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require 'test/unit'
class TestNoMethodError < Test::Unit::TestCase
def test_new_default
error = NoMethodError.new
assert_equal("NoMethodError", error.message)
end
def test_new_message
error = NoMethodError.new("Message")
assert_equal("Message", error.message)
end
def test_new_name
error = NoMethodError.new("Message")
assert_nil(error.name)
error = NoMethodError.new("Message", :foo)
assert_equal(:foo, error.name)
end
def test_new_name_args
error = NoMethodError.new("Message", :foo)
assert_nil(error.args)
error = NoMethodError.new("Message", :foo, [1, 2])
assert_equal([:foo, [1, 2]], [error.name, error.args])
end
def test_new_name_args_priv
error = NoMethodError.new("Message", :foo, [1, 2])
assert_not_predicate(error, :private_call?)
error = NoMethodError.new("Message", :foo, [1, 2], true)
assert_equal([:foo, [1, 2], true],
[error.name, error.args, error.private_call?])
end
def test_new_receiver
receiver = Object.new
error = NoMethodError.new
assert_raise(ArgumentError) {error.receiver}
error = NoMethodError.new(receiver: receiver)
assert_equal(receiver, error.receiver)
error = NoMethodError.new("Message")
assert_raise(ArgumentError) {error.receiver}
error = NoMethodError.new("Message", receiver: receiver)
assert_equal(["Message", receiver],
[error.message, error.receiver])
error = NoMethodError.new("Message", :foo)
assert_raise(ArgumentError) {error.receiver}
msg = "Message"
error = NoMethodError.new("Message", :foo, receiver: receiver)
assert_match msg, error.message
assert_equal :foo, error.name
assert_equal receiver, error.receiver
error = NoMethodError.new("Message", :foo, [1, 2])
assert_raise(ArgumentError) {error.receiver}
error = NoMethodError.new("Message", :foo, [1, 2], receiver: receiver)
assert_match msg, error.message
assert_equal :foo, error.name
assert_equal [1, 2], error.args
assert_equal receiver, error.receiver
error = NoMethodError.new("Message", :foo, [1, 2], true)
assert_raise(ArgumentError) {error.receiver}
error = NoMethodError.new("Message", :foo, [1, 2], true, receiver: receiver)
assert_equal :foo, error.name
assert_equal [1, 2], error.args
assert_equal receiver, error.receiver
assert error.private_call?, "private_call? was false."
end
def test_message_encoding
bug3237 = '[ruby-core:29948]'
str = "\u2600"
id = :"\u2604"
msg = "undefined method '#{id}' for an instance of String"
assert_raise_with_message(NoMethodError, Regexp.compile(Regexp.quote(msg)), bug3237) do
str.__send__(id)
end
end
def test_to_s
pre = Module.new do
def name
BasicObject.new
end
end
mod = Module.new
mod.singleton_class.prepend(pre)
err = assert_raise(NoMethodError) do
mod.this_method_does_not_exist
end
assert_match(/undefined method.+this_method_does_not_exist.+for.+Module/, err.to_s)
end
def test_send_forward_raises
t = EnvUtil.labeled_class("Test") do
def foo(...)
forward(...)
end
end
obj = t.new
assert_raise(NoMethodError) do
obj.foo
end
end
# [Bug #21535]
def test_send_forward_raises_when_called_through_vcall
t = EnvUtil.labeled_class("Test") do
def foo(...)
forward(...)
end
def foo_indirect
foo # vcall
end
end
obj = t.new
assert_raise(NoMethodError) do
obj.foo_indirect
end
end
end
|
