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# frozen_string_literal: true
require_relative "test_helper"
module Prism
class AttributeWriteTest < TestCase
module Target
def self.value
2
end
def self.value=(value)
2
end
def self.[]=(index, value)
2
end
end
def test_named_call_with_operator
assert_attribute_write("Target.value = 1")
end
def test_named_call_without_operator
assert_attribute_write("Target.value=(1)")
end
def test_indexed_call_with_operator
assert_attribute_write("Target[0] = 1")
end
def test_indexed_call_without_operator
refute_attribute_write("Target.[]=(0, 1)")
end
def test_comparison_operators
refute_attribute_write("Target.value == 1")
refute_attribute_write("Target.value === 1")
end
private
def parse(source)
Prism.parse(source).value.statements.body.first
end
def assert_attribute_write(source)
call = parse(source)
assert(call.attribute_write?)
assert_equal(1, eval(source))
end
def refute_attribute_write(source)
call = parse(source)
refute(call.attribute_write?)
refute_equal(1, eval(source))
end
end
end
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