Add queueMicrotask
Ref: https://github.com/quickjs-ng/quickjs/issues/16
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3 changed files with 102 additions and 0 deletions
1
Makefile
1
Makefile
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@ -64,6 +64,7 @@ test: build
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$(QJS) tests/test_loop.js
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$(QJS) tests/test_loop.js
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$(QJS) tests/test_std.js
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$(QJS) tests/test_std.js
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$(QJS) tests/test_worker.js
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$(QJS) tests/test_worker.js
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$(QJS) tests/test_queue_microtask.js
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test262: build
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test262: build
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$(RUN262) -m -c test262.conf -a
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$(RUN262) -m -c test262.conf -a
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17
quickjs.c
17
quickjs.c
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@ -33745,6 +33745,22 @@ static JSValue js_global_isFinite(JSContext *ctx, JSValueConst this_val,
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return JS_NewBool(ctx, res);
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return JS_NewBool(ctx, res);
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}
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}
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static JSValue js_microtask_job(JSContext *ctx,
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int argc, JSValueConst *argv)
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{
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return JS_Call(ctx, argv[0], ctx->global_obj, 0, NULL);
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}
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static JSValue js_global_queueMicrotask(JSContext *ctx, JSValueConst this_val,
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int argc, JSValueConst *argv)
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{
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if (check_function(ctx, argv[0]))
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return JS_EXCEPTION;
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if (JS_EnqueueJob(ctx, js_microtask_job, 1, &argv[0]))
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return JS_EXCEPTION;
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return JS_UNDEFINED;
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}
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/* Object class */
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/* Object class */
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static JSValue JS_ToObject(JSContext *ctx, JSValueConst val)
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static JSValue JS_ToObject(JSContext *ctx, JSValueConst val)
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@ -45683,6 +45699,7 @@ static const JSCFunctionListEntry js_global_funcs[] = {
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JS_CFUNC_DEF("parseFloat", 1, js_parseFloat ),
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JS_CFUNC_DEF("parseFloat", 1, js_parseFloat ),
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JS_CFUNC_DEF("isNaN", 1, js_global_isNaN ),
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JS_CFUNC_DEF("isNaN", 1, js_global_isNaN ),
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JS_CFUNC_DEF("isFinite", 1, js_global_isFinite ),
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JS_CFUNC_DEF("isFinite", 1, js_global_isFinite ),
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JS_CFUNC_DEF("queueMicrotask", 1, js_global_queueMicrotask ),
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JS_CFUNC_MAGIC_DEF("decodeURI", 1, js_global_decodeURI, 0 ),
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JS_CFUNC_MAGIC_DEF("decodeURI", 1, js_global_decodeURI, 0 ),
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JS_CFUNC_MAGIC_DEF("decodeURIComponent", 1, js_global_decodeURI, 1 ),
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JS_CFUNC_MAGIC_DEF("decodeURIComponent", 1, js_global_decodeURI, 1 ),
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84
tests/test_queue_microtask.js
Normal file
84
tests/test_queue_microtask.js
Normal file
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@ -0,0 +1,84 @@
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function assert(actual, expected, message) {
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if (arguments.length == 1)
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expected = true;
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if (actual === expected)
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return;
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if (actual !== null && expected !== null
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&& typeof actual == 'object' && typeof expected == 'object'
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&& actual.toString() === expected.toString())
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return;
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throw Error("assertion failed: got |" + actual + "|" +
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", expected |" + expected + "|" +
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(message ? " (" + message + ")" : ""));
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}
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function assert_throws(expected_error, func)
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{
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var err = false;
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try {
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func();
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} catch(e) {
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err = true;
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if (!(e instanceof expected_error)) {
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throw Error("unexpected exception type");
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}
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}
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if (!err) {
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throw Error("expected exception");
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}
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}
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function assert_array_equals(a, b) {
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if (!Array.isArray(a) || !Array.isArray(b))
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return assert(false);
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assert(a.length === b.length);
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a.forEach((value, idx) => {
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assert(b[idx] === value);
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});
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}
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// load more elaborate version of assert if available
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try { std.loadScript("test_assert.js"); } catch(e) {}
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function test_types() {
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assert_throws(TypeError, () => queueMicrotask(), "no argument");
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assert_throws(TypeError, () => queueMicrotask(undefined), "undefined");
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assert_throws(TypeError, () => queueMicrotask(null), "null");
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assert_throws(TypeError, () => queueMicrotask(0), "0");
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assert_throws(TypeError, () => queueMicrotask({ handleEvent() { } }), "an event handler object");
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assert_throws(TypeError, () => queueMicrotask("window.x = 5;"), "a string");
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}
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function test_async() {
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let called = false;
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queueMicrotask(() => {
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called = true;
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});
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assert(!called);
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}
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function test_arguments() {
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queueMicrotask(function () { // note: intentionally not an arrow function
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assert(arguments.length === 0);
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}, "x", "y");
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};
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function test_async_order() {
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const happenings = [];
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Promise.resolve().then(() => happenings.push("a"));
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queueMicrotask(() => happenings.push("b"));
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Promise.reject().catch(() => happenings.push("c"));
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queueMicrotask(() => {
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assert_array_equals(happenings, ["a", "b", "c"]);
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});
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}
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test_types();
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test_async();
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test_arguments();
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test_async_order();
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