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Improve error message when subclassing non-Class

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Fixes [Bug #14726]
This commit is contained in:
Jeremy Evans 2020-07-18 08:18:39 -07:00
parent 6d05967468
commit ce9beb9d20
Notes: git 2020-11-14 00:06:56 +09:00
4 changed files with 4 additions and 4 deletions
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2
class.c
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@ -227,7 +227,7 @@ void
rb_check_inheritable(VALUE super)
{
if (!RB_TYPE_P(super, T_CLASS)) {
rb_raise(rb_eTypeError, "superclass must be a Class (%"PRIsVALUE" given)",
rb_raise(rb_eTypeError, "superclass must be an instance of Class (given an instance of %"PRIsVALUE")",
rb_obj_class(super));
}
if (RBASIC(super)->flags & FL_SINGLETON) {

2
spec/ruby/core/class/new_spec.rb
View file

@ -95,7 +95,7 @@ describe "Class.new" do
end
it "raises a TypeError when given a non-Class" do
error_msg = /superclass must be a Class/
error_msg = /superclass must be a.*Class/
-> { Class.new("") }.should raise_error(TypeError, error_msg)
-> { Class.new(1) }.should raise_error(TypeError, error_msg)
-> { Class.new(:symbol) }.should raise_error(TypeError, error_msg)

2
spec/ruby/language/class_spec.rb
View file

@ -286,7 +286,7 @@ describe "A class definition extending an object (sclass)" do
end
it "raises a TypeError when trying to extend non-Class" do
error_msg = /superclass must be a Class/
error_msg = /superclass must be a.* Class/
-> { class TestClass < ""; end }.should raise_error(TypeError, error_msg)
-> { class TestClass < 1; end }.should raise_error(TypeError, error_msg)
-> { class TestClass < :symbol; end }.should raise_error(TypeError, error_msg)

2
vm_insnhelper.c
View file

@ -4068,7 +4068,7 @@ vm_define_class(ID id, rb_num_t flags, VALUE cbase, VALUE super)
if (VM_DEFINECLASS_HAS_SUPERCLASS_P(flags) && !RB_TYPE_P(super, T_CLASS)) {
rb_raise(rb_eTypeError,
"superclass must be a Class (%"PRIsVALUE" given)",
"superclass must be an instance of Class (given an instance of %"PRIsVALUE")",
rb_obj_class(super));
}