Fix directory layout for tools/memory_inspector tests.

tools/memory_inspector/memory_inspector/core/memory_map_unittest.py

Index: tools/memory_inspector/memory_inspector/core/memory_map_unittest.py
diff --git a/tools/memory_inspector/memory_inspector/core/memory_map_unittest.py b/tools/memory_inspector/memory_inspector/core/memory_map_unittest.py
new file mode 100644
index 0000000000000000000000000000000000000000..f7bc324e7f98676df454a489ca5ae3a3bf4b3577
--- /dev/null
+++ b/tools/memory_inspector/memory_inspector/core/memory_map_unittest.py
@@ -0,0 +1,39 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import unittest
+
+from memory_inspector.core import memory_map
+
+
+class MemoryMapTest(unittest.TestCase):
+  def runTest(self):
+    mmap = memory_map.Map()
+    map_entry1 = memory_map.MapEntry(4096, 8191, 'rw--', '/foo', 0)
+    map_entry2 = memory_map.MapEntry(65536, 81919, 'rw--', '/bar', 4096)
+
+    # Test the de-offset logic.
+    self.assertEqual(map_entry1.GetRelativeOffset(4096), 0)
+    self.assertEqual(map_entry1.GetRelativeOffset(4100), 4)
+    self.assertEqual(map_entry2.GetRelativeOffset(65536), 4096)
+
+    # Test the page-resident logic.
+    map_entry2.resident_pages = [5] # 5 -> 101b.
+    self.assertTrue(map_entry2.IsPageResident(0))
+    self.assertFalse(map_entry2.IsPageResident(1))
+    self.assertTrue(map_entry2.IsPageResident(2))
+
+    # Test the lookup logic.
+    mmap.Add(map_entry1)
+    mmap.Add(map_entry2)
+    self.assertIsNone(mmap.Lookup(1024))
+    self.assertEqual(mmap.Lookup(4096), map_entry1)
+    self.assertEqual(mmap.Lookup(6000), map_entry1)
+    self.assertEqual(mmap.Lookup(8191), map_entry1)
+    self.assertIsNone(mmap.Lookup(8192))
+    self.assertIsNone(mmap.Lookup(65535))
+    self.assertEqual(mmap.Lookup(65536), map_entry2)
+    self.assertEqual(mmap.Lookup(67000), map_entry2)
+    self.assertEqual(mmap.Lookup(81919), map_entry2)
+    self.assertIsNone(mmap.Lookup(81920))