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<!DOCTYPE html>
<meta charset="utf-8">
<title>WebAssembly.instantiateStreaming</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script>
promise_test(async function() {
const response = await fetch('resources/incrementer.wasm');
const { instance, module } = await WebAssembly.instantiateStreaming(response);
assert_true(instance instanceof WebAssembly.Instance);
assert_true(module instanceof WebAssembly.Module);
}, "instantiateStreaming using resolved response");
promise_test(async function() {
const response = await fetch('resources/incrementer.wasm');
const { instance } = await WebAssembly.instantiateStreaming(response);
assert_true(instance instanceof WebAssembly.Instance);
}, "instantiateStreaming using resolved response and check instantiate");
promise_test(async function() {
const result = fetch('resources/incrementer.wasm');
const { instance } = await WebAssembly.instantiateStreaming(result);
assert_true(instance instanceof WebAssembly.Instance);
}, "instantiateStreaming using promise response from fetch and check instantiate");
promise_test(async function(t) {
const result = fetch('resources/incrementer.wrong_mime_type.wasm');
await promise_rejects_js(t, TypeError, WebAssembly.instantiateStreaming(result));
}, "instantiateStreaming raise error if wrong mime type");
promise_test(async function(t) {
const result = fetch('resources/incrementer.no_mime_type.wasm?pipe=header(Content-Type,)');
await promise_rejects_js(t, TypeError, WebAssembly.instantiateStreaming(result));
}, "instantiateStreaming raise error if no mime type");
promise_test(async function(t) {
const result = fetch('webapi/status.py?status=404');
await promise_rejects_js(t, TypeError, WebAssembly.instantiateStreaming(result));
}, "instantiateStreaming raise error if 404 status");
const getWasmUrl = fileName => {
const host_info = get_host_info();
const url = host_info.HTTP_ORIGIN_WITH_DIFFERENT_PORT + '/wasm/webapi/';
return url + fileName + "?pipe=header(Access-Control-Allow-Origin,*)";
};
promise_test(async function() {
const result = fetch(getWasmUrl('resources/incrementer.wasm'), {"mode": "cors"} );
const { instance } = await WebAssembly.instantiateStreaming(result);
assert_true(instance instanceof WebAssembly.Instance);
}, "instantiateStreaming check CORS");
promise_test(async function(t) {
const result = fetch(getWasmUrl('resources/incrementer.wasm'), {"mode": "no-cors"} );
await promise_rejects_js(t, TypeError, WebAssembly.instantiateStreaming(result));
}, "instantiateStreaming raise error if no-cors");
promise_test(async function() {
const v = await fetch('resources/incrementer.wasm');
const buffer = await v.arrayBuffer();
const response = new Response(buffer, { headers: { "Content-Type" : "application/wasm" }});
const { instance } = await WebAssembly.instantiateStreaming(response);
assert_true(instance instanceof WebAssembly.Instance);
}, "instantiateStreaming receive promise with response created from ArrayBuffer");
promise_test(async function() {
const v = await fetch('resources/incrementer.wasm');
const buffer = await v.arrayBuffer();
const stream = new ReadableStream({
start(controller) {
(async () => {
await Promise.resolve().then(() => controller.enqueue(new Uint8Array(buffer.slice(0, 20))));
await Promise.resolve().then(() => controller.enqueue(new Uint8Array(buffer.slice(20, buffer.byteLength))));
await Promise.resolve().then(() => controller.close());
})();
}
});
const response = new Response(stream, { headers: { "Content-Type" : "application/wasm" }});
const { instance } = await WebAssembly.instantiateStreaming(response);
assert_true(instance instanceof WebAssembly.Instance);
}, "instantiateStreaming using ReadableStream with Uint8Array chunks");
promise_test(async function(t) {
const v = await fetch('resources/incrementer.wasm');
const buffer = await v.arrayBuffer();
const stream = new ReadableStream({
start(controller) {
// Enqueuing an ArrayBuffer rather a Uint8Array per
// https://streams.spec.whatwg.org/#read-loop
controller.enqueue(buffer);
controller.close();
}
});
const response = new Response(stream, { headers: { "Content-Type" : "application/wasm" }});
await promise_rejects_js(t, TypeError, WebAssembly.instantiateStreaming(response));
}, "instantiateStreaming using ReadableStream with ArrayBuffer chunk");
promise_test(async function() {
const response = await fetch('resources/incrementer.wasm');
const blob = await response.blob();
const { instance, module } = await WebAssembly.instantiateStreaming(new Response(blob, { headers: { "Content-Type" : "application/wasm" }}));
assert_true(instance instanceof WebAssembly.Instance);
assert_true(module instanceof WebAssembly.Module);
}, "instantiateStreaming using blob");
promise_test(async function(t) {
const response = await fetch('resources/incrementer.wasm');
const blob = await response.blob();
const formData = new FormData;
formData.append('blob', blob);
formData.append('blob2', "Hello");
await promise_rejects_js(t, WebAssembly.CompileError, WebAssembly.instantiateStreaming(new Response(formData, { headers: { "Content-Type" : "application/wasm" }})));
}, "instantiateStreaming using FormData");
</script>
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