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Diffstat (limited to 'spec/ruby/core/env/reject_spec.rb')
-rw-r--r-- | spec/ruby/core/env/reject_spec.rb | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/spec/ruby/core/env/reject_spec.rb b/spec/ruby/core/env/reject_spec.rb new file mode 100644 index 0000000000..0da84425b6 --- /dev/null +++ b/spec/ruby/core/env/reject_spec.rb @@ -0,0 +1,77 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../../enumerable/shared/enumeratorized', __FILE__) + +describe "ENV.reject!" do + it "rejects entries based on key" do + ENV["foo"] = "bar" + ENV.reject! { |k, v| k == "foo" } + ENV["foo"].should == nil + end + + it "rejects entries based on value" do + ENV["foo"] = "bar" + ENV.reject! { |k, v| v == "bar" } + ENV["foo"].should == nil + end + + it "returns itself or nil" do + ENV.reject! { false }.should == nil + ENV["foo"] = "bar" + ENV.reject! { |k, v| k == "foo" }.should == ENV + ENV["foo"].should == nil + end + + it "returns an Enumerator if called without a block" do + ENV.reject!.should be_an_instance_of(Enumerator) + end + + it "doesn't raise if empty" do + orig = ENV.to_hash + begin + ENV.clear + lambda { ENV.reject! }.should_not raise_error(LocalJumpError) + ensure + ENV.replace orig + end + end + + it_behaves_like :enumeratorized_with_origin_size, :reject!, ENV +end + +describe "ENV.reject" do + it "rejects entries based on key" do + ENV["foo"] = "bar" + e = ENV.reject { |k, v| k == "foo" } + e["foo"].should == nil + ENV["foo"].should == "bar" + ENV["foo"] = nil + end + + it "rejects entries based on value" do + ENV["foo"] = "bar" + e = ENV.reject { |k, v| v == "bar" } + e["foo"].should == nil + ENV["foo"].should == "bar" + ENV["foo"] = nil + end + + it "returns a Hash" do + ENV.reject { false }.should be_kind_of(Hash) + end + + it "returns an Enumerator if called without a block" do + ENV.reject.should be_an_instance_of(Enumerator) + end + + it "doesn't raise if empty" do + orig = ENV.to_hash + begin + ENV.clear + lambda { ENV.reject }.should_not raise_error(LocalJumpError) + ensure + ENV.replace orig + end + end + + it_behaves_like :enumeratorized_with_origin_size, :reject, ENV +end |