diff options
author | mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-06-03 05:10:41 +0000 |
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committer | mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-06-03 05:10:41 +0000 |
commit | cd0fec37281a72d402981894b764d27ab7d1fb39 (patch) | |
tree | 7798f0f28cbf31b54fd44887585c878c35277a76 /spec | |
parent | 25d1891899be492dc64bb6852741d4f112feba64 (diff) |
Add TracePoint#parameters
It can be used to get the parameters' information of method and block.
There was no way to get block parameters.
It was possible but ineffective to get method parameters via Method
object: `tp.defined_class.method(tp.method_id).parameters`
TracePoint#parameters allows us to get the information easily.
[Feature #14694]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63562 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec')
-rw-r--r-- | spec/ruby/core/tracepoint/parameters_spec.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/spec/ruby/core/tracepoint/parameters_spec.rb b/spec/ruby/core/tracepoint/parameters_spec.rb new file mode 100644 index 0000000000..4728b0a448 --- /dev/null +++ b/spec/ruby/core/tracepoint/parameters_spec.rb @@ -0,0 +1,21 @@ +require_relative '../../spec_helper' + +describe 'TracePoint#parameters' do + it 'returns the parameters of block' do + f = proc {|x, y, z| } + parameters = nil + TracePoint.new(:b_call) {|tp| parameters = tp.parameters }.enable do + f.call + parameters.should == [[:opt, :x], [:opt, :y], [:opt, :z]] + end + end + + it 'returns the parameters of lambda block' do + f = lambda {|x, y, z| } + parameters = nil + TracePoint.new(:b_call) {|tp| parameters = tp.parameters }.enable do + f.call(1, 2, 3) + parameters.should == [[:req, :x], [:req, :y], [:req, :z]] + end + end +end |