From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- js/src/jsapi-tests/testValueABI.cpp | 53 +++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 js/src/jsapi-tests/testValueABI.cpp (limited to 'js/src/jsapi-tests/testValueABI.cpp') diff --git a/js/src/jsapi-tests/testValueABI.cpp b/js/src/jsapi-tests/testValueABI.cpp new file mode 100644 index 0000000000..298bd7dd99 --- /dev/null +++ b/js/src/jsapi-tests/testValueABI.cpp @@ -0,0 +1,53 @@ +/* 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/GlobalObject.h" +#include "jsapi-tests/tests.h" + +/* + * Bug 689101 - jsval is technically a non-POD type because it has a private + * data member. On gcc, this doesn't seem to matter. On MSVC, this prevents + * returning a jsval from a function between C and C++ because it will use a + * retparam in C++ and a direct return value in C. + * + * Bug 712289 - jsval alignment was different on 32-bit platforms between C and + * C++ because the default alignments of js::Value and jsval_layout differ. + */ + +extern "C" { + +extern bool C_ValueToObject(JSContext* cx, jsval v, JSObject** obj); + +extern jsval C_GetEmptyStringValue(JSContext* cx); + +extern size_t C_jsvalAlignmentTest(); +} + +BEGIN_TEST(testValueABI_retparam) { + JS::RootedObject obj(cx, JS::CurrentGlobalOrNull(cx)); + RootedValue v(cx, ObjectValue(*obj)); + obj = nullptr; + CHECK(C_ValueToObject(cx, v, obj.address())); + bool equal; + RootedValue v2(cx, ObjectValue(*obj)); + CHECK(JS_StrictlyEqual(cx, v, v2, &equal)); + CHECK(equal); + + v = C_GetEmptyStringValue(cx); + CHECK(v.isString()); + + return true; +} +END_TEST(testValueABI_retparam) + +BEGIN_TEST(testValueABI_alignment) { + typedef struct { + char c; + jsval v; + } AlignTest; + CHECK(C_jsvalAlignmentTest() == sizeof(AlignTest)); + + return true; +} +END_TEST(testValueABI_alignment) -- cgit v1.2.3