diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_syntax.rb | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb index 81737d5103..d426f835ae 100644 --- a/test/ruby/test_syntax.rb +++ b/test/ruby/test_syntax.rb @@ -401,21 +401,30 @@ WARN def test_duplicated_arg assert_syntax_error("def foo(a, a) end", /duplicated argument name/) assert_valid_syntax("def foo(_, _) end") + (obj = Object.new).instance_eval("def foo(_, x, _) x end") + assert_equal(2, obj.foo(1, 2, 3)) end def test_duplicated_rest assert_syntax_error("def foo(a, *a) end", /duplicated argument name/) assert_valid_syntax("def foo(_, *_) end") + (obj = Object.new).instance_eval("def foo(_, x, *_) x end") + assert_equal(2, obj.foo(1, 2, 3)) end def test_duplicated_opt assert_syntax_error("def foo(a, a=1) end", /duplicated argument name/) assert_valid_syntax("def foo(_, _=1) end") + (obj = Object.new).instance_eval("def foo(_, x, _=42) x end") + assert_equal(2, obj.foo(1, 2)) end def test_duplicated_opt_rest assert_syntax_error("def foo(a=1, *a) end", /duplicated argument name/) assert_valid_syntax("def foo(_=1, *_) end") + (obj = Object.new).instance_eval("def foo(_, x=42, *_) x end") + assert_equal(42, obj.foo(1)) + assert_equal(2, obj.foo(1, 2)) end def test_duplicated_rest_opt @@ -424,41 +433,80 @@ WARN def test_duplicated_rest_post assert_syntax_error("def foo(*a, a) end", /duplicated argument name/) + assert_valid_syntax("def foo(*_, _) end") + (obj = Object.new).instance_eval("def foo(*_, x, _) x end") + assert_equal(2, obj.foo(1, 2, 3)) + assert_equal(2, obj.foo(2, 3)) + (obj = Object.new).instance_eval("def foo(*_, _, x) x end") + assert_equal(3, obj.foo(1, 2, 3)) + assert_equal(3, obj.foo(2, 3)) end def test_duplicated_opt_post assert_syntax_error("def foo(a=1, a) end", /duplicated argument name/) assert_valid_syntax("def foo(_=1, _) end") + (obj = Object.new).instance_eval("def foo(_=1, x, _) x end") + assert_equal(2, obj.foo(1, 2, 3)) + assert_equal(2, obj.foo(2, 3)) + (obj = Object.new).instance_eval("def foo(_=1, _, x) x end") + assert_equal(3, obj.foo(1, 2, 3)) + assert_equal(3, obj.foo(2, 3)) end def test_duplicated_kw assert_syntax_error("def foo(a, a: 1) end", /duplicated argument name/) assert_valid_syntax("def foo(_, _: 1) end") + (obj = Object.new).instance_eval("def foo(_, x, _: 1) x end") + assert_equal(3, obj.foo(2, 3)) + assert_equal(3, obj.foo(2, 3, _: 42)) + (obj = Object.new).instance_eval("def foo(x, _, _: 1) x end") + assert_equal(2, obj.foo(2, 3)) + assert_equal(2, obj.foo(2, 3, _: 42)) end def test_duplicated_rest_kw assert_syntax_error("def foo(*a, a: 1) end", /duplicated argument name/) assert_nothing_raised {def foo(*_, _: 1) end} + (obj = Object.new).instance_eval("def foo(*_, x: 42, _: 1) x end") + assert_equal(42, obj.foo(42)) + assert_equal(42, obj.foo(2, _: 0)) + assert_equal(2, obj.foo(x: 2, _: 0)) end def test_duplicated_opt_kw assert_syntax_error("def foo(a=1, a: 1) end", /duplicated argument name/) assert_valid_syntax("def foo(_=1, _: 1) end") + (obj = Object.new).instance_eval("def foo(_=42, x, _: 1) x end") + assert_equal(0, obj.foo(0)) + assert_equal(0, obj.foo(0, _: 3)) end def test_duplicated_kw_kwrest assert_syntax_error("def foo(a: 1, **a) end", /duplicated argument name/) assert_valid_syntax("def foo(_: 1, **_) end") + (obj = Object.new).instance_eval("def foo(_: 1, x: 42, **_) x end") + assert_equal(42, obj.foo()) + assert_equal(42, obj.foo(a: 0)) + assert_equal(42, obj.foo(_: 0, a: 0)) + assert_equal(1, obj.foo(_: 0, x: 1, a: 0)) end def test_duplicated_rest_kwrest assert_syntax_error("def foo(*a, **a) end", /duplicated argument name/) assert_valid_syntax("def foo(*_, **_) end") + (obj = Object.new).instance_eval("def foo(*_, x, **_) x end") + assert_equal(1, obj.foo(1)) + assert_equal(1, obj.foo(1, a: 0)) + assert_equal(2, obj.foo(1, 2, a: 0)) end def test_duplicated_opt_kwrest assert_syntax_error("def foo(a=1, **a) end", /duplicated argument name/) assert_valid_syntax("def foo(_=1, **_) end") + (obj = Object.new).instance_eval("def foo(_=42, x, **_) x end") + assert_equal(1, obj.foo(1)) + assert_equal(1, obj.foo(1, a: 0)) + assert_equal(1, obj.foo(0, 1, a: 0)) end def test_duplicated_when |