1 files changed, 91 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/util/ProcMeminfoParserTest.java b/src/test/java/com/google/devtools/build/lib/util/ProcMeminfoParserTest.java
new file mode 100644
index 0000000000..9d04f287f8
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/util/ProcMeminfoParserTest.java
@@ -0,0 +1,91 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// 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.google.devtools.build.lib.util;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import com.google.devtools.build.lib.vfs.util.FsApparatus;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.io.IOException;
+
+/**
+ * Tests for ProcMeminfoParser.
+ */
+@RunWith(JUnit4.class)
+public class ProcMeminfoParserTest {
+
+  private FsApparatus scratch = FsApparatus.newNative();
+
+  @Test
+  public void memInfo() throws IOException {
+    String meminfoContent = StringUtilities.joinLines(
+        "MemTotal:      3091732 kB",
+        "MemFree:       2167344 kB",
+        "Buffers:         60644 kB",
+        "Cached:         509940 kB",
+        "SwapCached:          0 kB",
+        "Active:         636892 kB",
+        "Inactive:       212760 kB",
+        "HighTotal:           0 kB",
+        "HighFree:            0 kB",
+        "LowTotal:      3091732 kB",
+        "LowFree:       2167344 kB",
+        "SwapTotal:     9124880 kB",
+        "SwapFree:      9124880 kB",
+        "Dirty:               0 kB",
+        "Writeback:           0 kB",
+        "AnonPages:      279028 kB",
+        "Mapped:          54404 kB",
+        "Slab:            42820 kB",
+        "PageTables:       5184 kB",
+        "NFS_Unstable:        0 kB",
+        "Bounce:              0 kB",
+        "CommitLimit:  10670744 kB",
+        "Committed_AS:   665840 kB",
+        "VmallocTotal: 34359738367 kB",
+        "VmallocUsed:    300484 kB",
+        "VmallocChunk: 34359437307 kB",
+        "HugePages_Total:     0",
+        "HugePages_Free:      0",
+        "HugePages_Rsvd:      0",
+        "Hugepagesize:     2048 kB",
+        "Bogus: not_a_number",
+        "Bogus2: 1000000000000000000000000000000000000000000000000 kB"
+    );
+
+    String meminfoFile = scratch.file("test_meminfo", meminfoContent).getPathString();
+    ProcMeminfoParser memInfo = new ProcMeminfoParser(meminfoFile);
+
+    assertEquals(2356756, memInfo.getFreeRamKb());
+    assertEquals(509940, memInfo.getRamKb("Cached"));
+    assertEquals(3091732, memInfo.getTotalKb());
+    assertNotAvailable("Bogus", memInfo);
+    assertNotAvailable("Bogus2", memInfo);
+  }
+
+  private static void assertNotAvailable(String field, ProcMeminfoParser memInfo) {
+    try {
+      memInfo.getRamKb(field);
+      fail();
+    } catch (IllegalArgumentException e) {
+      // Expected.
+    }
+  }
+
+}