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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 "jsapi-tests/tests.h"
#include "util/Text.h"
static const char16_t arr[] = u"hi, don't delete me";
static const size_t arrlen = js_strlen(arr);
static int finalized1 = 0;
static int finalized2 = 0;
struct ExternalStringCallbacks : public JSExternalStringCallbacks {
int* finalizedCount = nullptr;
explicit ExternalStringCallbacks(int* finalizedCount)
: finalizedCount(finalizedCount) {}
void finalize(char16_t* chars) const override {
MOZ_ASSERT(chars == arr);
(*finalizedCount)++;
}
size_t sizeOfBuffer(const char16_t* chars,
mozilla::MallocSizeOf mallocSizeOf) const override {
MOZ_CRASH("Unexpected call");
}
};
static const ExternalStringCallbacks callbacks1(&finalized1);
static const ExternalStringCallbacks callbacks2(&finalized2);
BEGIN_TEST(testExternalStrings) {
const unsigned N = 1000;
for (unsigned i = 0; i < N; ++i) {
CHECK(JS_NewExternalString(cx, arr, arrlen, &callbacks1));
CHECK(JS_NewExternalString(cx, arr, arrlen, &callbacks2));
}
JS_GC(cx);
// a generous fudge factor to account for strings rooted by conservative gc
const unsigned epsilon = 10;
CHECK((N - finalized1) < epsilon);
CHECK((N - finalized2) < epsilon);
return true;
}
END_TEST(testExternalStrings)