Added an integration test for array buffer zero initialization.

This would have caught the bug fixed by ce4ced9, at least on my system.
google · Nov 2, 2014 · 2d057a2 · 2d057a2
1 parent ce4ced9
commit 2d057a2
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diff --git a/gjstest/internal/integration_tests/typed_arrays.golden.txt b/gjstest/internal/integration_tests/typed_arrays.golden.txt
@@ -33,6 +33,8 @@
 [       OK ] TypedArraysTest.ArrayBufferContructorErrors (1 ms)
 [ RUN      ] TypedArraysTest.TypedArrayContructorErrors
 [       OK ] TypedArraysTest.TypedArrayContructorErrors (1 ms)
+[ RUN      ] TypedArraysTest.ZeroInitialization
+[       OK ] TypedArraysTest.ZeroInitialization (1 ms)
 [----------]
 
 [  PASSED  ]
diff --git a/gjstest/internal/integration_tests/typed_arrays.golden.xml b/gjstest/internal/integration_tests/typed_arrays.golden.xml
@@ -17,4 +17,5 @@
  <testcase name="TypedArraysTest.ConstructFromOtherTypedArray" time="0.01"/>
  <testcase name="TypedArraysTest.ArrayBufferContructorErrors" time="0.01"/>
  <testcase name="TypedArraysTest.TypedArrayContructorErrors" time="0.01"/>
+ <testcase name="TypedArraysTest.ZeroInitialization" time="0.01"/>
 </testsuite>
diff --git a/gjstest/internal/integration_tests/typed_arrays_test.js b/gjstest/internal/integration_tests/typed_arrays_test.js
@@ -1041,3 +1041,20 @@ TypedArraysTest.prototype.TypedArrayContructorErrors = function() {
   } catch (e) {
   }
 };
+
+TypedArraysTest.prototype.ZeroInitialization = function() {
+  // Created via array buffer.
+  var buffer = new ArrayBuffer(8192);
+  var bytes = new Uint8Array(buffer);
+
+  for (var i = 0; i < bytes.length; ++i) {
+    expectEq(0, bytes[i]);
+  }
+
+  // Created directly.
+  bytes = new Uint8Array(8192);
+
+  for (var i = 0; i < bytes.length; ++i) {
+    expectEq(0, bytes[i]);
+  }
+};