diff options
Diffstat (limited to 'spec/ruby/core/kernel/caller_spec.rb')
-rw-r--r-- | spec/ruby/core/kernel/caller_spec.rb | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/spec/ruby/core/kernel/caller_spec.rb b/spec/ruby/core/kernel/caller_spec.rb index f1ff7044b8..33c7929a31 100644 --- a/spec/ruby/core/kernel/caller_spec.rb +++ b/spec/ruby/core/kernel/caller_spec.rb @@ -38,22 +38,49 @@ describe 'Kernel#caller' do it "returns an Array with the block given to #at_exit at the base of the stack" do path = fixture(__FILE__, "caller_at_exit.rb") lines = ruby_exe(path).lines - lines.should == [ - "#{path}:6:in `foo'\n", - "#{path}:2:in `block in <main>'\n" - ] + lines.size.should == 2 + lines[0].should =~ /\A#{path}:6:in [`'](?:Object#)?foo'\n\z/ + lines[1].should =~ /\A#{path}:2:in [`']block in <main>'\n\z/ + end + + it "can be called with a range" do + locations1 = caller(0) + locations2 = caller(2..4) + locations1[2..4].should == locations2 end it "works with endless ranges" do locations1 = KernelSpecs::CallerTest.locations(0) locations2 = KernelSpecs::CallerTest.locations(eval("(2..)")) - locations2.map(&:to_s).should == locations1[2..-1].map(&:to_s) + locations2.should == locations1[2..-1] end it "works with beginless ranges" do locations1 = KernelSpecs::CallerTest.locations(0) locations2 = KernelSpecs::CallerTest.locations((..5)) - locations2.map(&:to_s)[eval("(2..)")].should == locations1[(..5)].map(&:to_s)[eval("(2..)")] + locations2[eval("(2..)")].should == locations1[(..5)][eval("(2..)")] + end + + it "can be called with a range whose end is negative" do + locations1 = caller(0) + locations2 = caller(2..-1) + locations3 = caller(2..-2) + locations1[2..-1].should == locations2 + locations1[2..-2].should == locations3 + end + + it "must return nil if omitting more locations than available" do + caller(100).should == nil + caller(100..-1).should == nil + end + + it "must return [] if omitting exactly the number of locations available" do + omit = caller(0).length + caller(omit).should == [] + end + + it "must return the same locations when called with 1..-1 and when called with no arguments" do + caller.should == caller(1..-1) end guard -> { Kernel.instance_method(:tap).source_location } do @@ -63,8 +90,7 @@ describe 'Kernel#caller' do loc = nil tap { loc = caller(1, 1)[0] } - loc.should.end_with? "in `tap'" - loc.should.start_with? "<internal:" + loc.should =~ /\A<internal:.*in [`'](?:Kernel#)?tap'\z/ end end end |