diff options
Diffstat (limited to 'spec/mspec/spec/matchers/be_nil_spec.rb')
-rw-r--r-- | spec/mspec/spec/matchers/be_nil_spec.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/spec/mspec/spec/matchers/be_nil_spec.rb b/spec/mspec/spec/matchers/be_nil_spec.rb new file mode 100644 index 0000000000..6551feb5de --- /dev/null +++ b/spec/mspec/spec/matchers/be_nil_spec.rb @@ -0,0 +1,27 @@ +require 'spec_helper' +require 'mspec/expectations/expectations' +require 'mspec/matchers' + +describe BeNilMatcher do + it "matches when actual is nil" do + BeNilMatcher.new.matches?(nil).should == true + end + + it "does not match when actual is not nil" do + BeNilMatcher.new.matches?("").should == false + BeNilMatcher.new.matches?(false).should == false + BeNilMatcher.new.matches?(0).should == false + end + + it "provides a useful failure message" do + matcher = BeNilMatcher.new + matcher.matches?("some string") + matcher.failure_message.should == ["Expected \"some string\"", "to be nil"] + end + + it "provides a useful negative failure message" do + matcher = BeNilMatcher.new + matcher.matches?(nil) + matcher.negative_failure_message.should == ["Expected nil", "not to be nil"] + end +end |