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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/testIntern.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/testIntern.cpp')
-rw-r--r--js/src/jsapi-tests/testIntern.cpp51
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testIntern.cpp b/js/src/jsapi-tests/testIntern.cpp
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+++ b/js/src/jsapi-tests/testIntern.cpp
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+/* 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 "gc/GCContext.h"
+#include "gc/Marking.h"
+#include "jsapi-tests/tests.h"
+#include "util/Text.h"
+#include "vm/JSAtomUtils.h" // Atomize
+#include "vm/StringType.h"
+
+BEGIN_TEST(testAtomizedIsNotPinned) {
+ /* Try to pick a string that won't be interned by other tests in this runtime.
+ */
+ static const char someChars[] = "blah blah blah? blah blah blah";
+ JS::Rooted<JSAtom*> atom(cx,
+ js::Atomize(cx, someChars, js_strlen(someChars)));
+ CHECK(!JS_StringHasBeenPinned(cx, atom));
+
+ JS::RootedString string(cx, JS_AtomizeAndPinString(cx, someChars));
+ CHECK(string);
+ CHECK(string == atom);
+
+ CHECK(JS_StringHasBeenPinned(cx, atom));
+ return true;
+}
+END_TEST(testAtomizedIsNotPinned)
+
+struct StringWrapperStruct {
+ JSString* str;
+ bool strOk;
+} sw;
+
+BEGIN_TEST(testPinAcrossGC) {
+ sw.str = JS_AtomizeAndPinString(
+ cx, "wrapped chars that another test shouldn't be using");
+ sw.strOk = false;
+ CHECK(sw.str);
+ JS_AddFinalizeCallback(cx, FinalizeCallback, nullptr);
+ JS_GC(cx);
+ CHECK(sw.strOk);
+ return true;
+}
+
+static void FinalizeCallback(JS::GCContext* gcx, JSFinalizeStatus status,
+ void* data) {
+ if (status == JSFINALIZE_GROUP_START) {
+ sw.strOk = js::gc::IsMarkedUnbarriered(gcx->runtime(), sw.str);
+ }
+}
+END_TEST(testPinAcrossGC)