1 files changed, 46 insertions, 0 deletions
diff --git a/android/WALT/app/src/test/java/org/chromium/latency/walt/TraceLoggerTest.java b/android/WALT/app/src/test/java/org/chromium/latency/walt/TraceLoggerTest.java
new file mode 100644
index 0000000..ed617cb
--- /dev/null
+++ b/android/WALT/app/src/test/java/org/chromium/latency/walt/TraceLoggerTest.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2017 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 org.chromium.latency.walt;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+import static junit.framework.Assert.assertTrue;
+import static org.mockito.Mockito.when;
+import static org.powermock.api.mockito.PowerMockito.mockStatic;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(android.os.Process.class)
+public class TraceLoggerTest {
+
+    @Test
+    public void testLogText() {
+        final TraceLogger traceLogger = TraceLogger.getInstance();
+        traceLogger.log(30012345, 30045678, "SomeTitle", "Some description here");
+        traceLogger.log(40012345, 40045678, "AnotherTitle", "Another description here");
+        mockStatic(android.os.Process.class);
+        when(android.os.Process.myPid()).thenReturn(42);
+        String expected =
+                "WALTThread-[0-9]+ \\(42\\) \\[[0-9]+] .{4} 30\\.012345: tracing_mark_write: B\\|42\\|SomeTitle\\|description=Some description here\\|WALT\n" +
+                "WALTThread-[0-9]+ \\(42\\) \\[[0-9]+] .{4} 30\\.045678: tracing_mark_write: E\\|42\\|SomeTitle\\|\\|WALT\n" +
+                "WALTThread-[0-9]+ \\(42\\) \\[[0-9]+] .{4} 40\\.012345: tracing_mark_write: B\\|42\\|AnotherTitle\\|description=Another description here\\|WALT\n" +
+                "WALTThread-[0-9]+ \\(42\\) \\[[0-9]+] .{4} 40\\.045678: tracing_mark_write: E\\|42\\|AnotherTitle\\|\\|WALT\n";
+        assertTrue(traceLogger.getLogText().matches(expected));
+    }
+}