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-rw-r--r--test/ruby/test_basicinstructions.rb65
1 files changed, 46 insertions, 19 deletions
diff --git a/test/ruby/test_basicinstructions.rb b/test/ruby/test_basicinstructions.rb
index 6ac93e037a..90b034a90b 100644
--- a/test/ruby/test_basicinstructions.rb
+++ b/test/ruby/test_basicinstructions.rb
@@ -499,52 +499,79 @@ class TestBasicInstructions < Test::Unit::TestCase
end
class OP
- attr_accessor :x
+ attr_reader :x
+ def x=(x)
+ @x = x
+ :Bug1996
+ end
+ Bug1996 = '[ruby-dev:39163], [ruby-core:25143]'
end
- def test_opassign
+ def test_opassign2_1
x = nil
- x ||= 1
+ assert_equal 1, x ||= 1
assert_equal 1, x
- x &&= 2
+ assert_equal 2, x &&= 2
assert_equal 2, x
- x ||= 3
+ assert_equal 2, x ||= 3
assert_equal 2, x
- x &&= 4
+ assert_equal 4, x &&= 4
+ assert_equal 4, x
+ assert_equal 5, x += 1
+ assert_equal 5, x
+ assert_equal 4, x -= 1
assert_equal 4, x
+ end
+ def test_opassign2_2
y = OP.new
y.x = nil
- y.x ||= 1
+ assert_equal 1, y.x ||= 1, OP::Bug1996
assert_equal 1, y.x
- y.x &&= 2
+ assert_equal 2, y.x &&= 2, OP::Bug1996
assert_equal 2, y.x
- y.x ||= 3
+ assert_equal 2, y.x ||= 3
assert_equal 2, y.x
- y.x &&= 4
+ assert_equal 4, y.x &&= 4, OP::Bug1996
+ assert_equal 4, y.x
+ assert_equal 5, y.x += 1, OP::Bug1996
+ assert_equal 5, y.x
+ assert_equal 4, y.x -= 1, OP::Bug1996
assert_equal 4, y.x
+ end
+ def test_opassign2_3
z = OP.new
- z.x = y
+ z.x = OP.new
z.x.x = nil
- z.x.x ||= 1
+ assert_equal 1, z.x.x ||= 1, OP::Bug1996
assert_equal 1, z.x.x
- z.x.x &&= 2
+ assert_equal 2, z.x.x &&= 2, OP::Bug1996
assert_equal 2, z.x.x
- z.x.x ||= 3
+ assert_equal 2, z.x.x ||= 3
assert_equal 2, z.x.x
- z.x.x &&= 4
+ assert_equal 4, z.x.x &&= 4, OP::Bug1996
+ assert_equal 4, z.x.x
+ assert_equal 5, z.x.x += 1, OP::Bug1996
+ assert_equal 5, z.x.x
+ assert_equal 4, z.x.x -= 1, OP::Bug1996
assert_equal 4, z.x.x
+ end
+ def test_opassign1_1
a = []
a[0] = nil
- a[0] ||= 1
+ assert_equal 1, a[0] ||= 1
assert_equal 1, a[0]
- a[0] &&= 2
+ assert_equal 2, a[0] &&= 2
assert_equal 2, a[0]
- a[0] ||= 3
+ assert_equal 2, a[0] ||= 3
assert_equal 2, a[0]
- a[0] &&= 4
+ assert_equal 4, a[0] &&= 4
+ assert_equal 4, a[0]
+ assert_equal 5, a[0] += 1
+ assert_equal 5, a[0]
+ assert_equal 4, a[0] -= 1
assert_equal 4, a[0]
end