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Diffstat (limited to '')
-rw-r--r-- | js/src/jsapi-tests/testIntern.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testIntern.cpp b/js/src/jsapi-tests/testIntern.cpp new file mode 100644 index 0000000000..4c3719ecf6 --- /dev/null +++ b/js/src/jsapi-tests/testIntern.cpp @@ -0,0 +1,51 @@ +/* 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) |