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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-08-13 12:17:57 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-08-13 12:17:57 +0000 |
commit | 5129155a253293e96cacb83da0803aa1130e815e (patch) | |
tree | 53a73034b9f15bdcdd3118ea6d1e063d1d0b6ae4 /test/ruby | |
parent | 979d413fab7bd257334ba4580f0845c2b390c724 (diff) | |
download | ruby-5129155a253293e96cacb83da0803aa1130e815e.tar.gz |
test_parse.rb: for warnings
* test/ruby/test_parse.rb (TestParse): add tests for parser warnings.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47170 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby')
-rw-r--r-- | test/ruby/test_parse.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb index 008dbbcd92..c8f47d6224 100644 --- a/test/ruby/test_parse.rb +++ b/test/ruby/test_parse.rb @@ -851,4 +851,18 @@ x = __ENCODING__ actual = e.backtrace.first[/\A#{Regexp.quote(__FILE__)}:(\d+):/o, 1].to_i assert_equal(expected, actual, bug5614) end + + def test_shadowing_variable + assert_warning(/shadowing outer local variable/) {eval("a=1; tap {|a|}")} + end + + def test_unused_variable + o = Object.new + assert_warning(/assigned but unused variable/) {o.instance_eval("def foo; a=1; nil; end")} + end + + def test_named_capture_conflict + a = 1 + assert_warning(/named capture conflict/) {eval("a = 1; /(?<a>)/ =~ ''")} + end end |