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-rw-r--r--test/ruby/test_assignment.rb163
1 files changed, 157 insertions, 6 deletions
diff --git a/test/ruby/test_assignment.rb b/test/ruby/test_assignment.rb
index e38b20b285..41e8bffe82 100644
--- a/test/ruby/test_assignment.rb
+++ b/test/ruby/test_assignment.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
require 'test/unit'
class TestAssignment < Test::Unit::TestCase
@@ -17,7 +18,9 @@ class TestAssignment < Test::Unit::TestCase
cc = 5
cc &&=44
assert_equal(44, cc)
+ end
+ def test_assign_simple
a = nil; assert_nil(a)
a = 1; assert_equal(1, a)
a = []; assert_equal([], a)
@@ -28,7 +31,9 @@ class TestAssignment < Test::Unit::TestCase
a = [*[]]; assert_equal([], a)
a = [*[1]]; assert_equal([1], a)
a = [*[1,2]]; assert_equal([1,2], a)
+ end
+ def test_assign_splat
a = *[]; assert_equal([], a)
a = *[1]; assert_equal([1], a)
a = *[nil]; assert_equal([nil], a)
@@ -37,7 +42,9 @@ class TestAssignment < Test::Unit::TestCase
a = *[*[]]; assert_equal([], a)
a = *[*[1]]; assert_equal([1], a)
a = *[*[1,2]]; assert_equal([1,2], a)
+ end
+ def test_assign_ary
*a = nil; assert_equal([nil], a)
*a = 1; assert_equal([1], a)
*a = []; assert_equal([], a)
@@ -48,7 +55,9 @@ class TestAssignment < Test::Unit::TestCase
*a = [*[]]; assert_equal([], a)
*a = [*[1]]; assert_equal([1], a)
*a = [*[1,2]]; assert_equal([1,2], a)
+ end
+ def test_assign_ary_splat
*a = *[]; assert_equal([], a)
*a = *[1]; assert_equal([1], a)
*a = *[nil]; assert_equal([nil], a)
@@ -57,7 +66,9 @@ class TestAssignment < Test::Unit::TestCase
*a = *[*[]]; assert_equal([], a)
*a = *[*[1]]; assert_equal([1], a)
*a = *[*[1,2]]; assert_equal([1,2], a)
+ end
+ def test_massign_simple
a,b,*c = nil; assert_equal([nil,nil,[]], [a,b,c])
a,b,*c = 1; assert_equal([1,nil,[]], [a,b,c])
a,b,*c = []; assert_equal([nil,nil,[]], [a,b,c])
@@ -68,7 +79,67 @@ class TestAssignment < Test::Unit::TestCase
a,b,*c = [*[]]; assert_equal([nil,nil,[]], [a,b,c])
a,b,*c = [*[1]]; assert_equal([1,nil,[]], [a,b,c])
a,b,*c = [*[1,2]]; assert_equal([1,2,[]], [a,b,c])
+ end
+ def test_massign_order
+ order = []
+ define_singleton_method(:x1){order << :x1; self}
+ define_singleton_method(:y1){order << :y1; self}
+ define_singleton_method(:z=){|x| order << [:z=, x]}
+ define_singleton_method(:x2){order << :x2; self}
+ define_singleton_method(:x3){order << :x3; self}
+ define_singleton_method(:x4){order << :x4; self}
+ define_singleton_method(:x5=){|x| order << [:x5=, x]; self}
+ define_singleton_method(:[]=){|*args| order << [:[]=, *args]}
+ define_singleton_method(:r1){order << :r1; :r1}
+ define_singleton_method(:r2){order << :r2; :r2}
+
+ x1.y1.z, x2[1, 2, 3], self[4] = r1, 6, r2
+ assert_equal([:x1, :y1, :x2, :r1, :r2, [:z=, :r1], [:[]=, 1, 2, 3, 6], [:[]=, 4, :r2]], order)
+ order.clear
+
+ x1.y1.z, *x2[1, 2, 3], self[4] = r1, 6, 7, r2
+ assert_equal([:x1, :y1, :x2, :r1, :r2, [:z=, :r1], [:[]=, 1, 2, 3, [6, 7]], [:[]=, 4, :r2]], order)
+ order.clear
+
+ x1.y1.z, *x2[1, 2, 3], x3[4] = r1, 6, 7, r2
+ assert_equal([:x1, :y1, :x2, :x3, :r1, :r2, [:z=, :r1], [:[]=, 1, 2, 3, [6, 7]], [:[]=, 4, :r2]], order)
+ order.clear
+
+ x1.y1.z, *x2[1, 2, 3], x3[4], x4.x5 = r1, 6, 7, r2, 8
+ assert_equal([:x1, :y1, :x2, :x3, :x4, :r1, :r2, [:z=, :r1], [:[]=, 1, 2, 3, [6, 7]], [:[]=, 4, :r2], [:x5=, 8]], order)
+ order.clear
+
+ (x1.y1.z, x2.x5), _a = [r1, r2], 7
+ assert_equal([:x1, :y1, :x2, :r1, :r2, [:z=, :r1], [:x5=, :r2]], order)
+ order.clear
+
+ (x1.y1.z, x1.x5), *x2[1, 2, 3] = [r1, 5], 6, 7, r2, 8
+ assert_equal([:x1, :y1, :x1, :x2, :r1, :r2, [:z=, :r1], [:x5=, 5], [:[]=, 1, 2, 3, [6, 7, :r2, 8]]], order)
+ order.clear
+
+ *x2[1, 2, 3], (x3[4], x4.x5) = 6, 7, [r2, 8]
+ assert_equal([:x2, :x3, :x4, :r2, [:[]=, 1, 2, 3, [6, 7]], [:[]=, 4, :r2], [:x5=, 8]], order)
+ order.clear
+
+ (x1.y1.z, x1.x5), *x2[1, 2, 3], x3[4], x4.x5 = [r1, 5], 6, 7, r2, 8
+ assert_equal([:x1, :y1, :x1, :x2, :x3, :x4, :r1, :r2, [:z=, :r1], [:x5=, 5], [:[]=, 1, 2, 3, [6, 7]], [:[]=, 4, :r2], [:x5=, 8]], order)
+ order.clear
+
+ (x1.y1.z, x1.x5), *x2[1, 2, 3], (x3[4], x4.x5) = [r1, 5], 6, 7, [r2, 8]
+ assert_equal([:x1, :y1, :x1, :x2, :x3, :x4, :r1, :r2, [:z=, :r1], [:x5=, 5], [:[]=, 1, 2, 3, [6, 7]], [:[]=, 4, :r2], [:x5=, 8]], order)
+ order.clear
+
+ ((x1.y1.z, x1.x5), _a), *x2[1, 2, 3], ((x3[4], x4.x5), _b) = [[r1, 5], 10], 6, 7, [[r2, 8], 11]
+ assert_equal([:x1, :y1, :x1, :x2, :x3, :x4, :r1, :r2, [:z=, :r1], [:x5=, 5], [:[]=, 1, 2, 3, [6, 7]], [:[]=, 4, :r2], [:x5=, 8]], order)
+ order.clear
+
+ ((x1.y1.z, *x1.x5), _a), *x2[1, 2, 3], ((*x3[4], x4.x5), _b) = [[r1, 5], 10], 6, 7, [[r2, 8], 11]
+ assert_equal([:x1, :y1, :x1, :x2, :x3, :x4, :r1, :r2, [:z=, :r1], [:x5=, [5]], [:[]=, 1, 2, 3, [6, 7]], [:[]=, 4, [:r2]], [:x5=, 8]], order)
+ order.clear
+ end
+
+ def test_massign_splat
a,b,*c = *[]; assert_equal([nil,nil,[]], [a,b,c])
a,b,*c = *[1]; assert_equal([1,nil,[]], [a,b,c])
a,b,*c = *[nil]; assert_equal([nil,nil,[]], [a,b,c])
@@ -77,7 +148,14 @@ class TestAssignment < Test::Unit::TestCase
a,b,*c = *[*[]]; assert_equal([nil,nil,[]], [a,b,c])
a,b,*c = *[*[1]]; assert_equal([1,nil,[]], [a,b,c])
a,b,*c = *[*[1,2]]; assert_equal([1,2,[]], [a,b,c])
+ end
+
+ def test_assign_rescue
+ a = raise rescue 2; assert_equal(2, a)
+ a, b = raise rescue [3,4]; assert_equal([3, 4], [a, b])
+ end
+ def test_assign_abbreviated
bug2050 = '[ruby-core:25629]'
a = Hash.new {[]}
b = [1, 2]
@@ -87,6 +165,47 @@ class TestAssignment < Test::Unit::TestCase
assert_equal([1, 2, 3, [1, 2, 3]], a[:x], bug2050)
end
+ def test_assign_private_self
+ bug11096 = '[ruby-core:68984] [Bug #11096]'
+
+ o = Object.new
+ class << o
+ private
+ def foo; 42; end
+ def [](i); 42; end
+ def foo=(a); 42; end
+ def []=(i, a); 42; end
+ end
+
+ assert_raise(NoMethodError, bug11096) {
+ o.instance_eval {o.foo = 1}
+ }
+ assert_nothing_raised(NoMethodError, bug11096) {
+ assert_equal(1, o.instance_eval {self.foo = 1})
+ }
+
+ assert_raise(NoMethodError, bug11096) {
+ o.instance_eval {o[0] = 1}
+ }
+ assert_nothing_raised(NoMethodError, bug11096) {
+ assert_equal(1, o.instance_eval {self[0] = 1})
+ }
+
+ assert_nothing_raised(NoMethodError, bug11096) {
+ o.instance_eval {self.foo += 1}
+ }
+ assert_nothing_raised(NoMethodError, bug11096) {
+ o.instance_eval {self.foo &&= 1}
+ }
+
+ assert_nothing_raised(NoMethodError, bug11096) {
+ o.instance_eval {self[0] += 1}
+ }
+ assert_nothing_raised(NoMethodError, bug11096) {
+ o.instance_eval {self[0] &&= 1}
+ }
+ end
+
def test_yield
def f; yield(nil); end; f {|a| assert_nil(a)}; undef f
def f; yield(1); end; f {|a| assert_equal(1, a)}; undef f
@@ -395,7 +514,7 @@ class TestAssignment < Test::Unit::TestCase
assert(defined?(a))
assert_nil(a)
- # multiple asignment
+ # multiple assignment
a, b = 1, 2
assert_equal 1, a
assert_equal 2, b
@@ -424,11 +543,10 @@ class TestAssignment < Test::Unit::TestCase
assert_equal 1, a
assert_equal [2, 3], b
- # not supported yet
- #a, *b, c = 1, 2, 3, 4
- #assert_equal 1, a
- #assert_equal [2,3], b
- #assert_equal 4, c
+ a, *b, c = 1, 2, 3, 4
+ assert_equal 1, a
+ assert_equal [2,3], b
+ assert_equal 4, c
a = 1, 2
assert_equal [1, 2], a
@@ -496,6 +614,11 @@ class TestAssignment < Test::Unit::TestCase
a, b = Base::A, Base::B
assert_equal [3,4], [a,b]
end
+
+ def test_massign_in_cond
+ result = eval("if (a, b = MyObj.new); [a, b]; end", nil, __FILE__, __LINE__)
+ assert_equal [[1,2],[3,4]], result
+ end
end
require_relative 'sentence'
@@ -692,4 +815,32 @@ class TestAssignmentGen < Test::Unit::TestCase
check(assign)
}
end
+
+ def test_optimized_aset
+ bug9448 = Class.new do
+ def []=(key, new_value)
+ '[ruby-core:60071] [Bug #9448]'
+ end
+ end
+ o = bug9448.new
+ assert_equal("ok", o['current'] = "ok")
+ end
+
+ def test_massign_aref_lhs_splat
+ bug11970 = '[ruby-core:72777] [Bug #11970]'
+ h = {}
+ k = [:key]
+ h[*k], = ["ok", "ng"]
+ assert_equal("ok", h[:key], bug11970)
+ end
+
+ def test_chainged_assign_command
+ all_assertions do |a|
+ asgn = %w'= +='
+ asgn.product(asgn) do |a1, a2|
+ stmt = "a #{a1} b #{a2} raise 'x'"
+ a.for(stmt) {assert_valid_syntax(stmt)}
+ end
+ end
+ end
end
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-07 15:09:31 +0000