uox3/spidermonkey/jsapi-tests/testSameValue.cpp
2025-03-19 21:25:58 +10:00

24 lines
701 B
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sw=4 et tw=99:
*/
#include "tests.h"
BEGIN_TEST(testSameValue)
{
/*
* NB: passing a double that fits in an integer jsval is API misuse. As a
* matter of defense in depth, however, JS_SameValue should return the
* correct result comparing a positive-zero double to a negative-zero
* double, and this is believed to be the only way to make such a
* comparison possible.
*/
jsval v1 = DOUBLE_TO_JSVAL(0.0);
jsval v2 = DOUBLE_TO_JSVAL(-0.0);
JSBool same;
CHECK(JS_SameValue(cx, v1, v2, &same));
CHECK(!same);
return true;
}
END_TEST(testSameValue)