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-rw-r--r--spec/ruby/language/defined_spec.rb426
1 files changed, 308 insertions, 118 deletions
diff --git a/spec/ruby/language/defined_spec.rb b/spec/ruby/language/defined_spec.rb
index f2da8a9293..3fd611d09e 100644
--- a/spec/ruby/language/defined_spec.rb
+++ b/spec/ruby/language/defined_spec.rb
@@ -5,21 +5,25 @@ describe "The defined? keyword for literals" do
it "returns 'self' for self" do
ret = defined?(self)
ret.should == "self"
+ ret.frozen?.should == true
end
it "returns 'nil' for nil" do
ret = defined?(nil)
ret.should == "nil"
+ ret.frozen?.should == true
end
it "returns 'true' for true" do
ret = defined?(true)
ret.should == "true"
+ ret.frozen?.should == true
end
it "returns 'false' for false" do
ret = defined?(false)
ret.should == "false"
+ ret.frozen?.should == true
end
describe "for a literal Array" do
@@ -27,6 +31,7 @@ describe "The defined? keyword for literals" do
it "returns 'expression' if each element is defined" do
ret = defined?([Object, Array])
ret.should == "expression"
+ ret.frozen?.should == true
end
it "returns nil if one element is not defined" do
@@ -43,13 +48,29 @@ describe "The defined? keyword for literals" do
end
describe "The defined? keyword when called with a method name" do
+ before :each do
+ ScratchPad.clear
+ end
+
+ it "does not call the method" do
+ defined?(DefinedSpecs.side_effects).should == "method"
+ ScratchPad.recorded.should != :defined_specs_side_effects
+ end
+
+ it "does not execute the arguments" do
+ defined?(DefinedSpecs.any_args(DefinedSpecs.side_effects)).should == "method"
+ ScratchPad.recorded.should != :defined_specs_side_effects
+ end
+
describe "without a receiver" do
it "returns 'method' if the method is defined" do
- defined?(puts).should == "method"
+ ret = defined?(puts)
+ ret.should == "method"
+ ret.frozen?.should == true
end
it "returns nil if the method is not defined" do
- defined?(defined_specs_undefined_method).should be_nil
+ defined?(defined_specs_undefined_method).should == nil
end
it "returns 'method' if the method is defined and private" do
@@ -69,23 +90,23 @@ describe "The defined? keyword when called with a method name" do
end
it "returns nil if the method is private" do
- defined?(Object.print).should be_nil
+ defined?(Object.print).should == nil
end
it "returns nil if the method is protected" do
- defined?(DefinedSpecs::Basic.new.protected_method).should be_nil
+ defined?(DefinedSpecs::Basic.new.protected_method).should == nil
end
it "returns nil if the method is not defined" do
- defined?(Kernel.defined_specs_undefined_method).should be_nil
+ defined?(Kernel.defined_specs_undefined_method).should == nil
end
it "returns nil if the class is not defined" do
- defined?(DefinedSpecsUndefined.puts).should be_nil
+ defined?(DefinedSpecsUndefined.puts).should == nil
end
it "returns nil if the subclass is not defined" do
- defined?(DefinedSpecs::Undefined.puts).should be_nil
+ defined?(DefinedSpecs::Undefined.puts).should == nil
end
end
@@ -95,13 +116,18 @@ describe "The defined? keyword when called with a method name" do
defined?(obj.a_defined_method).should == "method"
end
+ it "returns 'method' for []=" do
+ a = []
+ defined?(a[0] = 1).should == "method"
+ end
+
it "returns nil if the method is not defined" do
obj = DefinedSpecs::Basic.new
- defined?(obj.an_undefined_method).should be_nil
+ defined?(obj.an_undefined_method).should == nil
end
it "returns nil if the variable does not exist" do
- defined?(nonexistent_local_variable.some_method).should be_nil
+ defined?(nonexistent_local_variable.some_method).should == nil
end
it "calls #respond_to_missing?" do
@@ -119,11 +145,11 @@ describe "The defined? keyword when called with a method name" do
it "returns nil if the method is not defined" do
@defined_specs_obj = DefinedSpecs::Basic.new
- defined?(@defined_specs_obj.an_undefined_method).should be_nil
+ defined?(@defined_specs_obj.an_undefined_method).should == nil
end
it "returns nil if the variable does not exist" do
- defined?(@nonexistent_instance_variable.some_method).should be_nil
+ defined?(@nonexistent_instance_variable.some_method).should == nil
end
end
@@ -135,22 +161,22 @@ describe "The defined? keyword when called with a method name" do
it "returns nil if the method is not defined" do
$defined_specs_obj = DefinedSpecs::Basic.new
- defined?($defined_specs_obj.an_undefined_method).should be_nil
+ defined?($defined_specs_obj.an_undefined_method).should == nil
end
it "returns nil if the variable does not exist" do
- defined?($nonexistent_global_variable.some_method).should be_nil
+ defined?($nonexistent_global_variable.some_method).should == nil
end
end
describe "having a method call as a receiver" do
it "returns nil if evaluating the receiver raises an exception" do
- defined?(DefinedSpecs.exception_method / 2).should be_nil
+ defined?(DefinedSpecs.exception_method / 2).should == nil
ScratchPad.recorded.should == :defined_specs_exception
end
it "returns nil if the method is not defined on the object the receiver returns" do
- defined?(DefinedSpecs.side_effects / 2).should be_nil
+ defined?(DefinedSpecs.side_effects / 2).should == nil
ScratchPad.recorded.should == :defined_specs_side_effects
end
@@ -159,6 +185,32 @@ describe "The defined? keyword when called with a method name" do
ScratchPad.recorded.should == :defined_specs_fixnum_method
end
end
+
+ describe "having a throw in the receiver" do
+ it "escapes defined? and performs the throw semantics as normal" do
+ defined_returned = false
+ catch(:out) {
+ # NOTE: defined? behaves differently if it is called in a void context, see below
+ defined?(throw(:out, 42).foo).should == :unreachable
+ defined_returned = true
+ }.should == 42
+ defined_returned.should == false
+ end
+ end
+
+ describe "in a void context" do
+ it "does not execute the receiver" do
+ ScratchPad.record :not_executed
+ defined?(DefinedSpecs.side_effects / 2)
+ ScratchPad.recorded.should == :not_executed
+ end
+
+ it "warns about the void context when parsing it" do
+ -> {
+ eval "defined?(DefinedSpecs.side_effects / 2); 42"
+ }.should complain(/warning: possibly useless use of defined\? in void context/, verbose: true)
+ end
+ end
end
describe "The defined? keyword for an expression" do
@@ -167,7 +219,9 @@ describe "The defined? keyword for an expression" do
end
it "returns 'assignment' for assigning a local variable" do
- defined?(x = 2).should == "assignment"
+ ret = defined?(x = 2)
+ ret.should == "assignment"
+ ret.frozen?.should == true
end
it "returns 'assignment' for assigning an instance variable" do
@@ -182,6 +236,14 @@ describe "The defined? keyword for an expression" do
defined?(@@defined_specs_x = 2).should == "assignment"
end
+ it "returns 'assignment' for assigning a constant" do
+ defined?(A = 2).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning a fully qualified constant" do
+ defined?(Object::A = 2).should == "assignment"
+ end
+
it "returns 'assignment' for assigning multiple variables" do
defined?((a, b = 1, 2)).should == "assignment"
end
@@ -199,7 +261,27 @@ describe "The defined? keyword for an expression" do
end
it "returns 'assignment' for an expression with '+='" do
- defined?(x += 2).should == "assignment"
+ defined?(a += 1).should == "assignment"
+ defined?(@a += 1).should == "assignment"
+ defined?(@@a += 1).should == "assignment"
+ defined?($a += 1).should == "assignment"
+ defined?(A += 1).should == "assignment"
+ # fully qualified constant check is moved out into a separate test case
+ defined?(a.b += 1).should == "assignment"
+ defined?(a[:b] += 1).should == "assignment"
+ end
+
+ # https://bugs.ruby-lang.org/issues/20111
+ ruby_version_is ""..."3.4" do
+ it "returns 'expression' for an assigning a fully qualified constant with '+='" do
+ defined?(Object::A += 1).should == "expression"
+ end
+ end
+
+ ruby_version_is "3.4" do
+ it "returns 'assignment' for an assigning a fully qualified constant with '+='" do
+ defined?(Object::A += 1).should == "assignment"
+ end
end
it "returns 'assignment' for an expression with '*='" do
@@ -230,12 +312,90 @@ describe "The defined? keyword for an expression" do
defined?(x >>= 2).should == "assignment"
end
- it "returns 'assignment' for an expression with '||='" do
- defined?(x ||= 2).should == "assignment"
+ context "||=" do
+ it "returns 'assignment' for assigning a local variable with '||='" do
+ defined?(a ||= true).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning an instance variable with '||='" do
+ defined?(@a ||= true).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning a class variable with '||='" do
+ defined?(@@a ||= true).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning a global variable with '||='" do
+ defined?($a ||= true).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning a constant with '||='" do
+ defined?(A ||= true).should == "assignment"
+ end
+
+ # https://bugs.ruby-lang.org/issues/20111
+ ruby_version_is ""..."3.4" do
+ it "returns 'expression' for assigning a fully qualified constant with '||='" do
+ defined?(Object::A ||= true).should == "expression"
+ end
+ end
+
+ ruby_version_is "3.4" do
+ it "returns 'assignment' for assigning a fully qualified constant with '||='" do
+ defined?(Object::A ||= true).should == "assignment"
+ end
+ end
+
+ it "returns 'assignment' for assigning an attribute with '||='" do
+ defined?(a.b ||= true).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning a referenced element with '||='" do
+ defined?(a[:b] ||= true).should == "assignment"
+ end
end
- it "returns 'assignment' for an expression with '&&='" do
- defined?(x &&= 2).should == "assignment"
+ context "&&=" do
+ it "returns 'assignment' for assigning a local variable with '&&='" do
+ defined?(a &&= true).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning an instance variable with '&&='" do
+ defined?(@a &&= true).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning a class variable with '&&='" do
+ defined?(@@a &&= true).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning a global variable with '&&='" do
+ defined?($a &&= true).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning a constant with '&&='" do
+ defined?(A &&= true).should == "assignment"
+ end
+
+ # https://bugs.ruby-lang.org/issues/20111
+ ruby_version_is ""..."3.4" do
+ it "returns 'expression' for assigning a fully qualified constant with '&&='" do
+ defined?(Object::A &&= true).should == "expression"
+ end
+ end
+
+ ruby_version_is "3.4" do
+ it "returns 'assignment' for assigning a fully qualified constant with '&&='" do
+ defined?(Object::A &&= true).should == "assignment"
+ end
+ end
+
+ it "returns 'assignment' for assigning an attribute with '&&='" do
+ defined?(a.b &&= true).should == "assignment"
+ end
+
+ it "returns 'assignment' for assigning a referenced element with '&&='" do
+ defined?(a[:b] &&= true).should == "assignment"
+ end
end
it "returns 'assignment' for an expression with '**='" do
@@ -243,15 +403,15 @@ describe "The defined? keyword for an expression" do
end
it "returns nil for an expression with == and an undefined method" do
- defined?(defined_specs_undefined_method == 2).should be_nil
+ defined?(defined_specs_undefined_method == 2).should == nil
end
it "returns nil for an expression with != and an undefined method" do
- defined?(defined_specs_undefined_method != 2).should be_nil
+ defined?(defined_specs_undefined_method != 2).should == nil
end
it "returns nil for an expression with !~ and an undefined method" do
- defined?(defined_specs_undefined_method !~ 2).should be_nil
+ defined?(defined_specs_undefined_method !~ 2).should == nil
end
it "returns 'method' for an expression with '=='" do
@@ -271,25 +431,25 @@ describe "The defined? keyword for an expression" do
describe "with logical connectives" do
it "returns nil for an expression with '!' and an undefined method" do
- defined?(!defined_specs_undefined_method).should be_nil
+ defined?(!defined_specs_undefined_method).should == nil
end
it "returns nil for an expression with '!' and an unset class variable" do
@result = eval("class singleton_class::A; defined?(!@@doesnt_exist) end", binding, __FILE__, __LINE__)
- @result.should be_nil
+ @result.should == nil
end
it "returns nil for an expression with 'not' and an undefined method" do
- defined?(not defined_specs_undefined_method).should be_nil
+ defined?(not defined_specs_undefined_method).should == nil
end
it "returns nil for an expression with 'not' and an unset class variable" do
@result = eval("class singleton_class::A; defined?(not @@doesnt_exist) end", binding, __FILE__, __LINE__)
- @result.should be_nil
+ @result.should == nil
end
it "does not propagate an exception raised by a method in a 'not' expression" do
- defined?(not DefinedSpecs.exception_method).should be_nil
+ defined?(not DefinedSpecs.exception_method).should == nil
ScratchPad.recorded.should == :defined_specs_exception
end
@@ -328,11 +488,11 @@ describe "The defined? keyword for an expression" do
end
it "returns nil for an expression with '!' and an unset global variable" do
- defined?(!$defined_specs_undefined_global_variable).should be_nil
+ defined?(!$defined_specs_undefined_global_variable).should == nil
end
it "returns nil for an expression with '!' and an unset instance variable" do
- defined?(!@defined_specs_undefined_instance_variable).should be_nil
+ defined?(!@defined_specs_undefined_instance_variable).should == nil
end
it "returns 'method' for a 'not' expression with a method" do
@@ -345,11 +505,11 @@ describe "The defined? keyword for an expression" do
end
it "returns nil for an expression with 'not' and an unset global variable" do
- defined?(not $defined_specs_undefined_global_variable).should be_nil
+ defined?(not $defined_specs_undefined_global_variable).should == nil
end
it "returns nil for an expression with 'not' and an unset instance variable" do
- defined?(not @defined_specs_undefined_instance_variable).should be_nil
+ defined?(not @defined_specs_undefined_instance_variable).should == nil
end
it "returns 'expression' for an expression with '&&/and' and an undefined method" do
@@ -364,12 +524,12 @@ describe "The defined? keyword for an expression" do
it "does not call a method in an '&&' expression and returns 'expression'" do
defined?(DefinedSpecs.side_effects && true).should == "expression"
- ScratchPad.recorded.should be_nil
+ ScratchPad.recorded.should == nil
end
it "does not call a method in an 'and' expression and returns 'expression'" do
defined?(DefinedSpecs.side_effects and true).should == "expression"
- ScratchPad.recorded.should be_nil
+ ScratchPad.recorded.should == nil
end
it "returns 'expression' for an expression with '||/or' and an undefined method" do
@@ -384,12 +544,12 @@ describe "The defined? keyword for an expression" do
it "does not call a method in an '||' expression and returns 'expression'" do
defined?(DefinedSpecs.side_effects || true).should == "expression"
- ScratchPad.recorded.should be_nil
+ ScratchPad.recorded.should == nil
end
it "does not call a method in an 'or' expression and returns 'expression'" do
defined?(DefinedSpecs.side_effects or true).should == "expression"
- ScratchPad.recorded.should be_nil
+ ScratchPad.recorded.should == nil
end
end
@@ -412,7 +572,7 @@ describe "The defined? keyword for an expression" do
it "does not call the method in the String" do
defined?("garble #{DefinedSpecs.dynamic_string}").should == "expression"
- ScratchPad.recorded.should be_nil
+ ScratchPad.recorded.should == nil
end
end
@@ -431,7 +591,7 @@ describe "The defined? keyword for an expression" do
it "does not call the method in the Regexp" do
defined?(/garble #{DefinedSpecs.dynamic_string}/).should == "expression"
- ScratchPad.recorded.should be_nil
+ ScratchPad.recorded.should == nil
end
end
@@ -470,7 +630,9 @@ end
describe "The defined? keyword for variables" do
it "returns 'local-variable' when called with the name of a local variable" do
- DefinedSpecs::Basic.new.local_variable_defined.should == "local-variable"
+ ret = DefinedSpecs::Basic.new.local_variable_defined
+ ret.should == "local-variable"
+ ret.frozen?.should == true
end
it "returns 'local-variable' when called with the name of a local variable assigned to nil" do
@@ -478,15 +640,17 @@ describe "The defined? keyword for variables" do
end
it "returns nil for an instance variable that has not been read" do
- DefinedSpecs::Basic.new.instance_variable_undefined.should be_nil
+ DefinedSpecs::Basic.new.instance_variable_undefined.should == nil
end
it "returns nil for an instance variable that has been read but not assigned to" do
- DefinedSpecs::Basic.new.instance_variable_read.should be_nil
+ DefinedSpecs::Basic.new.instance_variable_read.should == nil
end
it "returns 'instance-variable' for an instance variable that has been assigned" do
- DefinedSpecs::Basic.new.instance_variable_defined.should == "instance-variable"
+ ret = DefinedSpecs::Basic.new.instance_variable_defined
+ ret.should == "instance-variable"
+ ret.frozen?.should == true
end
it "returns 'instance-variable' for an instance variable that has been assigned to nil" do
@@ -494,15 +658,17 @@ describe "The defined? keyword for variables" do
end
it "returns nil for a global variable that has not been read" do
- DefinedSpecs::Basic.new.global_variable_undefined.should be_nil
+ DefinedSpecs::Basic.new.global_variable_undefined.should == nil
end
it "returns nil for a global variable that has been read but not assigned to" do
- DefinedSpecs::Basic.new.global_variable_read.should be_nil
+ DefinedSpecs::Basic.new.global_variable_read.should == nil
end
it "returns 'global-variable' for a global variable that has been assigned nil" do
- DefinedSpecs::Basic.new.global_variable_defined_as_nil.should == "global-variable"
+ ret = DefinedSpecs::Basic.new.global_variable_defined_as_nil
+ ret.should == "global-variable"
+ ret.frozen?.should == true
end
# MRI appears to special case defined? for $! and $~ in that it returns
@@ -528,27 +694,27 @@ describe "The defined? keyword for variables" do
end
it "returns nil for $&" do
- defined?($&).should be_nil
+ defined?($&).should == nil
end
it "returns nil for $`" do
- defined?($`).should be_nil
+ defined?($`).should == nil
end
it "returns nil for $'" do
- defined?($').should be_nil
+ defined?($').should == nil
end
it "returns nil for $+" do
- defined?($+).should be_nil
+ defined?($+).should == nil
end
it "returns nil for any last match global" do
- defined?($1).should be_nil
- defined?($4).should be_nil
- defined?($7).should be_nil
- defined?($10).should be_nil
- defined?($200).should be_nil
+ defined?($1).should == nil
+ defined?($4).should == nil
+ defined?($7).should == nil
+ defined?($10).should == nil
+ defined?($200).should == nil
end
end
@@ -583,10 +749,10 @@ describe "The defined? keyword for variables" do
end
it "returns nil for non-captures" do
- defined?($4).should be_nil
- defined?($7).should be_nil
- defined?($10).should be_nil
- defined?($200).should be_nil
+ defined?($4).should == nil
+ defined?($7).should == nil
+ defined?($10).should == nil
+ defined?($200).should == nil
end
end
@@ -600,27 +766,27 @@ describe "The defined? keyword for variables" do
end
it "returns nil for $&" do
- defined?($&).should be_nil
+ defined?($&).should == nil
end
it "returns nil for $`" do
- defined?($`).should be_nil
+ defined?($`).should == nil
end
it "returns nil for $'" do
- defined?($').should be_nil
+ defined?($').should == nil
end
it "returns nil for $+" do
- defined?($+).should be_nil
+ defined?($+).should == nil
end
it "returns nil for any last match global" do
- defined?($1).should be_nil
- defined?($4).should be_nil
- defined?($7).should be_nil
- defined?($10).should be_nil
- defined?($200).should be_nil
+ defined?($1).should == nil
+ defined?($4).should == nil
+ defined?($7).should == nil
+ defined?($10).should == nil
+ defined?($200).should == nil
end
end
@@ -655,10 +821,10 @@ describe "The defined? keyword for variables" do
end
it "returns nil for non-captures" do
- defined?($4).should be_nil
- defined?($7).should be_nil
- defined?($10).should be_nil
- defined?($200).should be_nil
+ defined?($4).should == nil
+ defined?($7).should == nil
+ defined?($10).should == nil
+ defined?($200).should == nil
end
end
it "returns 'global-variable' for a global variable that has been assigned" do
@@ -666,7 +832,7 @@ describe "The defined? keyword for variables" do
end
it "returns nil for a class variable that has not been read" do
- DefinedSpecs::Basic.new.class_variable_undefined.should be_nil
+ DefinedSpecs::Basic.new.class_variable_undefined.should == nil
end
# There is no spec for a class variable that is read before being assigned
@@ -674,7 +840,9 @@ describe "The defined? keyword for variables" do
# get to the defined? call so it really has nothing to do with 'defined?'.
it "returns 'class variable' when called with the name of a class variable" do
- DefinedSpecs::Basic.new.class_variable_defined.should == "class variable"
+ ret = DefinedSpecs::Basic.new.class_variable_defined
+ ret.should == "class variable"
+ ret.frozen?.should == true
end
it "returns 'local-variable' when called with the name of a block local" do
@@ -685,16 +853,18 @@ end
describe "The defined? keyword for a simple constant" do
it "returns 'constant' when the constant is defined" do
- defined?(DefinedSpecs).should == "constant"
+ ret = defined?(DefinedSpecs)
+ ret.should == "constant"
+ ret.frozen?.should == true
end
it "returns nil when the constant is not defined" do
- defined?(DefinedSpecsUndefined).should be_nil
+ defined?(DefinedSpecsUndefined).should == nil
end
it "does not call Object.const_missing if the constant is not defined" do
Object.should_not_receive(:const_missing)
- defined?(DefinedSpecsUndefined).should be_nil
+ defined?(DefinedSpecsUndefined).should == nil
end
it "returns 'constant' for an included module" do
@@ -712,12 +882,12 @@ describe "The defined? keyword for a top-level constant" do
end
it "returns nil if the constant is not defined" do
- defined?(::DefinedSpecsUndefined).should be_nil
+ defined?(::DefinedSpecsUndefined).should == nil
end
it "does not call Object.const_missing if the constant is not defined" do
Object.should_not_receive(:const_missing)
- defined?(::DefinedSpecsUndefined).should be_nil
+ defined?(::DefinedSpecsUndefined).should == nil
end
end
@@ -727,33 +897,37 @@ describe "The defined? keyword for a scoped constant" do
end
it "returns nil when the scoped constant is not defined" do
- defined?(DefinedSpecs::Undefined).should be_nil
+ defined?(DefinedSpecs::Undefined).should == nil
+ end
+
+ it "returns nil when the constant is not defined and the outer module implements .const_missing" do
+ defined?(DefinedSpecs::ModuleWithConstMissing::Undefined).should == nil
end
it "does not call .const_missing if the constant is not defined" do
DefinedSpecs.should_not_receive(:const_missing)
- defined?(DefinedSpecs::UnknownChild).should be_nil
+ defined?(DefinedSpecs::UnknownChild).should == nil
end
it "returns nil when an undefined constant is scoped to a defined constant" do
- defined?(DefinedSpecs::Child::Undefined).should be_nil
+ defined?(DefinedSpecs::Child::Undefined).should == nil
end
it "returns nil when a constant is scoped to an undefined constant" do
Object.should_not_receive(:const_missing)
- defined?(Undefined::Object).should be_nil
+ defined?(Undefined::Object).should == nil
end
it "returns nil when the undefined constant is scoped to an undefined constant" do
- defined?(DefinedSpecs::Undefined::Undefined).should be_nil
+ defined?(DefinedSpecs::Undefined::Undefined).should == nil
end
it "returns nil when a constant is defined on top-level but not on the module" do
- defined?(DefinedSpecs::String).should be_nil
+ defined?(DefinedSpecs::String).should == nil
end
it "returns nil when a constant is defined on top-level but not on the class" do
- defined?(DefinedSpecs::Basic::String).should be_nil
+ defined?(DefinedSpecs::Basic::String).should == nil
end
it "returns 'constant' if the scoped-scoped constant is defined" do
@@ -767,15 +941,15 @@ describe "The defined? keyword for a top-level scoped constant" do
end
it "returns nil when the scoped constant is not defined" do
- defined?(::DefinedSpecs::Undefined).should be_nil
+ defined?(::DefinedSpecs::Undefined).should == nil
end
it "returns nil when an undefined constant is scoped to a defined constant" do
- defined?(::DefinedSpecs::Child::Undefined).should be_nil
+ defined?(::DefinedSpecs::Child::Undefined).should == nil
end
it "returns nil when the undefined constant is scoped to an undefined constant" do
- defined?(::DefinedSpecs::Undefined::Undefined).should be_nil
+ defined?(::DefinedSpecs::Undefined::Undefined).should == nil
end
it "returns 'constant' if the scoped-scoped constant is defined" do
@@ -785,7 +959,7 @@ end
describe "The defined? keyword for a self-send method call scoped constant" do
it "returns nil if the constant is not defined in the scope of the method's value" do
- defined?(defined_specs_method::Undefined).should be_nil
+ defined?(defined_specs_method::Undefined).should == nil
end
it "returns 'constant' if the constant is defined in the scope of the method's value" do
@@ -793,11 +967,11 @@ describe "The defined? keyword for a self-send method call scoped constant" do
end
it "returns nil if the last constant is not defined in the scope chain" do
- defined?(defined_specs_method::Basic::Undefined).should be_nil
+ defined?(defined_specs_method::Basic::Undefined).should == nil
end
it "returns nil if the middle constant is not defined in the scope chain" do
- defined?(defined_specs_method::Undefined::Undefined).should be_nil
+ defined?(defined_specs_method::Undefined::Undefined).should == nil
end
it "returns 'constant' if all the constants in the scope chain are defined" do
@@ -807,7 +981,7 @@ end
describe "The defined? keyword for a receiver method call scoped constant" do
it "returns nil if the constant is not defined in the scope of the method's value" do
- defined?(defined_specs_receiver.defined_method::Undefined).should be_nil
+ defined?(defined_specs_receiver.defined_method::Undefined).should == nil
end
it "returns 'constant' if the constant is defined in the scope of the method's value" do
@@ -815,11 +989,11 @@ describe "The defined? keyword for a receiver method call scoped constant" do
end
it "returns nil if the last constant is not defined in the scope chain" do
- defined?(defined_specs_receiver.defined_method::Basic::Undefined).should be_nil
+ defined?(defined_specs_receiver.defined_method::Basic::Undefined).should == nil
end
it "returns nil if the middle constant is not defined in the scope chain" do
- defined?(defined_specs_receiver.defined_method::Undefined::Undefined).should be_nil
+ defined?(defined_specs_receiver.defined_method::Undefined::Undefined).should == nil
end
it "returns 'constant' if all the constants in the scope chain are defined" do
@@ -829,7 +1003,7 @@ end
describe "The defined? keyword for a module method call scoped constant" do
it "returns nil if the constant is not defined in the scope of the method's value" do
- defined?(DefinedSpecs.defined_method::Undefined).should be_nil
+ defined?(DefinedSpecs.defined_method::Undefined).should == nil
end
it "returns 'constant' if the constant scoped by the method's value is defined" do
@@ -837,11 +1011,11 @@ describe "The defined? keyword for a module method call scoped constant" do
end
it "returns nil if the last constant in the scope chain is not defined" do
- defined?(DefinedSpecs.defined_method::Basic::Undefined).should be_nil
+ defined?(DefinedSpecs.defined_method::Basic::Undefined).should == nil
end
it "returns nil if the middle constant in the scope chain is not defined" do
- defined?(DefinedSpecs.defined_method::Undefined::Undefined).should be_nil
+ defined?(DefinedSpecs.defined_method::Undefined::Undefined).should == nil
end
it "returns 'constant' if all the constants in the scope chain are defined" do
@@ -849,11 +1023,11 @@ describe "The defined? keyword for a module method call scoped constant" do
end
it "returns nil if the outer scope constant in the receiver is not defined" do
- defined?(Undefined::DefinedSpecs.defined_method::Basic).should be_nil
+ defined?(Undefined::DefinedSpecs.defined_method::Basic).should == nil
end
it "returns nil if the scoped constant in the receiver is not defined" do
- defined?(DefinedSpecs::Undefined.defined_method::Basic).should be_nil
+ defined?(DefinedSpecs::Undefined.defined_method::Basic).should == nil
end
it "returns 'constant' if all the constants in the receiver are defined" do
@@ -874,7 +1048,7 @@ describe "The defined? keyword for a variable scoped constant" do
it "returns nil if the instance scoped constant is not defined" do
@defined_specs_obj = DefinedSpecs::Basic
- defined?(@defined_specs_obj::Undefined).should be_nil
+ defined?(@defined_specs_obj::Undefined).should == nil
end
it "returns 'constant' if the constant is defined in the scope of the instance variable" do
@@ -884,7 +1058,7 @@ describe "The defined? keyword for a variable scoped constant" do
it "returns nil if the global scoped constant is not defined" do
$defined_specs_obj = DefinedSpecs::Basic
- defined?($defined_specs_obj::Undefined).should be_nil
+ defined?($defined_specs_obj::Undefined).should == nil
end
it "returns 'constant' if the constant is defined in the scope of the global variable" do
@@ -896,7 +1070,7 @@ describe "The defined? keyword for a variable scoped constant" do
eval(<<-END, binding, __FILE__, __LINE__)
class singleton_class::A
@@defined_specs_obj = DefinedSpecs::Basic
- defined?(@@defined_specs_obj::Undefined).should be_nil
+ defined?(@@defined_specs_obj::Undefined).should == nil
end
END
end
@@ -912,7 +1086,7 @@ describe "The defined? keyword for a variable scoped constant" do
it "returns nil if the local scoped constant is not defined" do
defined_specs_obj = DefinedSpecs::Basic
- defined?(defined_specs_obj::Undefined).should be_nil
+ defined?(defined_specs_obj::Undefined).should == nil
end
it "returns 'constant' if the constant is defined in the scope of the local variable" do
@@ -933,46 +1107,62 @@ end
describe "The defined? keyword for yield" do
it "returns nil if no block is passed to a method not taking a block parameter" do
- DefinedSpecs::Basic.new.no_yield_block.should be_nil
+ DefinedSpecs::Basic.new.no_yield_block.should == nil
end
it "returns nil if no block is passed to a method taking a block parameter" do
- DefinedSpecs::Basic.new.no_yield_block_parameter.should be_nil
+ DefinedSpecs::Basic.new.no_yield_block_parameter.should == nil
end
it "returns 'yield' if a block is passed to a method not taking a block parameter" do
- DefinedSpecs::Basic.new.yield_block.should == "yield"
+ ret = DefinedSpecs::Basic.new.yield_block
+ ret.should == "yield"
+ ret.frozen?.should == true
end
it "returns 'yield' if a block is passed to a method taking a block parameter" do
DefinedSpecs::Basic.new.yield_block_parameter.should == "yield"
end
+
+ it "returns 'yield' when called within a block" do
+ def yielder
+ yield
+ end
+
+ def call_defined
+ yielder { defined?(yield) }
+ end
+
+ call_defined() { }.should == "yield"
+ end
end
describe "The defined? keyword for super" do
it "returns nil when a superclass undef's the method" do
- DefinedSpecs::ClassWithoutMethod.new.test.should be_nil
+ DefinedSpecs::ClassWithoutMethod.new.test.should == nil
end
describe "for a method taking no arguments" do
it "returns nil when no superclass method exists" do
- DefinedSpecs::Super.new.no_super_method_no_args.should be_nil
+ DefinedSpecs::Super.new.no_super_method_no_args.should == nil
end
it "returns nil from a block when no superclass method exists" do
- DefinedSpecs::Super.new.no_super_method_block_no_args.should be_nil
+ DefinedSpecs::Super.new.no_super_method_block_no_args.should == nil
end
it "returns nil from a #define_method when no superclass method exists" do
- DefinedSpecs::Super.new.no_super_define_method_no_args.should be_nil
+ DefinedSpecs::Super.new.no_super_define_method_no_args.should == nil
end
it "returns nil from a block in a #define_method when no superclass method exists" do
- DefinedSpecs::Super.new.no_super_define_method_block_no_args.should be_nil
+ DefinedSpecs::Super.new.no_super_define_method_block_no_args.should == nil
end
it "returns 'super' when a superclass method exists" do
- DefinedSpecs::Super.new.method_no_args.should == "super"
+ ret = DefinedSpecs::Super.new.method_no_args
+ ret.should == "super"
+ ret.frozen?.should == true
end
it "returns 'super' from a block when a superclass method exists" do
@@ -994,19 +1184,19 @@ describe "The defined? keyword for super" do
describe "for a method taking arguments" do
it "returns nil when no superclass method exists" do
- DefinedSpecs::Super.new.no_super_method_args.should be_nil
+ DefinedSpecs::Super.new.no_super_method_args.should == nil
end
it "returns nil from a block when no superclass method exists" do
- DefinedSpecs::Super.new.no_super_method_block_args.should be_nil
+ DefinedSpecs::Super.new.no_super_method_block_args.should == nil
end
it "returns nil from a #define_method when no superclass method exists" do
- DefinedSpecs::Super.new.no_super_define_method_args.should be_nil
+ DefinedSpecs::Super.new.no_super_define_method_args.should == nil
end
it "returns nil from a block in a #define_method when no superclass method exists" do
- DefinedSpecs::Super.new.no_super_define_method_block_args.should be_nil
+ DefinedSpecs::Super.new.no_super_define_method_block_args.should == nil
end
it "returns 'super' when a superclass method exists" do
@@ -1041,7 +1231,7 @@ describe "The defined? keyword for instance variables" do
end
it "returns nil if not assigned" do
- defined?(@unassigned_ivar).should be_nil
+ defined?(@unassigned_ivar).should == nil
end
end