diff options
Diffstat (limited to 'spec/ruby/language/case_spec.rb')
-rw-r--r-- | spec/ruby/language/case_spec.rb | 95 |
1 files changed, 52 insertions, 43 deletions
diff --git a/spec/ruby/language/case_spec.rb b/spec/ruby/language/case_spec.rb index 58e1aaed96..1a3925c9c6 100644 --- a/spec/ruby/language/case_spec.rb +++ b/spec/ruby/language/case_spec.rb @@ -329,49 +329,6 @@ describe "The 'case'-construct" do 100 end.should == 100 end -end - -describe "The 'case'-construct with no target expression" do - it "evaluates the body of the first clause when at least one of its condition expressions is true" do - case - when true, false; 'foo' - end.should == 'foo' - end - - it "evaluates the body of the first when clause that is not false/nil" do - case - when false; 'foo' - when 2; 'bar' - when 1 == 1; 'baz' - end.should == 'bar' - - case - when false; 'foo' - when nil; 'foo' - when 1 == 1; 'bar' - end.should == 'bar' - end - - it "evaluates the body of the else clause if all when clauses are false/nil" do - case - when false; 'foo' - when nil; 'foo' - when 1 == 2; 'bar' - else 'baz' - end.should == 'baz' - end - - it "evaluates multiple conditional expressions as a boolean disjunction" do - case - when true, false; 'foo' - else 'bar' - end.should == 'foo' - - case - when false, true; 'foo' - else 'bar' - end.should == 'foo' - end it "evaluates true as only 'true' when true is the first clause" do case 1 @@ -442,6 +399,49 @@ describe "The 'case'-construct with no target expression" do :called end.should == :called end +end + +describe "The 'case'-construct with no target expression" do + it "evaluates the body of the first clause when at least one of its condition expressions is true" do + case + when true, false; 'foo' + end.should == 'foo' + end + + it "evaluates the body of the first when clause that is not false/nil" do + case + when false; 'foo' + when 2; 'bar' + when 1 == 1; 'baz' + end.should == 'bar' + + case + when false; 'foo' + when nil; 'foo' + when 1 == 1; 'bar' + end.should == 'bar' + end + + it "evaluates the body of the else clause if all when clauses are false/nil" do + case + when false; 'foo' + when nil; 'foo' + when 1 == 2; 'bar' + else 'baz' + end.should == 'baz' + end + + it "evaluates multiple conditional expressions as a boolean disjunction" do + case + when true, false; 'foo' + else 'bar' + end.should == 'foo' + + case + when false, true; 'foo' + else 'bar' + end.should == 'foo' + end # Homogeneous cases are often optimized to avoid === using a jump table, and should be tested separately. # See https://github.com/jruby/jruby/issues/6440 @@ -451,4 +451,13 @@ describe "The 'case'-construct with no target expression" do when 2; 'bar' end.should == 'foo' end + + it "expands arrays to lists of values" do + case + when *[false] + "foo" + when *[true] + "bar" + end.should == "bar" + end end |