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-rw-r--r--test/ruby/test_lambda.rb289
1 files changed, 4 insertions, 285 deletions
diff --git a/test/ruby/test_lambda.rb b/test/ruby/test_lambda.rb
index 9949fab8c7..ae12c6d609 100644
--- a/test/ruby/test_lambda.rb
+++ b/test/ruby/test_lambda.rb
@@ -1,4 +1,3 @@
-# frozen_string_literal: false
require 'test/unit'
class TestLambdaParameters < Test::Unit::TestCase
@@ -26,15 +25,8 @@ class TestLambdaParameters < Test::Unit::TestCase
def test_lambda_as_iterator
a = 0
2.times(&->(_){ a += 1 })
- assert_equal(2, a)
+ assert_equal(a, 2)
assert_raise(ArgumentError) {1.times(&->(){ a += 1 })}
- bug9605 = '[ruby-core:61468] [Bug #9605]'
- assert_nothing_raised(ArgumentError, bug9605) {1.times(&->(n){ a += 1 })}
- assert_equal(3, a, bug9605)
- assert_nothing_raised(ArgumentError, bug9605) {
- a = %w(Hi there how are you).each_with_index.detect(&->(w, i) {w.length == 3})
- }
- assert_equal(["how", 2], a, bug9605)
end
def test_call_rest_args
@@ -63,177 +55,9 @@ class TestLambdaParameters < Test::Unit::TestCase
assert_equal(nil, ->(&b){ b }.call)
foo { puts "bogus block " }
assert_equal(1, ->(&b){ b.call }.call { 1 })
- _b = nil
- assert_equal(1, ->(&_b){ _b.call }.call { 1 })
- assert_nil(_b)
- end
-
- def test_call_block_from_lambda
- bug9605 = '[ruby-core:61470] [Bug #9605]'
- plus = ->(x,y) {x+y}
- assert_raise(ArgumentError, bug9605) {proc(&plus).call [1,2]}
- end
-
- def test_proc_inside_lambda_inside_method_return_inside_lambda_inside_method
- def self.a
- -> do
- p = Proc.new{return :a}
- p.call
- end.call
- end
- assert_equal(:a, a)
-
- def self.b
- lambda do
- p = Proc.new{return :b}
- p.call
- end.call
- end
- assert_equal(:b, b)
- end
-
- def test_proc_inside_lambda_inside_method_return_inside_lambda_outside_method
- def self.a
- -> do
- p = Proc.new{return :a}
- p.call
- end
- end
- assert_equal(:a, a.call)
-
- def self.b
- lambda do
- p = Proc.new{return :b}
- p.call
- end
- end
- assert_equal(:b, b.call)
- end
-
- def test_proc_inside_lambda_inside_method_return_outside_lambda_inside_method
- def self.a
- -> do
- Proc.new{return :a}
- end.call.call
- end
- assert_raise(LocalJumpError) {a}
-
- def self.b
- lambda do
- Proc.new{return :b}
- end.call.call
- end
- assert_raise(LocalJumpError) {b}
- end
-
- def test_proc_inside_lambda_inside_method_return_outside_lambda_outside_method
- def self.a
- -> do
- Proc.new{return :a}
- end
- end
- assert_raise(LocalJumpError) {a.call.call}
-
- def self.b
- lambda do
- Proc.new{return :b}
- end
- end
- assert_raise(LocalJumpError) {b.call.call}
- end
-
- def test_proc_inside_lambda2_inside_method_return_outside_lambda1_inside_method
- def self.a
- -> do
- -> do
- Proc.new{return :a}
- end.call.call
- end.call
- end
- assert_raise(LocalJumpError) {a}
-
- def self.b
- lambda do
- lambda do
- Proc.new{return :a}
- end.call.call
- end.call
- end
- assert_raise(LocalJumpError) {b}
- end
-
- def test_proc_inside_lambda_toplevel
- assert_separately [], <<~RUBY
- lambda{
- $g = proc{ return :pr }
- }.call
- begin
- $g.call
- rescue LocalJumpError
- # OK!
- else
- raise
- end
- RUBY
- end
-
- def pass_along(&block)
- lambda(&block)
- end
-
- def pass_along2(&block)
- pass_along(&block)
- end
-
- def test_create_non_lambda_for_proc_one_level
- prev_warning, Warning[:deprecated] = Warning[:deprecated], false
- f = pass_along {}
- refute_predicate(f, :lambda?, '[Bug #15620]')
- assert_nothing_raised(ArgumentError) { f.call(:extra_arg) }
- ensure
- Warning[:deprecated] = prev_warning
- end
-
- def test_create_non_lambda_for_proc_two_levels
- prev_warning, Warning[:deprecated] = Warning[:deprecated], false
- f = pass_along2 {}
- refute_predicate(f, :lambda?, '[Bug #15620]')
- assert_nothing_raised(ArgumentError) { f.call(:extra_arg) }
- ensure
- Warning[:deprecated] = prev_warning
- end
-
- def test_instance_exec
- bug12568 = '[ruby-core:76300] [Bug #12568]'
- assert_nothing_raised(ArgumentError, bug12568) do
- instance_exec([1,2,3], &->(a=[]){ a })
- end
- end
-
- def test_instance_eval_return
- bug13090 = '[ruby-core:78917] [Bug #13090] cannot return in lambdas'
- x = :ng
- assert_nothing_raised(LocalJumpError) do
- x = instance_eval(&->(_){return :ok})
- end
- ensure
- assert_equal(:ok, x, bug13090)
- end
-
- def test_instance_exec_return
- bug13090 = '[ruby-core:78917] [Bug #13090] cannot return in lambdas'
- x = :ng
- assert_nothing_raised(LocalJumpError) do
- x = instance_exec(&->(){return :ok})
- end
- ensure
- assert_equal(:ok, x, bug13090)
- end
-
- def test_arity_error
- assert_raise(ArgumentError, '[Bug #12705]') do
- [1, 2].tap(&lambda {|a, b|})
- end
+ b = nil
+ assert_equal(1, ->(&b){ b.call }.call { 1 })
+ assert_nil(b)
end
def foo
@@ -246,109 +70,4 @@ class TestLambdaParameters < Test::Unit::TestCase
BasicObject.new.instance_eval {->() {called = true}.()}
assert_equal(true, called, bug5966)
end
-
- def test_location_on_error
- bug6151 = '[ruby-core:43314]'
- called = 0
- line, f = __LINE__, lambda do
- called += 1
- true
- end
- e = assert_raise(ArgumentError) do
- f.call(42)
- end
- assert_send([e.backtrace.first, :start_with?, "#{__FILE__}:#{line}:"], bug6151)
- assert_equal(0, called)
- e = assert_raise(ArgumentError) do
- 42.times(&f)
- end
- assert_send([e.backtrace.first, :start_with?, "#{__FILE__}:#{line}:"], bug6151)
- assert_equal(0, called)
- end
-
- def return_in_current(val)
- 1.tap(&->(*) {return 0})
- val
- end
-
- def yield_block
- yield
- end
-
- def return_in_callee(val)
- yield_block(&->(*) {return 0})
- val
- end
-
- def test_return
- feature8693 = '[ruby-core:56193] [Feature #8693]'
- assert_equal(42, return_in_current(42), feature8693)
- assert_equal(42, return_in_callee(42), feature8693)
- end
-
- def break_in_current(val)
- 1.tap(&->(*) {break 0})
- val
- end
-
- def break_in_callee(val)
- yield_block(&->(*) {break 0})
- val
- end
-
- def test_break
- assert_equal(42, break_in_current(42))
- assert_equal(42, break_in_callee(42))
- end
-
- def test_do_lambda_source_location
- exp_lineno = __LINE__ + 3
- lmd = ->(x,
- y,
- z) do
- #
- end
- file, lineno = lmd.source_location
- assert_match(/^#{ Regexp.quote(__FILE__) }$/, file)
- assert_equal(exp_lineno, lineno, "must be at the beginning of the block")
- end
-
- def test_brace_lambda_source_location
- exp_lineno = __LINE__ + 3
- lmd = ->(x,
- y,
- z) {
- #
- }
- file, lineno = lmd.source_location
- assert_match(/^#{ Regexp.quote(__FILE__) }$/, file)
- assert_equal(exp_lineno, lineno, "must be at the beginning of the block")
- end
-
- def test_not_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_equal(42, Module.new { extend self
- def m1(&b) b end; def m2(); m1(&-> { return 42 }) end }.m2.call)
- end
-
- def test_not_orphan_break
- assert_equal(42, Module.new { extend self
- def m1(&b) b.call end; def m2(); m1(&-> { break 42 }) end }.m2)
- assert_equal(42, Module.new { extend self
- def m1(&b) b end; def m2(); m1(&-> { break 42 }).call end }.m2)
- assert_equal(42, 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
end