diff options
Diffstat (limited to 'spec/rubyspec/core/basicobject/instance_exec_spec.rb')
| -rw-r--r-- | spec/rubyspec/core/basicobject/instance_exec_spec.rb | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/spec/rubyspec/core/basicobject/instance_exec_spec.rb b/spec/rubyspec/core/basicobject/instance_exec_spec.rb deleted file mode 100644 index f41af6f64f..0000000000 --- a/spec/rubyspec/core/basicobject/instance_exec_spec.rb +++ /dev/null @@ -1,107 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/classes', __FILE__) - -describe "BasicObject#instance_exec" do - it "is a public instance method" do - BasicObject.should have_public_instance_method(:instance_exec) - end - - it "sets self to the receiver in the context of the passed block" do - a = BasicObject.new - a.instance_exec { self }.equal?(a).should be_true - end - - it "passes arguments to the block" do - a = BasicObject.new - a.instance_exec(1) { |b| b }.should equal(1) - end - - it "raises a LocalJumpError unless given a block" do - lambda { "hola".instance_exec }.should raise_error(LocalJumpError) - end - - it "has an arity of -1" do - Object.new.method(:instance_exec).arity.should == -1 - end - - it "accepts arguments with a block" do - lambda { "hola".instance_exec(4, 5) { |a,b| a + b } }.should_not raise_error - end - - it "doesn't pass self to the block as an argument" do - "hola".instance_exec { |o| o }.should be_nil - end - - it "passes any arguments to the block" do - Object.new.instance_exec(1,2) {|one, two| one + two}.should == 3 - end - - it "only binds the exec to the receiver" do - f = Object.new - f.instance_exec do - def foo - 1 - end - end - f.foo.should == 1 - lambda { Object.new.foo }.should raise_error(NoMethodError) - end - - # TODO: This should probably be replaced with a "should behave like" that uses - # the many scoping/binding specs from kernel/eval_spec, since most of those - # behaviors are the same for instance_exec. See also module_eval/class_eval. - - it "binds self to the receiver" do - s = "hola" - (s == s.instance_exec { self }).should == true - end - - it "binds the block's binding self to the receiver" do - s = "hola" - (s == s.instance_exec { eval "self", binding }).should == true - end - - it "executes in the context of the receiver" do - "Ruby-fu".instance_exec { size }.should == 7 - Object.class_eval { "Ruby-fu".instance_exec{ to_s } }.should == "Ruby-fu" - end - - it "has access to receiver's instance variables" do - BasicObjectSpecs::IVars.new.instance_exec { @secret }.should == 99 - end - - it "sets class variables in the receiver" do - BasicObjectSpecs::InstExec.class_variables.should include(:@@count) - BasicObjectSpecs::InstExec.send(:class_variable_get, :@@count).should == 2 - end - - it "raises a TypeError when defining methods on an immediate" do - lambda do - 1.instance_exec { def foo; end } - end.should raise_error(TypeError) - lambda do - :foo.instance_exec { def foo; end } - end.should raise_error(TypeError) - end - -quarantine! do # Not clean, leaves cvars lying around to break other specs - it "scopes class var accesses in the caller when called on a Fixnum" do - # Fixnum can take instance vars - Fixnum.class_eval "@@__tmp_instance_exec_spec = 1" - (defined? @@__tmp_instance_exec_spec).should == nil - - @@__tmp_instance_exec_spec = 2 - 1.instance_exec { @@__tmp_instance_exec_spec }.should == 2 - Fixnum.__send__(:remove_class_variable, :@@__tmp_instance_exec_spec) - end -end - - it "raises a TypeError when defining methods on numerics" do - lambda do - (1.0).instance_exec { def foo; end } - end.should raise_error(TypeError) - lambda do - (1 << 64).instance_exec { def foo; end } - end.should raise_error(TypeError) - end -end |
