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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/190166">190166</a></dd>
<dt>Author</dt> <dd>calvaris@igalia.com</dd>
<dt>Date</dt> <dd>2015-09-23 04:27:58 -0700 (Wed, 23 Sep 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>[Streams API] Added transform stream error tests
https://bugs.webkit.org/show_bug.cgi?id=149266

Reviewed by Darin Adler.

* streams/reference-implementation/transform-stream-errors-expected.txt: Added.
* streams/reference-implementation/transform-stream-errors.html: Added.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsstreamsreferenceimplementationtransformstreamerrorsexpectedtxt">trunk/LayoutTests/streams/reference-implementation/transform-stream-errors-expected.txt</a></li>
<li><a href="#trunkLayoutTestsstreamsreferenceimplementationtransformstreamerrorshtml">trunk/LayoutTests/streams/reference-implementation/transform-stream-errors.html</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (190165 => 190166)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2015-09-23 11:25:03 UTC (rev 190165)
+++ trunk/LayoutTests/ChangeLog        2015-09-23 11:27:58 UTC (rev 190166)
</span><span class="lines">@@ -1,5 +1,15 @@
</span><span class="cx"> 2015-09-23  Xabier Rodriguez Calvar  &lt;calvaris@igalia.com&gt;
</span><span class="cx"> 
</span><ins>+        [Streams API] Added transform stream error tests
+        https://bugs.webkit.org/show_bug.cgi?id=149266
+
+        Reviewed by Darin Adler.
+
+        * streams/reference-implementation/transform-stream-errors-expected.txt: Added.
+        * streams/reference-implementation/transform-stream-errors.html: Added.
+
+2015-09-23  Xabier Rodriguez Calvar  &lt;calvaris@igalia.com&gt;
+
</ins><span class="cx">         [Streams API] Added pipe-through transform stream tests
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=149265
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkLayoutTestsstreamsreferenceimplementationtransformstreamerrorsexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/streams/reference-implementation/transform-stream-errors-expected.txt (0 => 190166)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/streams/reference-implementation/transform-stream-errors-expected.txt                                (rev 0)
+++ trunk/LayoutTests/streams/reference-implementation/transform-stream-errors-expected.txt        2015-09-23 11:27:58 UTC (rev 190166)
</span><span class="lines">@@ -0,0 +1,4 @@
</span><ins>+
+FAIL TransformStream errors thrown in transform put the writable and readable in an errored state Can't find variable: TransformStream
+FAIL TransformStream errors thrown in flush put the writable and readable in an errored state Can't find variable: TransformStream
+
</ins></span></pre></div>
<a id="trunkLayoutTestsstreamsreferenceimplementationtransformstreamerrorshtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/streams/reference-implementation/transform-stream-errors.html (0 => 190166)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/streams/reference-implementation/transform-stream-errors.html                                (rev 0)
+++ trunk/LayoutTests/streams/reference-implementation/transform-stream-errors.html        2015-09-23 11:27:58 UTC (rev 190166)
</span><span class="lines">@@ -0,0 +1,97 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;script src='../../resources/testharness.js'&gt;&lt;/script&gt;
+&lt;script src='../../resources/testharnessreport.js'&gt;&lt;/script&gt;
+&lt;script src='resources/streams-utils.js'&gt;&lt;/script&gt;
+&lt;script&gt;
+// This is updated till https://github.com/whatwg/streams/commit/ec5ffa036308d9f6350d2946560d48cdbf090939
+
+var test1 = async_test('TransformStream errors thrown in transform put the writable and readable in an errored state');
+test1.step(function() {
+    var promiseCalls = 0;
+    var thrownError = new Error('bad things are happening!');
+    var ts = new TransformStream({
+        transform: function() {
+            throw thrownError;
+        }
+    });
+
+    assert_equals(ts.writable.state, 'writable', 'writable starts in writable');
+
+    var reader = ts.readable.getReader();
+
+    reader.read().then(
+        test1.step_func(function() { assert_unreached('readable\'s read() should reject'); }),
+        test1.step_func(function(r) {
+            assert_equals(r, thrownError, 'readable\'s read should reject with the thrown error');
+            assert_equals(++promiseCalls, 2);
+        })
+    );
+
+    reader.closed.then(
+        test1.step_func(function() { assert_unreached('readable\'s closed should not be fulfilled'); }),
+        test1.step_func(function(e) {
+            assert_equals(e, thrownError, 'readable\'s closed should be rejected with the thrown error');
+            assert_equals(++promiseCalls, 3);
+            test1.done();
+        })
+    );
+
+    ts.writable.closed.then(
+        test1.step_func(function() { assert_unreached('writable\'s closed should not be fulfilled'); }),
+        test1.step_func(function(e) {
+            assert_equals(e, thrownError, 'writable\'s closed should be rejected with the thrown error');
+            assert_equals(++promiseCalls, 1);
+        })
+    );
+
+    ts.writable.write('a');
+    assert_equals(ts.writable.state, 'waiting', 'writable becomes waiting immediately after throw');
+});
+
+var test2 = async_test('TransformStream errors thrown in flush put the writable and readable in an errored state');
+test2.step(function() {
+    var promiseCalls = 0;
+    var thrownError = new Error('bad things are happening!');
+    var ts = new TransformStream({
+        transform: function(chunk, enqueue, done) {
+            done();
+        },
+        flush: function() {
+            throw thrownError;
+        }
+    });
+
+    var reader = ts.readable.getReader();
+
+    reader.read().then(
+        test2.step_func(function() { assert_unreached('readable\'s read() should reject'); }),
+        test2.step_func(function(r) {
+            assert_equals(r, thrownError, 'readable\'s read should reject with the thrown error');
+            assert_equals(++promiseCalls, 2);
+        })
+    );
+
+    reader.closed.then(
+        test2.step_func(function() { assert_unreached('readable\'s closed should not be fulfilled'); }),
+        test2.step_func(function(e) {
+            assert_equals(e, thrownError, 'readable\'s closed should be rejected with the thrown error');
+            assert_equals(++promiseCalls, 3);
+            test2.done();
+        })
+    );
+
+    ts.writable.closed.then(
+        test2.step_func(function() { assert_unreached('writable\'s closed should not be fulfilled'); }),
+        test2.step_func(function(e) {
+            assert_equals(e, thrownError, 'writable\'s closed should be rejected with the thrown error');
+            assert_equals(++promiseCalls, 1);
+        })
+    );
+
+    assert_equals(ts.writable.state, 'writable', 'writable starts in writable');
+    ts.writable.write('a');
+    assert_equals(ts.writable.state, 'waiting', 'writable becomes waiting after a write');
+    ts.writable.close();
+    assert_equals(ts.writable.state, 'closing', 'writable becomes closing after the close call');
+});
+&lt;/script&gt;
</ins></span></pre>
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