| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Request clone</title> |
| <meta name="help" href="https://fetch.spec.whatwg.org/#request"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script src="/fetch/api/resources/utils.js"></script> |
| <script> |
| var body = "This is request body"; |
| var headersInit = { "name" : "value" }; |
| var requestInit = { "body" : body, |
| "method" : "POST", |
| "headers" : headersInit |
| }; |
| var request = new Request("", requestInit); |
| var clonedRequest = request.clone(); |
| |
| promise_test(function(test) { |
| return validateStreamFromString(request.body.getReader(), body); |
| }, "Check orginal request's body after cloning"); |
| |
| promise_test(function(test) { |
| return validateStreamFromString(clonedRequest.body.getReader(), body); |
| }, "Check cloned request's body"); |
| |
| function testReadableStreamClone(initialBuffer, bufferType) |
| { |
| promise_test(function(test) { |
| var request = new Request("", {"method" : "POST", "body" : new ReadableStream({start : function(controller) { |
| controller.enqueue(initialBuffer); |
| controller.close(); |
| }})}); |
| |
| var clone = request.clone(); |
| var stream1 = request.body; |
| var stream2 = clone.body; |
| |
| var buffer; |
| return stream1.getReader().read().then(function(data) { |
| assert_false(data.done); |
| assert_true(data.value === initialBuffer, "Buffer of being-cloned response stream is the same as the original buffer"); |
| return stream2.getReader().read(); |
| }).then(function(data) { |
| assert_false(data.done); |
| assert_array_equals(data.value, initialBuffer, "Cloned buffer chunks have the same content"); |
| assert_equals(Object.getPrototypeOf(data.value), Object.getPrototypeOf(initialBuffer), "Cloned buffers have the same type"); |
| assert_true(data.value !== initialBuffer, "Buffer of cloned response stream is a clone of the original buffer"); |
| }); |
| }, "Check request clone use structureClone for teed ReadableStreams (" + bufferType + "chunk)"); |
| } |
| |
| var arrayBuffer = new ArrayBuffer(16); |
| testReadableStreamClone(new Int8Array(arrayBuffer, 1), "Int8Array"); |
| testReadableStreamClone(new Int16Array(arrayBuffer, 2, 2), "Int16Array"); |
| testReadableStreamClone(new Int32Array(arrayBuffer), "Int32Array"); |
| testReadableStreamClone(arrayBuffer, "ArrayBuffer"); |
| testReadableStreamClone(new Uint8Array(arrayBuffer), "Uint8Array"); |
| testReadableStreamClone(new Uint8ClampedArray(arrayBuffer), "Uint8ClampedArray"); |
| testReadableStreamClone(new Uint16Array(arrayBuffer, 2), "Uint16Array"); |
| testReadableStreamClone(new Uint32Array(arrayBuffer), "Uint32Array"); |
| testReadableStreamClone(new Float32Array(arrayBuffer), "Float32Array"); |
| testReadableStreamClone(new Float64Array(arrayBuffer), "Float64Array"); |
| testReadableStreamClone(new DataView(arrayBuffer, 2, 8), "DataView"); |
| </script> |
| </body> |
| </html> |
