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description(
"This test checks that toString() does not have a problem when an object has itself as a property."
);

// Array (elements)
shouldBe("var array = []; array[0] = array; array + ''", "''");

// Error (name, message)
shouldBe("var error = new Error; error.name = error; error.message = error; error + ''", "''");

// RegExp (source)
shouldBe("var regexp = /a/; regexp.source = regexp; regexp + ''", "'/a/'");