diff options
author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
commit | 95e8c48dd3348503a8c7db5d0498894a1b676395 (patch) | |
tree | 9eef7f720314ebaff56845a74e203770e62284e4 /spec/rubyspec/core/module/instance_method_spec.rb | |
parent | ed7d803500de38186c74bce94d233e85ef51e503 (diff) |
Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
These files can therefore be updated like any other file in MRI.
Instructions are provided in spec/README.
[Feature #13156] [ruby-core:79246]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/rubyspec/core/module/instance_method_spec.rb')
-rw-r--r-- | spec/rubyspec/core/module/instance_method_spec.rb | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/spec/rubyspec/core/module/instance_method_spec.rb b/spec/rubyspec/core/module/instance_method_spec.rb new file mode 100644 index 0000000000..82e397b4bc --- /dev/null +++ b/spec/rubyspec/core/module/instance_method_spec.rb @@ -0,0 +1,85 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Module#instance_method" do + before :all do + @parent_um = ModuleSpecs::InstanceMeth.instance_method(:foo) + @child_um = ModuleSpecs::InstanceMethChild.instance_method(:foo) + @mod_um = ModuleSpecs::InstanceMethChild.instance_method(:bar) + end + + it "is a public method" do + Module.should have_public_instance_method(:instance_method, false) + end + + it "requires an argument" do + Module.new.method(:instance_method).arity.should == 1 + end + + it "returns an UnboundMethod corresponding to the given name" do + @parent_um.should be_kind_of(UnboundMethod) + @parent_um.bind(ModuleSpecs::InstanceMeth.new).call.should == :foo + end + + it "returns an UnboundMethod corresponding to the given name from a superclass" do + @child_um.should be_kind_of(UnboundMethod) + @child_um.bind(ModuleSpecs::InstanceMethChild.new).call.should == :foo + end + + it "returns an UnboundMethod corresponding to the given name from an included Module" do + @mod_um.should be_kind_of(UnboundMethod) + @mod_um.bind(ModuleSpecs::InstanceMethChild.new).call.should == :bar + end + + it "returns an UnboundMethod when given a protected method name" do + ModuleSpecs::Basic.instance_method(:protected_module).should be_an_instance_of(UnboundMethod) + end + + it "returns an UnboundMethod when given a private method name" do + ModuleSpecs::Basic.instance_method(:private_module).should be_an_instance_of(UnboundMethod) + end + + it "gives UnboundMethod method name, Module defined in and Module extracted from" do + @parent_um.inspect.should =~ /\bfoo\b/ + @parent_um.inspect.should =~ /\bModuleSpecs::InstanceMeth\b/ + @parent_um.inspect.should =~ /\bModuleSpecs::InstanceMeth\b/ + @child_um.inspect.should =~ /\bfoo\b/ + @child_um.inspect.should =~ /\bModuleSpecs::InstanceMeth\b/ + @child_um.inspect.should =~ /\bModuleSpecs::InstanceMethChild\b/ + @mod_um.inspect.should =~ /\bbar\b/ + @mod_um.inspect.should =~ /\bModuleSpecs::InstanceMethMod\b/ + @mod_um.inspect.should =~ /\bModuleSpecs::InstanceMethChild\b/ + end + + it "raises a TypeError if not passed a symbol" do + lambda { Object.instance_method([]) }.should raise_error(TypeError) + lambda { Object.instance_method(0) }.should raise_error(TypeError) + end + + it "raises a TypeError if the given name is not a string/symbol" do + lambda { Object.instance_method(nil) }.should raise_error(TypeError) + lambda { Object.instance_method(mock('x')) }.should raise_error(TypeError) + end + + it "raises a NameError if the method has been undefined" do + child = Class.new(ModuleSpecs::InstanceMeth) + child.send :undef_method, :foo + um = ModuleSpecs::InstanceMeth.instance_method(:foo) + um.should == @parent_um + lambda do + child.instance_method(:foo) + end.should raise_error(NameError) + end + + it "raises a NameError if the method does not exist" do + lambda { Object.instance_method(:missing) }.should raise_error(NameError) + end + + it "sets the NameError#name attribute to the name of the missing method" do + begin + Object.instance_method(:missing) + rescue NameError => e + e.name.should == :missing + end + end +end |