diff options
Diffstat (limited to 'spec/ruby/core/basicobject')
| -rw-r--r-- | spec/ruby/core/basicobject/fixtures/classes.rb | 228 | ||||
| -rw-r--r-- | spec/ruby/core/basicobject/instance_eval_spec.rb | 117 | ||||
| -rw-r--r-- | spec/ruby/core/basicobject/method_missing_spec.rb | 1 |
3 files changed, 327 insertions, 19 deletions
diff --git a/spec/ruby/core/basicobject/fixtures/classes.rb b/spec/ruby/core/basicobject/fixtures/classes.rb index d1785afe31..ed5a2dda17 100644 --- a/spec/ruby/core/basicobject/fixtures/classes.rb +++ b/spec/ruby/core/basicobject/fixtures/classes.rb @@ -15,8 +15,231 @@ module BasicObjectSpecs include InstExec end - module InstEvalCVar - instance_eval { @@count = 2 } + module InstEval + module CVar + module Get + class ReceiverScope + @@cvar = :value_defined_in_receiver_scope + end + + class BlockDefinitionScope + @@cvar = :value_defined_in_block_definition_scope + + def block + -> * { @@cvar } + end + end + + class CallerScope + @@cvar = :value_defined_in_caller_scope + + def get_class_variable_with_string(obj) + obj.instance_eval("@@cvar") + end + + def get_class_variable_with_block(obj, block) + obj.instance_eval(&block) + end + end + + class CallerWithoutCVarScope + def get_class_variable_with_string(obj) + obj.instance_eval("@@cvar") + end + end + + ReceiverWithCVarDefinedInSingletonClass = Class.new.new.tap do |obj| + obj.singleton_class.class_variable_set(:@@cvar, :value_defined_in_receiver_singleton_class) + end + end + + module Set + class ReceiverScope + end + + class BlockDefinitionScope + def self.get_class_variable + @@cvar + end + + def block_to_assign(value) + -> * { @@cvar = value } + end + end + + class CallerScope + def self.get_class_variable + @@cvar + end + + def set_class_variable_with_string(obj, value) + obj.instance_eval("@@cvar=#{value.inspect}") + end + + def set_class_variable_with_block(obj, block) + obj.instance_eval(&block) + end + end + end + end + end + + module InstEval + module Constants + module ConstantInReceiverSingletonClass + module ReceiverScope + FOO = :ReceiverScope + + class ReceiverParent + FOO = :ReceiverParent + end + + class Receiver < ReceiverParent + FOO = :Receiver + + def initialize + self.singleton_class.const_set(:FOO, :singleton_class) + end + end + end + + module CallerScope + FOO = :CallerScope + + class CallerParent + FOO = :CallerParent + end + + class Caller < CallerParent + FOO = :Caller + + def get_constant_with_string(receiver) + receiver.instance_eval("FOO") + end + end + end + end + + module ConstantInReceiverClass + module ReceiverScope + FOO = :ReceiverScope + + class ReceiverParent + FOO = :ReceiverParent + end + + class Receiver < ReceiverParent + FOO = :Receiver + end + end + + module CallerScope + FOO = :CallerScope + + class CallerParent + FOO = :CallerParent + end + + class Caller < CallerParent + FOO = :Caller + + def get_constant_with_string(receiver) + receiver.instance_eval("FOO") + end + end + end + end + + module ConstantInCallerClass + module ReceiverScope + FOO = :ReceiverScope + + class ReceiverParent + FOO = :ReceiverParent + end + + class Receiver < ReceiverParent + # FOO is not declared in a receiver class + end + end + + module CallerScope + FOO = :CallerScope + + class CallerParent + FOO = :CallerParent + end + + class Caller < CallerParent + FOO = :Caller + + def get_constant_with_string(receiver) + receiver.instance_eval("FOO") + end + end + end + end + + module ConstantInCallerOuterScopes + module ReceiverScope + FOO = :ReceiverScope + + class ReceiverParent + FOO = :ReceiverParent + end + + class Receiver < ReceiverParent + # FOO is not declared in a receiver class + end + end + + module CallerScope + FOO = :CallerScope + + class CallerParent + FOO = :CallerParent + end + + class Caller < CallerParent + # FOO is not declared in a caller class + + def get_constant_with_string(receiver) + receiver.instance_eval("FOO") + end + end + end + end + + module ConstantInReceiverParentClass + module ReceiverScope + FOO = :ReceiverScope + + class ReceiverParent + FOO = :ReceiverParent + end + + class Receiver < ReceiverParent + # FOO is not declared in a receiver class + end + end + + module CallerScope + # FOO is not declared in a caller outer scopes + + class CallerParent + FOO = :CallerParent + end + + class Caller < CallerParent + # FOO is not declared in a caller class + + def get_constant_with_string(receiver) + receiver.instance_eval("FOO") + end + end + end + end + end end class InstEvalConst @@ -26,7 +249,6 @@ module BasicObjectSpecs module InstEvalOuter module Inner obj = InstEvalConst.new - X_BY_STR = obj.instance_eval("INST_EVAL_CONST_X") rescue nil X_BY_BLOCK = obj.instance_eval { INST_EVAL_CONST_X } rescue nil end end diff --git a/spec/ruby/core/basicobject/instance_eval_spec.rb b/spec/ruby/core/basicobject/instance_eval_spec.rb index 350b08a30e..699c965171 100644 --- a/spec/ruby/core/basicobject/instance_eval_spec.rb +++ b/spec/ruby/core/basicobject/instance_eval_spec.rb @@ -89,6 +89,18 @@ describe "BasicObject#instance_eval" do BasicObjectSpecs::IVars.new.instance_eval("@secret").should == 99 end + it "raises TypeError for frozen objects when tries to set receiver's instance variables" do + -> { nil.instance_eval { @foo = 42 } }.should raise_error(FrozenError, "can't modify frozen NilClass: nil") + -> { true.instance_eval { @foo = 42 } }.should raise_error(FrozenError, "can't modify frozen TrueClass: true") + -> { false.instance_eval { @foo = 42 } }.should raise_error(FrozenError, "can't modify frozen FalseClass: false") + -> { 1.instance_eval { @foo = 42 } }.should raise_error(FrozenError, "can't modify frozen Integer: 1") + -> { :symbol.instance_eval { @foo = 42 } }.should raise_error(FrozenError, "can't modify frozen Symbol: :symbol") + + obj = Object.new + obj.freeze + -> { obj.instance_eval { @foo = 42 } }.should raise_error(FrozenError) + end + it "treats block-local variables as local to the block" do prc = instance_eval <<-CODE proc do |x, prc| @@ -105,11 +117,6 @@ describe "BasicObject#instance_eval" do prc.call(false, prc).should == 1 end - it "sets class variables in the receiver" do - BasicObjectSpecs::InstEvalCVar.class_variables.should include(:@@count) - BasicObjectSpecs::InstEvalCVar.send(:class_variable_get, :@@count).should == 2 - end - it "makes the receiver metaclass the scoped class when used with a string" do obj = Object.new obj.instance_eval %{ @@ -119,8 +126,52 @@ describe "BasicObject#instance_eval" do obj.singleton_class.const_get(:B).should be_an_instance_of(Class) end - it "gets constants in the receiver if a string given" do - BasicObjectSpecs::InstEvalOuter::Inner::X_BY_STR.should == 2 + describe "constants lookup when a String given" do + it "looks in the receiver singleton class first" do + receiver = BasicObjectSpecs::InstEval::Constants::ConstantInReceiverSingletonClass::ReceiverScope::Receiver.new + caller = BasicObjectSpecs::InstEval::Constants::ConstantInReceiverSingletonClass::CallerScope::Caller.new + + caller.get_constant_with_string(receiver).should == :singleton_class + end + + ruby_version_is ""..."3.1" do + it "looks in the caller scope next" do + receiver = BasicObjectSpecs::InstEval::Constants::ConstantInReceiverClass::ReceiverScope::Receiver.new + caller = BasicObjectSpecs::InstEval::Constants::ConstantInReceiverClass::CallerScope::Caller.new + + caller.get_constant_with_string(receiver).should == :Caller + end + end + + ruby_version_is "3.1" do + it "looks in the receiver class next" do + receiver = BasicObjectSpecs::InstEval::Constants::ConstantInReceiverClass::ReceiverScope::Receiver.new + caller = BasicObjectSpecs::InstEval::Constants::ConstantInReceiverClass::CallerScope::Caller.new + + caller.get_constant_with_string(receiver).should == :Receiver + end + end + + it "looks in the caller class next" do + receiver = BasicObjectSpecs::InstEval::Constants::ConstantInCallerClass::ReceiverScope::Receiver.new + caller = BasicObjectSpecs::InstEval::Constants::ConstantInCallerClass::CallerScope::Caller.new + + caller.get_constant_with_string(receiver).should == :Caller + end + + it "looks in the caller outer scopes next" do + receiver = BasicObjectSpecs::InstEval::Constants::ConstantInCallerOuterScopes::ReceiverScope::Receiver.new + caller = BasicObjectSpecs::InstEval::Constants::ConstantInCallerOuterScopes::CallerScope::Caller.new + + caller.get_constant_with_string(receiver).should == :CallerScope + end + + it "looks in the receiver class hierarchy next" do + receiver = BasicObjectSpecs::InstEval::Constants::ConstantInReceiverParentClass::ReceiverScope::Receiver.new + caller = BasicObjectSpecs::InstEval::Constants::ConstantInReceiverParentClass::CallerScope::Caller.new + + caller.get_constant_with_string(receiver).should == :ReceiverParent + end end it "doesn't get constants in the receiver if a block given" do @@ -136,17 +187,51 @@ describe "BasicObject#instance_eval" do 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 an Integer" do - # Integer can take instance vars - Integer.class_eval "@@__tmp_instance_eval_spec = 1" - (defined? @@__tmp_instance_eval_spec).should be_nil + describe "class variables lookup" do + it "gets class variables in the caller class when called with a String" do + receiver = BasicObjectSpecs::InstEval::CVar::Get::ReceiverScope.new + caller = BasicObjectSpecs::InstEval::CVar::Get::CallerScope.new + + caller.get_class_variable_with_string(receiver).should == :value_defined_in_caller_scope + end + + it "gets class variables in the block definition scope when called with a block" do + receiver = BasicObjectSpecs::InstEval::CVar::Get::ReceiverScope.new + caller = BasicObjectSpecs::InstEval::CVar::Get::CallerScope.new + block = BasicObjectSpecs::InstEval::CVar::Get::BlockDefinitionScope.new.block + + caller.get_class_variable_with_block(receiver, block).should == :value_defined_in_block_definition_scope + end + + it "sets class variables in the caller class when called with a String" do + receiver = BasicObjectSpecs::InstEval::CVar::Set::ReceiverScope.new + caller = BasicObjectSpecs::InstEval::CVar::Set::CallerScope.new + + caller.set_class_variable_with_string(receiver, 1) + BasicObjectSpecs::InstEval::CVar::Set::CallerScope.get_class_variable.should == 1 + end + + it "sets class variables in the block definition scope when called with a block" do + receiver = BasicObjectSpecs::InstEval::CVar::Set::ReceiverScope.new + caller = BasicObjectSpecs::InstEval::CVar::Set::CallerScope.new + block = BasicObjectSpecs::InstEval::CVar::Set::BlockDefinitionScope.new.block_to_assign(1) + + caller.set_class_variable_with_block(receiver, block) + BasicObjectSpecs::InstEval::CVar::Set::BlockDefinitionScope.get_class_variable.should == 1 + end + + it "does not have access to class variables in the receiver class when called with a String" do + receiver = BasicObjectSpecs::InstEval::CVar::Get::ReceiverScope.new + caller = BasicObjectSpecs::InstEval::CVar::Get::CallerWithoutCVarScope.new + -> { caller.get_class_variable_with_string(receiver) }.should raise_error(NameError, /uninitialized class variable @@cvar/) + end - @@__tmp_instance_eval_spec = 2 - 1.instance_eval { @@__tmp_instance_eval_spec }.should == 2 - Integer.__send__(:remove_class_variable, :@@__tmp_instance_eval_spec) + it "does not have access to class variables in the receiver's singleton class when called with a String" do + receiver = BasicObjectSpecs::InstEval::CVar::Get::ReceiverWithCVarDefinedInSingletonClass + caller = BasicObjectSpecs::InstEval::CVar::Get::CallerWithoutCVarScope.new + -> { caller.get_class_variable_with_string(receiver) }.should raise_error(NameError, /uninitialized class variable @@cvar/) + end end -end it "raises a TypeError when defining methods on numerics" do -> do diff --git a/spec/ruby/core/basicobject/method_missing_spec.rb b/spec/ruby/core/basicobject/method_missing_spec.rb index b048780ee8..a29d4375bc 100644 --- a/spec/ruby/core/basicobject/method_missing_spec.rb +++ b/spec/ruby/core/basicobject/method_missing_spec.rb @@ -1,3 +1,4 @@ +require_relative "../../spec_helper" require_relative '../../shared/basicobject/method_missing' describe "BasicObject#method_missing" do |