Implement ManifestParser in content/.

content/renderer/manifest/manifest_parser_unittest.cc

Index: content/renderer/manifest/manifest_parser_unittest.cc
diff --git a/content/renderer/manifest/manifest_parser_unittest.cc b/content/renderer/manifest/manifest_parser_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..eb75919be1267f70801a888f55e547e9e18e1e8b
--- /dev/null
+++ b/content/renderer/manifest/manifest_parser_unittest.cc
@@ -0,0 +1,84 @@
+// 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.
+
+#include "content/renderer/manifest/manifest_parser.h"
+
+#include "base/strings/string_util.h"
+#include "content/public/common/manifest.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+TEST(ManifestParserTest, EmptyStringNull) {
+  Manifest manifest = ManifestParser::Parse("");
+
+  // A parsing error is equivalent to an empty manifest.
+  ASSERT_TRUE(manifest.IsEmpty());
+  ASSERT_TRUE(manifest.name.is_null());
+  ASSERT_TRUE(manifest.short_name.is_null());
+}
+
+TEST(ManifestParserTest, ValidNoContentParses) {
+  Manifest manifest = ManifestParser::Parse("{}");
+
+  // Check that all the fields are null in that case.
+  ASSERT_TRUE(manifest.IsEmpty());
+  ASSERT_TRUE(manifest.name.is_null());
+  ASSERT_TRUE(manifest.short_name.is_null());
+}
+
+TEST(ManifestParserTest, NameParseRules) {
+  // Smoke test.
+  {
+    Manifest manifest = ManifestParser::Parse("{ \"name\": \"foo\" }");
+    ASSERT_TRUE(EqualsASCII(manifest.name.string(), "foo"));
+  }
+
+  // Trim whitespaces.
+  {
+    Manifest manifest = ManifestParser::Parse("{ \"name\": \"  foo  \" }");
+    ASSERT_TRUE(EqualsASCII(manifest.name.string(), "foo"));
+  }
+
+  // Don't parse if name isn't a string.
+  {
+    Manifest manifest = ManifestParser::Parse("{ \"name\": {} }");
+    ASSERT_TRUE(manifest.name.is_null());
+  }
+
+  // Don't parse if name isn't a string.
+  {
+    Manifest manifest = ManifestParser::Parse("{ \"name\": 42 }");
+    ASSERT_TRUE(manifest.name.is_null());
+  }
+}
+
+TEST(ManifestParserTest, ShortNameParseRules) {
+  // Smoke test.
+  {
+    Manifest manifest = ManifestParser::Parse("{ \"short_name\": \"foo\" }");
+    ASSERT_TRUE(EqualsASCII(manifest.short_name.string(), "foo"));
+  }
+
+  // Trim whitespaces.
+  {
+    Manifest manifest =
+        ManifestParser::Parse("{ \"short_name\": \"  foo  \" }");
+    ASSERT_TRUE(EqualsASCII(manifest.short_name.string(), "foo"));
+  }
+
+  // Don't parse if name isn't a string.
+  {
+    Manifest manifest = ManifestParser::Parse("{ \"short_name\": {} }");
+    ASSERT_TRUE(manifest.short_name.is_null());
+  }
+
+  // Don't parse if name isn't a string.
+  {
+    Manifest manifest = ManifestParser::Parse("{ \"short_name\": 42 }");
+    ASSERT_TRUE(manifest.short_name.is_null());
+  }
+}
+
+} // namespace content