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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/jsapi-tests/testSameValue.cpp
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jsapi-tests/testSameValue.cpp')
-rw-r--r--js/src/jsapi-tests/testSameValue.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testSameValue.cpp b/js/src/jsapi-tests/testSameValue.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "js/Equality.h" // JS::SameValue
+#include "jsapi-tests/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.
+ */
+ JS::RootedValue v1(cx, JS::DoubleValue(0.0));
+ JS::RootedValue v2(cx, JS::DoubleValue(-0.0));
+ bool same;
+ CHECK(JS::SameValue(cx, v1, v2, &same));
+ CHECK(!same);
+ return true;
+}
+END_TEST(testSameValue)