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1d3c07633c
* test_call.rb (test_safe_call): Add test cases for safe navigation operator assignment. [Fix GH-1064] Validate: * can assign an attribute which is `nil` * can "or assign" an attribute which is `nil` git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
55 lines
1.2 KiB
Ruby
55 lines
1.2 KiB
Ruby
require 'test/unit'
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class TestCall < Test::Unit::TestCase
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def aaa(a, b=100, *rest)
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res = [a, b]
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res += rest if rest
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return res
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end
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def test_call
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assert_raise(ArgumentError) {aaa()}
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assert_raise(ArgumentError) {aaa}
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assert_equal([1, 100], aaa(1))
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assert_equal([1, 2], aaa(1, 2))
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assert_equal([1, 2, 3, 4], aaa(1, 2, 3, 4))
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assert_equal([1, 2, 3, 4], aaa(1, *[2, 3, 4]))
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end
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def test_callinfo
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bug9622 = '[ruby-core:61422] [Bug #9622]'
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o = Class.new do
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def foo(*args)
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bar(:foo, *args)
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end
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def bar(name)
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name
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end
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end.new
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e = assert_raise(ArgumentError) {o.foo(100)}
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assert_nothing_raised(ArgumentError) {o.foo}
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assert_raise_with_message(ArgumentError, e.message, bug9622) {o.foo(100)}
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end
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def test_safe_call
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s = Struct.new(:x, :y, :z)
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o = s.new("x")
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assert_equal("X", o.x.?upcase)
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assert_nil(o.y.?upcase)
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assert_equal("x", o.x)
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o.?x = 6
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assert_equal(6, o.x)
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o.?x *= 7
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assert_equal(42, o.x)
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o.?y = 5
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assert_equal(5, o.y)
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o.?z ||= 6
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assert_equal(6, o.z)
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o = nil
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assert_nil(o.?x)
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assert_nothing_raised(NoMethodError) {o.?x = 6}
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assert_nothing_raised(NoMethodError) {o.?x *= 7}
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end
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end
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