mojom: Add associative arrays to the mojom language.

mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py

Index: mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py
diff --git a/mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py b/mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py
new file mode 100644
index 0000000000000000000000000000000000000000..a1de7920587bf30294e2faf1bce62c67a92a72a2
--- /dev/null
+++ b/mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py
@@ -0,0 +1,44 @@
+# 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 imp
+import os.path
+import sys
+import unittest
+
+def _GetDirAbove(dirname):
+  """Returns the directory "above" this file containing |dirname| (which must
+  also be "above" this file)."""
+  path = os.path.abspath(__file__)
+  while True:
+    path, tail = os.path.split(path)
+    assert tail
+    if tail == dirname:
+      return path
+
+try:
+  imp.find_module("mojom")
+except ImportError:
+  sys.path.append(os.path.join(_GetDirAbove("pylib"), "pylib"))
+import mojom.parse.translate as translate
+
+
+class TranslateTest(unittest.TestCase):
+  """Tests |parser.Parse()|."""
+
+  def testSimpleArray(self):
+    """Tests a simple int32[]."""
+    self.assertEquals(translate.MapKind("int32[]"), "a:i32")
+
+  def testAssociativeArray(self):
+    """Tests a simple uint8{string}."""
+    self.assertEquals(translate.MapKind("uint8{string}"), "m[s][u8]")
+
+  def testLeftToRightAssociativeArray(self):
+    """Makes sure that parsing is done left to right in the presence of an
+       associative array."""
+    self.assertEquals(translate.MapKind("uint8{string}[]"), "m[s][a:u8]")
+
+if __name__ == "__main__":
+  unittest.main()