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Diffstat (limited to 'spec/ruby/language/module_spec.rb')
-rw-r--r-- | spec/ruby/language/module_spec.rb | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/spec/ruby/language/module_spec.rb b/spec/ruby/language/module_spec.rb new file mode 100644 index 0000000000..d5ca71b3b4 --- /dev/null +++ b/spec/ruby/language/module_spec.rb @@ -0,0 +1,91 @@ +require File.expand_path('../../spec_helper', __FILE__) +require File.expand_path('../fixtures/module', __FILE__) + +describe "The module keyword" do + it "creates a new module without semicolon" do + module ModuleSpecsKeywordWithoutSemicolon end + ModuleSpecsKeywordWithoutSemicolon.should be_an_instance_of(Module) + end + + it "creates a new module with a non-qualified constant name" do + module ModuleSpecsToplevel; end + ModuleSpecsToplevel.should be_an_instance_of(Module) + end + + it "creates a new module with a qualified constant name" do + module ModuleSpecs::Nested; end + ModuleSpecs::Nested.should be_an_instance_of(Module) + end + + it "creates a new module with a variable qualified constant name" do + m = Module.new + module m::N; end + m::N.should be_an_instance_of(Module) + end + + it "reopens an existing module" do + module ModuleSpecs; Reopened = true; end + ModuleSpecs::Reopened.should be_true + end + + it "reopens a module included in Object" do + module IncludedModuleSpecs; Reopened = true; end + ModuleSpecs::IncludedInObject::IncludedModuleSpecs::Reopened.should be_true + end + + it "raises a TypeError if the constant is a Class" do + lambda do + module ModuleSpecs::Modules::Klass; end + end.should raise_error(TypeError) + end + + it "raises a TypeError if the constant is a String" do + lambda { module ModuleSpecs::Modules::A; end }.should raise_error(TypeError) + end + + it "raises a TypeError if the constant is a Fixnum" do + lambda { module ModuleSpecs::Modules::B; end }.should raise_error(TypeError) + end + + it "raises a TypeError if the constant is nil" do + lambda { module ModuleSpecs::Modules::C; end }.should raise_error(TypeError) + end + + it "raises a TypeError if the constant is true" do + lambda { module ModuleSpecs::Modules::D; end }.should raise_error(TypeError) + end + + it "raises a TypeError if the constant is false" do + lambda { module ModuleSpecs::Modules::D; end }.should raise_error(TypeError) + end +end + +describe "Assigning an anonymous module to a constant" do + it "sets the name of the module" do + mod = Module.new + mod.name.should be_nil + + ::ModuleSpecs_CS1 = mod + mod.name.should == "ModuleSpecs_CS1" + end + + it "does not set the name of a module scoped by an anonymous module" do + a, b = Module.new, Module.new + a::B = b + b.name.should be_nil + end + + it "sets the name of contained modules when assigning a toplevel anonymous module" do + a, b, c, d = Module.new, Module.new, Module.new, Module.new + a::B = b + a::B::C = c + a::B::C::E = c + a::D = d + + ::ModuleSpecs_CS2 = a + a.name.should == "ModuleSpecs_CS2" + b.name.should == "ModuleSpecs_CS2::B" + c.name.should == "ModuleSpecs_CS2::B::C" + d.name.should == "ModuleSpecs_CS2::D" + end +end |