1 files changed, 83 insertions, 0 deletions
diff --git a/javatests/com/android/loganalysis/parser/TopParserTest.java b/javatests/com/android/loganalysis/parser/TopParserTest.java
new file mode 100644
index 0000000..9b2253b
--- /dev/null
+++ b/javatests/com/android/loganalysis/parser/TopParserTest.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2013 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.loganalysis.parser;
+
+import com.android.loganalysis.item.TopItem;
+import com.android.loganalysis.util.ArrayUtil;
+
+import junit.framework.TestCase;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Unit tests for {@link ProcrankParser}
+ */
+public class TopParserTest extends TestCase {
+
+    /**
+     * Test that the output of the top command is parsed.
+     */
+    public void testTopParser() {
+        List<String> inputBlock = Arrays.asList(
+                "User 20%, System 20%, IOW 5%, IRQ 3%",
+                "User 150 + Nice 50 + Sys 200 + Idle 510 + IOW 60 + IRQ 5 + SIRQ 25 = 1000",
+                "",
+                "  PID   TID PR CPU% S     VSS     RSS PCY UID      Thread          Proc",
+                " 4474  4474  0   2% R   1420K    768K     shell    top             top");
+
+        TopItem item = new TopParser().parse(inputBlock);
+
+        assertEquals(150, item.getUser());
+        assertEquals(50, item.getNice());
+        assertEquals(200, item.getSystem());
+        assertEquals(510, item.getIdle());
+        assertEquals(60, item.getIow());
+        assertEquals(5, item.getIrq());
+        assertEquals(25, item.getSirq());
+        assertEquals(1000, item.getTotal());
+        assertEquals(ArrayUtil.join("\n", inputBlock), item.getText());
+    }
+
+    /**
+     * Test that the last output is stored.
+     */
+    public void testLastTop() {
+        List<String> inputBlock = Arrays.asList(
+                "User 0 + Nice 0 + Sys 0 + Idle 1000 + IOW 0 + IRQ 0 + SIRQ 0 = 1000",
+                "User 0 + Nice 0 + Sys 0 + Idle 1000 + IOW 0 + IRQ 0 + SIRQ 0 = 1000",
+                "User 150 + Nice 50 + Sys 200 + Idle 510 + IOW 60 + IRQ 5 + SIRQ 25 = 1000");
+
+        TopItem item = new TopParser().parse(inputBlock);
+
+        assertEquals(150, item.getUser());
+        assertEquals(50, item.getNice());
+        assertEquals(200, item.getSystem());
+        assertEquals(510, item.getIdle());
+        assertEquals(60, item.getIow());
+        assertEquals(5, item.getIrq());
+        assertEquals(25, item.getSirq());
+        assertEquals(1000, item.getTotal());
+    }
+
+    /**
+     * Test that an empty input returns {@code null}.
+     */
+    public void testEmptyInput() {
+        TopItem item = new TopParser().parse(Arrays.asList(""));
+        assertNull(item);
+    }
+}