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/kernel/instance_of_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/kernel/instance_of_spec.rb')
-rw-r--r-- | spec/rubyspec/core/kernel/instance_of_spec.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/spec/rubyspec/core/kernel/instance_of_spec.rb b/spec/rubyspec/core/kernel/instance_of_spec.rb new file mode 100644 index 0000000000..4801a1ff96 --- /dev/null +++ b/spec/rubyspec/core/kernel/instance_of_spec.rb @@ -0,0 +1,40 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe Kernel, "#instance_of?" do + before :each do + @o = KernelSpecs::InstanceClass.new + end + + it "returns true if given class is object's class" do + @o.instance_of?(KernelSpecs::InstanceClass).should == true + [].instance_of?(Array).should == true + ''.instance_of?(String).should == true + end + + it "returns false if given class is object's ancestor class" do + @o.instance_of?(KernelSpecs::AncestorClass).should == false + end + + it "returns false if given class is not object's class nor object's ancestor class" do + @o.instance_of?(Array).should == false + end + + it "returns false if given a Module that is included in object's class" do + @o.instance_of?(KernelSpecs::MyModule).should == false + end + + it "returns false if given a Module that is included one of object's ancestors only" do + @o.instance_of?(KernelSpecs::AncestorModule).should == false + end + + it "returns false if given a Module that is not included in object's class" do + @o.instance_of?(KernelSpecs::SomeOtherModule).should == false + end + + it "raises a TypeError if given an object that is not a Class nor a Module" do + lambda { @o.instance_of?(Object.new) }.should raise_error(TypeError) + lambda { @o.instance_of?('KernelSpecs::InstanceClass') }.should raise_error(TypeError) + lambda { @o.instance_of?(1) }.should raise_error(TypeError) + end +end |