1 files changed, 55 insertions, 0 deletions
diff --git a/tools/ahat/test/PerformanceTest.java b/tools/ahat/test/PerformanceTest.java
new file mode 100644
index 0000000000..6e46800603
--- /dev/null
+++ b/tools/ahat/test/PerformanceTest.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.ahat;
+
+import com.android.tools.perflib.heap.Instance;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import org.junit.Test;
+
+public class PerformanceTest {
+  private static class NullOutputStream extends OutputStream {
+    public void write(int b) throws IOException {
+    }
+  }
+
+  @Test
+  public void bigArray() throws IOException {
+    // It should not take more than 1 second to load the default object view
+    // for any object, including big arrays.
+    TestDump dump = TestDump.getTestDump();
+
+    Instance bigArray = (Instance)dump.getDumpedThing("bigArray");
+    assertNotNull(bigArray);
+
+    AhatSnapshot snapshot = dump.getAhatSnapshot();
+    AhatHandler handler = new ObjectHandler(snapshot);
+
+    PrintStream ps = new PrintStream(new NullOutputStream());
+    HtmlDoc doc = new HtmlDoc(ps, DocString.text("bigArray test"), DocString.uri("style.css"));
+    String uri = "http://localhost:7100/object?id=" + bigArray.getId();
+    Query query = new Query(DocString.uri(uri));
+
+    long start = System.currentTimeMillis();
+    handler.handle(doc, query);
+    long time = System.currentTimeMillis() - start;
+    assertTrue("bigArray took too long: " + time + "ms", time < 1000);
+  }
+}