Merge response-stream-construction.js to response.js

third_party/WebKit/LayoutTests/http/tests/fetch/script-tests/response.js

 if (self.importScripts) {
   importScripts('../resources/fetch-test-helpers.js');
   importScripts('/streams/resources/rs-utils.js');
 }
 
 function decode(chunks) {
   var decoder = new TextDecoder();
   var result = '';
   for (var chunk of chunks) {
     result += decoder.decode(chunk, {stream: true});
@@ skipping 448 matching lines @@
 
 test(function() {
     ['http://ex\x0aample.com',
      'http://ex\x0dample.com'].forEach(function(url) {
         assert_equals(Response.redirect(url).headers.get('Location'),
                       'http://example.com/',
                       'Location header value must not contain CR or LF');
       });
   }, 'Response.redirect() with URLs with CR or LF');
 
+test(() => {
+    var controller;
+    var stream = new ReadableStream({start: c => controller = c});
+
+    var response = new Response(stream);
+    assert_equals(response.body, stream);
+  }, 'Response constructed with a stream');
+
+promise_test(() => {
+    var controller;
+    var stream = new ReadableStream({start: c => controller = c});
+    controller.enqueue(new Uint8Array([0x68, 0x65, 0x6c, 0x6c, 0x6f]));
+    controller.enqueue(new Uint8Array([0x77, 0x6f, 0x72, 0x6c, 0x64]));
+    controller.close();
+    assert_false(stream.locked);
+    var response = new Response(stream);
+    var p = response.text().then(t => {
+        assert_equals(t, 'helloworld');
+      });
+    assert_true(stream.locked);
+    return p;
+  }, 'Response constructed with a stream');
+
+promise_test(() => {
+    var controller;
+    var stream = new ReadableStream({start: c => controller = c});
+    controller.enqueue(new Uint8Array([0x68, 0x65, 0x6c, 0x6c, 0x6f]));
+    controller.enqueue(new Uint8Array([0x77, 0x6f, 0x72, 0x6c, 0x64]));
+    controller.close();
+
+    var response = new Response(stream);
+    return readableStreamToArray(response.body).then(chunks => {
+        var decoder = new TextDecoder('utf-8');
+        var r = '';
+        for (var chunk of chunks) {
+          r += decoder.decode(chunk, {stream: true});
+        }
+        r += decoder.decode();
+        assert_equals(r, 'helloworld');
+      });
+  }, 'Response constructed with a stream / Read from body stream');
+
+promise_test(t => {
+    var controller;
+    var stream = new ReadableStream({start: c => controller = c});
+    setTimeout(() => {
+        controller.enqueue(new Uint8Array([0x68, 0x65, 0x6c, 0x6c, 0x6f]));
+        controller.enqueue(new Uint8Array([0x77, 0x6f, 0x72, 0x6c, 0x64]));
+        controller.error();
+    }, 1);
+    var response = new Response(stream);
+    return promise_rejects(t, TypeError(), response.text());
+  }, 'Response constructed with an errored stream');
+
+promise_test(t => {
+    var controller;
+    var stream = new ReadableStream({start: c => controller = c});
+    stream.getReader();
+    var response = new Response(stream);
+    return promise_rejects(t, TypeError(), response.text());
+  }, 'Response constructed with a locked stream');
+
+promise_test(t => {
+    var controller;
+    var stream = new ReadableStream({start: c => controller = c});
+    setTimeout(() => controller.enqueue(), 1);
+    var response = new Response(stream);
+    return promise_rejects(t, TypeError(), response.text());
+  }, 'Response constructed stream with an undefined chunk');
+
+promise_test(t => {
+    var controller;
+    var stream = new ReadableStream({start: c => controller = c});
+    setTimeout(() => controller.enqueue(null), 1);
+    var response = new Response(stream);
+    return promise_rejects(t, TypeError(), response.text());
+  }, 'Response constructed stream with a null chunk');
+
+promise_test(t => {
+    var controller;
+    var stream = new ReadableStream({start: c => controller = c});
+    setTimeout(() => controller.enqueue('hello'), 1);
+    var response = new Response(stream);
+    return promise_rejects(t, TypeError(), response.text());
+  }, 'Response constructed stream with a string chunk');
+
 done();