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require 'test/unit'
class TestNameError < Test::Unit::TestCase
def test_new_default
error = NameError.new
assert_equal("NameError", error.message)
end
def test_new_message
error = NameError.new("Message")
assert_equal("Message", error.message)
end
def test_new_name
error = NameError.new("Message")
assert_nil(error.name)
error = NameError.new("Message", :foo)
assert_equal(:foo, error.name)
end
def test_new_receiver
receiver = Object.new
error = NameError.new
assert_raise(ArgumentError) {error.receiver}
assert_equal("NameError", error.message)
error = NameError.new(receiver: receiver)
assert_equal(["NameError", receiver],
[error.message, error.receiver])
error = NameError.new("Message", :foo, receiver: receiver)
assert_equal(["Message", receiver, :foo],
[error.message, error.receiver, error.name])
end
PrettyObject =
Class.new(BasicObject) do
alias object_id __id__
def pretty_inspect; "`obj'"; end
alias inspect pretty_inspect
end
def test_info_const
obj = PrettyObject.new
e = assert_raise(NameError) {
obj.instance_eval("Object")
}
assert_equal(:Object, e.name)
e = assert_raise(NameError) {
BasicObject::X
}
assert_same(BasicObject, e.receiver)
assert_equal(:X, e.name)
end
def test_info_const_name
mod = Module.new do
def self.name
"ModuleName"
end
def self.inspect
raise "<unusable info>"
end
end
assert_raise_with_message(NameError, /ModuleName/) {mod::DOES_NOT_EXIST}
end
def test_info_method
obj = PrettyObject.new
e = assert_raise(NameError) {
obj.instance_eval {foo}
}
assert_equal(:foo, e.name)
assert_same(obj, e.receiver)
e = assert_raise(NoMethodError) {
obj.foo(1, 2)
}
assert_equal(:foo, e.name)
assert_equal([1, 2], e.args)
assert_same(obj, e.receiver)
assert_not_predicate(e, :private_call?)
e = assert_raise(NoMethodError) {
obj.instance_eval {foo(1, 2)}
}
assert_equal(:foo, e.name)
assert_equal([1, 2], e.args)
assert_same(obj, e.receiver)
assert_predicate(e, :private_call?)
end
def test_info_local_variables
obj = PrettyObject.new
def obj.test(a, b=nil, *c, &d)
e = a
1.times {|f| g = foo; g}
e
end
e = assert_raise(NameError) {
obj.test(3)
}
assert_equal(:foo, e.name)
assert_same(obj, e.receiver)
assert_equal(%i[a b c d e f g], e.local_variables.sort)
end
def test_info_method_missing
obj = PrettyObject.new
def obj.method_missing(*)
super
end
e = assert_raise(NoMethodError) {
obj.foo(1, 2)
}
assert_equal(:foo, e.name)
assert_equal([1, 2], e.args)
assert_same(obj, e.receiver)
assert_not_predicate(e, :private_call?)
e = assert_raise(NoMethodError) {
obj.instance_eval {foo(1, 2)}
}
assert_equal(:foo, e.name)
assert_equal([1, 2], e.args)
assert_same(obj, e.receiver)
assert_predicate(e, :private_call?)
end
def test_info_parent_iseq_mark
assert_separately(['-', File.join(__dir__, 'bug-11928.rb')], <<-'end;')
-> {require ARGV[0]}.call
end;
end
def test_large_receiver_inspect
receiver = Class.new do
def self.inspect
'A' * 120
end
end
error = assert_raise(NameError) do
receiver::FOO
end
assert_match /\Auninitialized constant #{'A' * 120}::FOO$/, error.message
end
end
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