Enforce the 'requirements' field in manifests.

chrome/common/extensions/manifest_tests/extension_manifests_requirements_unittest.cc

+// Copyright (c) 2012 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 "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
+
+#include "chrome/common/extensions/extension_error_utils.h"
+#include "chrome/common/extensions/extension_manifest_constants.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace errors = extension_manifest_errors;
+
+TEST_F(ExtensionManifestTest, RequirementsInvalid) {
+  Testcase testcases[] = {
+    Testcase("requirements_invalid_requirements.json",
+             errors::kInvalidRequirements),
+    Testcase("requirements_invalid_keys.json", errors::kInvalidRequirements),
+    Testcase("requirements_invalid_3d.json",
+             ExtensionErrorUtils::FormatErrorMessage(
+                 errors::kInvalidRequirement, "3D")),
+    Testcase("requirements_invalid_3d_features.json",
+             ExtensionErrorUtils::FormatErrorMessage(
+                 errors::kInvalidRequirement, "3D")),
+    Testcase("requirements_invalid_3d_features_value.json",
+             ExtensionErrorUtils::FormatErrorMessage(
+                 errors::kInvalidRequirement, "3D")),
+    Testcase("requirements_invalid_3d_no_features.json",
+             ExtensionErrorUtils::FormatErrorMessage(
+                 errors::kInvalidRequirement, "3D")),
+    Testcase("requirements_invalid_plugins.json",
+             ExtensionErrorUtils::FormatErrorMessage(
+                 errors::kInvalidRequirement, "plugins")),
+    Testcase("requirements_invalid_plugins_key.json",
+             ExtensionErrorUtils::FormatErrorMessage(
+                 errors::kInvalidRequirement, "plugins")),
+    Testcase("requirements_invalid_plugins_value.json",
+             ExtensionErrorUtils::FormatErrorMessage(
+                 errors::kInvalidRequirement, "plugins"))
+  };
+
+  RunTestcases(testcases, arraysize(testcases), EXPECT_TYPE_ERROR);
+}
+
+TEST_F(ExtensionManifestTest, RequirementsValid) {
+  // Test the defaults.
+  scoped_refptr<extensions::Extension> extension(LoadAndExpectSuccess(
+      "requirements_valid_empty.json"));
+  ASSERT_TRUE(extension.get());
+  EXPECT_EQ(extension->requirements().webgl, false);
+  EXPECT_EQ(extension->requirements().css3d, false);
+  EXPECT_EQ(extension->requirements().npapi, false);
+
+  // Test loading all the requirements.
+  extension = LoadAndExpectSuccess("requirements_valid_full.json");
+  ASSERT_TRUE(extension.get());
+  EXPECT_EQ(extension->requirements().webgl, true);
+  EXPECT_EQ(extension->requirements().css3d, true);
+  EXPECT_EQ(extension->requirements().npapi, true);
+}
+
+// When an npapi plugin is present, the default of the "npapi" requirement
+// changes.
+TEST_F(ExtensionManifestTest, RequirementsNpapiDefault) {
+  scoped_refptr<extensions::Extension> extension(LoadAndExpectSuccess(
+      "requirements_npapi_empty.json"));
+  ASSERT_TRUE(extension.get());
+  EXPECT_EQ(extension->requirements().webgl, false);
+  EXPECT_EQ(extension->requirements().css3d, false);
+#if defined(OS_CHROMEOS)
+  EXPECT_EQ(extension->requirements().npapi, false);
+#else
+  EXPECT_EQ(extension->requirements().npapi, true);
+#endif  // defined(OS_CHROMEOS)
+
+  extension = LoadAndExpectSuccess("requirements_npapi.json");
+  ASSERT_TRUE(extension.get());
+  EXPECT_EQ(extension->requirements().webgl, false);
+  EXPECT_EQ(extension->requirements().css3d, false);
+  EXPECT_EQ(extension->requirements().npapi, false);
+}