
+ Enumerator.new{
+ 100000.times {|i|
+ yield
+ s = "#{i}"
+ }
+ }
+ end
+
+ def g
+ x = proc{}
+ f(&x)
+ end
+ e = g
+ e.each {}
+ EOS
+ end
+
+ def test_prepended_call
+ assert_in_out_err([], "#{<<~"begin;"}\n#{<<~'end;'}", ["call"])
+ begin;
+ Proc.prepend Module.new {def call() puts "call"; super; end}
+ def m(&blk) blk.call; end
+ m {}
+ end;
+ end
+
+ def test_refined_call
+ assert_in_out_err([], "#{<<~"begin;"}\n#{<<~'end;'}", ["call"])
+ begin;
+ using Module.new {refine(Proc) {def call() puts "call"; super; end}}
+ def m(&blk) blk.call; end
+ m {}
+ end;
+ end
+
+ def test_compose
+ f = proc {|x| x * 2}
+ g = proc {|x| x + 1}
+
+ assert_equal(6, (f << g).call(2))
+ assert_equal(6, (g >> f).call(2))
+ end
+
+ def test_compose_with_multiple_args
+ f = proc {|x| x * 2}
+ g = proc {|x, y| x + y}
+
+ assert_equal(6, (f << g).call(1, 2))
+ assert_equal(6, (g >> f).call(1, 2))
+ end
+
+ def test_compose_with_block
+ f = proc {|x| x * 2}
+ g = proc {|&blk| blk.call(1) }
+
+ assert_equal(8, (f << g).call { |x| x + 3 })
+ assert_equal(8, (g >> f).call { |x| x + 3 })
+ end
+
+ def test_compose_with_lambda
+ f = lambda {|x| x * 2}
+ g = lambda {|x| x}
+ not_lambda = proc {|x| x}
+
+ assert_predicate((f << g), :lambda?)
+ assert_predicate((g >> f), :lambda?)
+ assert_predicate((not_lambda << f), :lambda?)
+ assert_not_predicate((f << not_lambda), :lambda?)
+ assert_not_predicate((not_lambda >> f), :lambda?)
+ end
+
+ def test_compose_with_method
+ f = proc {|x| x * 2}
+ c = Class.new {
+ def g(x) x + 1 end
+ }
+ g = c.new.method(:g)
+
+ assert_equal(6, (f << g).call(2))
+ assert_equal(5, (f >> g).call(2))
+ assert_predicate((f << g), :lambda?)
+ end
+
+ def test_compose_with_callable
+ f = proc {|x| x * 2}
+ c = Class.new {
+ def call(x) x + 1 end
+ }
+ g = c.new
+
+ assert_equal(6, (f << g).call(2))
+ assert_equal(5, (f >> g).call(2))
+ assert_predicate((f << g), :lambda?)
+ end
+
+ def test_compose_with_noncallable
+ f = proc {|x| x * 2}
+
+ assert_raise(TypeError) {
+ (f << 5).call(2)
+ }
+ assert_raise(TypeError) {
+ (f >> 5).call(2)
+ }
+ end
+
+ def test_orphan_return
+ assert_equal(42, Module.new { extend self
+ def m1(&b) b.call end; def m2(); m1 { return 42 } end }.m2)
+ assert_equal(42, Module.new { extend self
+ def m1(&b) b end; def m2(); m1 { return 42 }.call end }.m2)
+ assert_raise(LocalJumpError) { Module.new { extend self
+ def m1(&b) b end; def m2(); m1 { return 42 } end }.m2.call }
+ end
+
+ def test_orphan_break
+ assert_equal(42, Module.new { extend self
+ def m1(&b) b.call end; def m2(); m1 { break 42 } end }.m2 )
+ assert_raise(LocalJumpError) { Module.new { extend self
+ def m1(&b) b end; def m2(); m1 { break 42 }.call end }.m2 }
+ assert_raise(LocalJumpError) { Module.new { extend self
+ def m1(&b) b end; def m2(); m1 { break 42 } end }.m2.call }
+ end
+
+ def test_not_orphan_next
+ assert_equal(42, Module.new { extend self
+ def m1(&b) b.call end; def m2(); m1 { next 42 } end }.m2)
+ assert_equal(42, Module.new { extend self
+ def m1(&b) b end; def m2(); m1 { next 42 }.call end }.m2)
+ assert_equal(42, Module.new { extend self
+ def m1(&b) b end; def m2(); m1 { next 42 } end }.m2.call)
+ end
+
+ def test_isolate
+ assert_raise_with_message ArgumentError, /\(a\)/ do
+ a = :a
+ Proc.new{p a}.isolate
+ end
+
+ assert_raise_with_message ArgumentError, /\(a\)/ do
+ a = :a
+ 1.times{
+ Proc.new{p a}.isolate
+ }
+ end
+
+ assert_raise_with_message ArgumentError, /yield/ do
+ Proc.new{yield}.isolate
+ end
+
+
+ name = "\u{2603 26a1}"
+ assert_raise_with_message(ArgumentError, /\(#{name}\)/) do
+ eval("#{name} = :#{name}; Proc.new {p #{name}}").isolate
+ end
+
+ # binding
+
+ :a.tap{|a|
+ :b.tap{|b|
+ Proc.new{
+ :c.tap{|c|
+ assert_equal :c, eval('c')
+
+ assert_raise_with_message SyntaxError, /\`a\'/ do
+ eval('p a')
+ end
+
+ assert_raise_with_message SyntaxError, /\`b\'/ do
+ eval('p b')
+ end
+
+ assert_raise_with_message SyntaxError, /can not yield from isolated Proc/ do
+ eval('p yield')
+ end
+
+ assert_equal :c, binding.local_variable_get(:c)
+
+ assert_raise_with_message NameError, /local variable \`a\' is not defined/ do
+ binding.local_variable_get(:a)
+ end
+
+ assert_equal [:c], local_variables
+ assert_equal [:c], binding.local_variables
+ }
+ }.isolate.call
+ }
+ }
+ end if proc{}.respond_to? :isolate
+end
+
+class TestProcKeywords < Test::Unit::TestCase
+ def test_compose_keywords
+ f = ->(**kw) { kw.merge(:a=>1) }
+ g = ->(kw) { kw.merge(:a=>2) }
+
+ assert_equal(2, (f >> g).call(a: 3)[:a])
+ assert_raise(ArgumentError) { (f << g).call(a: 3)[:a] }
+ assert_equal(2, (f >> g).call(a: 3)[:a])
+ assert_raise(ArgumentError) { (f << g).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (f >> g).call({a: 3})[:a] }
+ assert_equal(2, (g << f).call(a: 3)[:a])
+ assert_raise(ArgumentError) { (g >> f).call(a: 3)[:a] }
+ assert_raise(ArgumentError) { (g << f).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (g >> f).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (f << g).call(**{})[:a] }
+ assert_equal(2, (f >> g).call(**{})[:a])
+ end
+
+ def test_compose_keywords_method
+ f = ->(**kw) { kw.merge(:a=>1) }.method(:call)
+ g = ->(kw) { kw.merge(:a=>2) }.method(:call)
+
+ assert_raise(ArgumentError) { (f << g).call(a: 3)[:a] }
+ assert_equal(2, (f >> g).call(a: 3)[:a])
+ assert_raise(ArgumentError) { (f << g).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (f >> g).call({a: 3})[:a] }
+ assert_equal(2, (g << f).call(a: 3)[:a])
+ assert_raise(ArgumentError) { (g >> f).call(a: 3)[:a] }
+ assert_raise(ArgumentError) { (g << f).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (g >> f).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (f << g).call(**{})[:a] }
+ assert_equal(2, (f >> g).call(**{})[:a])
+ end
+
+ def test_compose_keywords_non_proc
+ f = ->(**kw) { kw.merge(:a=>1) }
+ g = Object.new
+ def g.call(kw) kw.merge(:a=>2) end
+ def g.to_proc; method(:call).to_proc; end
+ def g.<<(f) to_proc << f end
+ def g.>>(f) to_proc >> f end
+
+ assert_raise(ArgumentError) { (f << g).call(a: 3)[:a] }
+ assert_equal(2, (f >> g).call(a: 3)[:a])
+ assert_raise(ArgumentError) { (f << g).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (f >> g).call({a: 3})[:a] }
+ assert_equal(2, (g << f).call(a: 3)[:a])
+ assert_raise(ArgumentError) { (g >> f).call(a: 3)[:a] }
+ assert_raise(ArgumentError) { (g << f).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (g >> f).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (f << g).call(**{})[:a] }
+ assert_equal(2, (f >> g).call(**{})[:a])
+
+ f = ->(kw) { kw.merge(:a=>1) }
+ g = Object.new
+ def g.call(**kw) kw.merge(:a=>2) end
+ def g.to_proc; method(:call).to_proc; end
+ def g.<<(f) to_proc << f end
+ def g.>>(f) to_proc >> f end
+
+ assert_equal(1, (f << g).call(a: 3)[:a])
+ assert_raise(ArgumentError) { (f >> g).call(a: 3)[:a] }
+ assert_raise(ArgumentError) { (f << g).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (f >> g).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (g << f).call(a: 3)[:a] }
+ assert_equal(1, (g >> f).call(a: 3)[:a])
+ assert_raise(ArgumentError) { (g << f).call({a: 3})[:a] }
+ assert_raise(ArgumentError) { (g >> f).call({a: 3})[:a] }
+ assert_equal(1, (f << g).call(**{})[:a])
+ assert_raise(ArgumentError) { (f >> g).call(**{})[:a] }
+ end
end
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