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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/jsapi-tests/testToSignedOrUnsignedInteger.cpp
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jsapi-tests/testToSignedOrUnsignedInteger.cpp')
-rw-r--r--js/src/jsapi-tests/testToSignedOrUnsignedInteger.cpp68
1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testToSignedOrUnsignedInteger.cpp b/js/src/jsapi-tests/testToSignedOrUnsignedInteger.cpp
new file mode 100644
index 0000000000..6fc82a9445
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+++ b/js/src/jsapi-tests/testToSignedOrUnsignedInteger.cpp
@@ -0,0 +1,68 @@
+/* -*- 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 <math.h>
+
+#include "js/Conversions.h"
+
+#include "jsapi-tests/tests.h"
+
+using JS::ToSignedInteger;
+using JS::ToUnsignedInteger;
+
+BEGIN_TEST(testToUint8TwiceUint8Range) {
+ double d = -256;
+ uint8_t expected = 0;
+ do {
+ CHECK(ToUnsignedInteger<uint8_t>(d) == expected);
+
+ d++;
+ expected++;
+ } while (d <= 256);
+ return true;
+}
+END_TEST(testToUint8TwiceUint8Range)
+
+BEGIN_TEST(testToInt8) {
+ double d = -128;
+ int8_t expected = -128;
+ do {
+ CHECK(ToSignedInteger<int8_t>(d) == expected);
+
+ d++;
+ expected++;
+ } while (expected < 127);
+ return true;
+}
+END_TEST(testToInt8)
+
+BEGIN_TEST(testToUint32Large) {
+ CHECK(ToUnsignedInteger<uint32_t>(pow(2.0, 83)) == 0);
+ CHECK(ToUnsignedInteger<uint32_t>(pow(2.0, 83) + pow(2.0, 31)) == (1U << 31));
+ CHECK(ToUnsignedInteger<uint32_t>(pow(2.0, 83) + 2 * pow(2.0, 31)) == 0);
+ CHECK(ToUnsignedInteger<uint32_t>(pow(2.0, 83) + 3 * pow(2.0, 31)) ==
+ (1U << 31));
+ CHECK(ToUnsignedInteger<uint32_t>(pow(2.0, 84)) == 0);
+ CHECK(ToUnsignedInteger<uint32_t>(pow(2.0, 84) + pow(2.0, 31)) == 0);
+ CHECK(ToUnsignedInteger<uint32_t>(pow(2.0, 84) + pow(2.0, 32)) == 0);
+ return true;
+}
+END_TEST(testToUint32Large)
+
+BEGIN_TEST(testToUint64Large) {
+ CHECK(ToUnsignedInteger<uint64_t>(pow(2.0, 115)) == 0);
+ CHECK(ToUnsignedInteger<uint64_t>(pow(2.0, 115) + pow(2.0, 63)) ==
+ (1ULL << 63));
+ CHECK(ToUnsignedInteger<uint64_t>(pow(2.0, 115) + 2 * pow(2.0, 63)) == 0);
+ CHECK(ToUnsignedInteger<uint64_t>(pow(2.0, 115) + 3 * pow(2.0, 63)) ==
+ (1ULL << 63));
+ CHECK(ToUnsignedInteger<uint64_t>(pow(2.0, 116)) == 0);
+ CHECK(ToUnsignedInteger<uint64_t>(pow(2.0, 116) + pow(2.0, 63)) == 0);
+ CHECK(ToUnsignedInteger<uint64_t>(pow(2.0, 116) + pow(2.0, 64)) == 0);
+ return true;
+}
+END_TEST(testToUint64Large)