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https://github.com/DoneJS-Runtime/quickjs-done-nextgen.git
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Implement Iterator.prototype.take (#676)
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parent
487129055f
commit
0362c0a4eb
2 changed files with 71 additions and 59 deletions
78
quickjs.c
78
quickjs.c
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@ -40060,9 +40060,10 @@ static JSValue js_iterator_proto_drop(JSContext *ctx, JSValue this_val,
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if (JS_ToInt64Free(ctx, &limit, v))
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return JS_EXCEPTION;
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}
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if (limit < 0)
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if (limit < 0) {
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fail:
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return JS_ThrowRangeError(ctx, "must be positive");
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}
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return js_create_iterator_helper(ctx, this_val, JS_ITERATOR_HELPER_KIND_DROP, JS_UNDEFINED, limit);
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}
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@ -40373,7 +40374,41 @@ exception:
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static JSValue js_iterator_proto_take(JSContext *ctx, JSValue this_val,
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int argc, JSValue *argv)
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{
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return JS_ThrowInternalError(ctx, "TODO implement Iterator.prototype.take");
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JSValue v;
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double dlimit;
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int64_t limit;
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if (!JS_IsObject(this_val))
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return JS_ThrowTypeError(ctx, "Iterator.prototype.take called on non-object");
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v = JS_ToNumber(ctx, argv[0]);
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if (JS_IsException(v))
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return JS_EXCEPTION;
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// Check for Infinity.
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if (JS_ToFloat64(ctx, &dlimit, v)) {
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JS_FreeValue(ctx, v);
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return JS_EXCEPTION;
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}
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if (isnan(dlimit)) {
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JS_FreeValue(ctx, v);
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goto fail;
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}
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if (!isfinite(dlimit)) {
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JS_FreeValue(ctx, v);
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if (dlimit < 0)
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goto fail;
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else
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limit = MAX_SAFE_INTEGER;
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} else {
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v = JS_ToIntegerFree(ctx, v);
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if (JS_IsException(v))
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return JS_EXCEPTION;
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if (JS_ToInt64Free(ctx, &limit, v))
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return JS_EXCEPTION;
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}
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if (limit < 0) {
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fail:
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return JS_ThrowRangeError(ctx, "must be positive");
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}
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return js_create_iterator_helper(ctx, this_val, JS_ITERATOR_HELPER_KIND_TAKE, JS_UNDEFINED, limit);
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}
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static JSValue js_iterator_proto_toArray(JSContext *ctx, JSValue this_val,
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@ -40490,12 +40525,14 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValue this_val,
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JSIteratorHelperData *it;
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JSValue ret;
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*pdone = FALSE;
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it = JS_GetOpaque2(ctx, this_val, JS_CLASS_ITERATOR_HELPER);
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if (!it)
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goto fail;
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if (it->executing)
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return JS_ThrowTypeError(ctx, "cannot invoke a running iterator");
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if (magic == GEN_MAGIC_RETURN && it->done)
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if (it->done)
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return JS_UNDEFINED;
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it->executing = TRUE;
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@ -40536,6 +40573,34 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValue this_val,
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goto done;
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}
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break;
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case JS_ITERATOR_HELPER_KIND_TAKE:
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{
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JSValue item, method;
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if (it->limit > 0) {
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if (magic == GEN_MAGIC_NEXT) {
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method = js_dup(it->next);
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} else {
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method = JS_GetProperty(ctx, it->obj, JS_ATOM_return);
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if (JS_IsException(method))
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goto fail;
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}
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it->limit--;
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item = JS_IteratorNext(ctx, it->obj, method, 0, NULL, pdone);
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JS_FreeValue(ctx, method);
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if (JS_IsException(item))
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goto fail;
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ret = item;
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goto done;
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}
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*pdone = TRUE;
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if (JS_IteratorClose(ctx, it->obj, FALSE))
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ret = JS_EXCEPTION;
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else
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ret = JS_UNDEFINED;
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goto done;
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}
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break;
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default:
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abort();
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}
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@ -40545,13 +40610,12 @@ done:
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it->executing = FALSE;
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return ret;
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fail:
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it->executing = FALSE;
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if (it && JS_IsObject(it->obj)) {
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if (it) {
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/* close the iterator object, preserving pending exception */
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JS_IteratorClose(ctx, it->obj, TRUE);
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}
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*pdone = FALSE;
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return JS_EXCEPTION;
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ret = JS_EXCEPTION;
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goto done;
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}
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static JSValue js_create_iterator_helper(JSContext *ctx, JSValue iterator,
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@ -216,58 +216,6 @@ test262/test/built-ins/Iterator/prototype/map/underlying-iterator-closed-in-para
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test262/test/built-ins/Iterator/prototype/map/underlying-iterator-closed-in-parallel.js:19: strict mode: InternalError: TODO implement Iterator.prototype.map
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test262/test/built-ins/Iterator/prototype/map/underlying-iterator-closed.js:21: InternalError: TODO implement Iterator.prototype.map
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test262/test/built-ins/Iterator/prototype/map/underlying-iterator-closed.js:21: strict mode: InternalError: TODO implement Iterator.prototype.map
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test262/test/built-ins/Iterator/prototype/take/argument-effect-order.js:24: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/argument-effect-order.js:24: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/callable.js:10: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/callable.js:10: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/exhaustion-calls-return.js:35: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/exhaustion-calls-return.js:35: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/get-next-method-only-once.js:38: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/get-next-method-only-once.js:38: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/get-next-method-throws.js:17: Test262Error: Expected a Test262Error but got a InternalError
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test262/test/built-ins/Iterator/prototype/take/get-next-method-throws.js:17: strict mode: Test262Error: Expected a Test262Error but got a InternalError
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test262/test/built-ins/Iterator/prototype/take/get-return-method-throws.js:25: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/get-return-method-throws.js:25: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/limit-greater-than-or-equal-to-total.js:23: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/limit-greater-than-or-equal-to-total.js:23: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/limit-less-than-total.js:25: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/limit-less-than-total.js:25: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/limit-rangeerror.js:18: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/limit-rangeerror.js:18: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/limit-tonumber-throws.js:16: Test262Error: Expected a Test262Error but got a InternalError
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test262/test/built-ins/Iterator/prototype/take/limit-tonumber-throws.js:16: strict mode: Test262Error: Expected a Test262Error but got a InternalError
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test262/test/built-ins/Iterator/prototype/take/limit-tonumber.js:23: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/limit-tonumber.js:23: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/next-method-returns-non-object.js:21: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/next-method-returns-non-object.js:21: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/next-method-returns-throwing-done.js:32: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/next-method-returns-throwing-done.js:32: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/next-method-returns-throwing-value-done.js:30: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/next-method-returns-throwing-value-done.js:30: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/next-method-returns-throwing-value.js:32: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/next-method-returns-throwing-value.js:32: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/next-method-throws.js:21: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/next-method-throws.js:21: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/result-is-iterator.js:11: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/result-is-iterator.js:11: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/return-is-forwarded.js:28: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/return-is-forwarded.js:28: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/return-is-not-forwarded-after-exhaustion.js:27: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/return-is-not-forwarded-after-exhaustion.js:27: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/this-non-callable-next.js:15: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/this-non-callable-next.js:15: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/this-non-object.js:22: Test262Error: Expected a TypeError but got a InternalError
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test262/test/built-ins/Iterator/prototype/take/this-non-object.js:22: strict mode: Test262Error: Expected a TypeError but got a InternalError
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test262/test/built-ins/Iterator/prototype/take/this-plain-iterator.js:25: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/this-plain-iterator.js:25: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/throws-typeerror-when-generator-is-running.js:33: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/throws-typeerror-when-generator-is-running.js:33: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/underlying-iterator-advanced-in-parallel.js:19: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/underlying-iterator-advanced-in-parallel.js:19: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/underlying-iterator-closed-in-parallel.js:19: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/underlying-iterator-closed-in-parallel.js:19: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/underlying-iterator-closed.js:21: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/Iterator/prototype/take/underlying-iterator-closed.js:21: strict mode: InternalError: TODO implement Iterator.prototype.take
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test262/test/built-ins/RegExp/property-escapes/generated/Alphabetic.js:16: Test262Error: `\P{Alphabetic}` should match U+000363 (`ͣ`)
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test262/test/built-ins/RegExp/property-escapes/generated/Alphabetic.js:16: strict mode: Test262Error: `\P{Alphabetic}` should match U+000363 (`ͣ`)
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test262/test/built-ins/RegExp/property-escapes/generated/Assigned.js:16: Test262Error: `\P{Assigned}` should match U+001B7F (``)
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