diff options
Diffstat (limited to 'test/ruby/test_env.rb')
| -rw-r--r-- | test/ruby/test_env.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/ruby/test_env.rb b/test/ruby/test_env.rb index ffed94efa6..699f7db084 100644 --- a/test/ruby/test_env.rb +++ b/test/ruby/test_env.rb @@ -222,6 +222,18 @@ class TestEnv < Test::Unit::TestCase assert_nil(ENV.select! {|k, v| IGNORE_CASE ? k.upcase != "TEST" : k != "test" }) end + def test_filter_bang + h1 = {} + ENV.each_pair {|k, v| h1[k] = v } + ENV["test"] = "foo" + ENV.filter! {|k, v| IGNORE_CASE ? k.upcase != "TEST" : k != "test" } + h2 = {} + ENV.each_pair {|k, v| h2[k] = v } + assert_equal(h1, h2) + + assert_nil(ENV.filter! {|k, v| IGNORE_CASE ? k.upcase != "TEST" : k != "test" }) + end + def test_keep_if h1 = {} ENV.each_pair {|k, v| h1[k] = v } @@ -254,6 +266,21 @@ class TestEnv < Test::Unit::TestCase end end + def test_filter + ENV["test"] = "foo" + h = ENV.filter {|k| IGNORE_CASE ? k.upcase == "TEST" : k == "test" } + assert_equal(1, h.size) + k = h.keys.first + v = h.values.first + if IGNORE_CASE + assert_equal("TEST", k.upcase) + assert_equal("FOO", v.upcase) + else + assert_equal("test", k) + assert_equal("foo", v) + end + end + def test_clear ENV.clear assert_equal(0, ENV.size) |