Add a ModuleLoadAnalyzer which checks modules against a whitelist

chrome/browser/safe_browsing/incident_reporting/suspicious_module_incident_unittest.cc

+// Copyright 2016 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/browser/safe_browsing/incident_reporting/suspicious_module_incident.h"
+
+#include <utility>
+
+#include "base/memory/scoped_ptr.h"
+#include "chrome/common/safe_browsing/csd.pb.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace safe_browsing {
+
+namespace {
+
+scoped_ptr<Incident> MakeIncident(const char* path) {
+  scoped_ptr<ClientIncidentReport_IncidentData_SuspiciousModuleIncident>
+      incident(new ClientIncidentReport_IncidentData_SuspiciousModuleIncident);
+  incident->set_path(path);
+  return make_scoped_ptr(new SuspiciousModuleIncident(std::move(incident)));
+}
+
+}  // namespace
+
+TEST(SuspiciousModuleIncident, GetType) {
+  ASSERT_EQ(IncidentType::SUSPICIOUS_MODULE, MakeIncident("foo")->GetType());
+}
+
+// Tests that GetKey returns the dll path.
+TEST(SuspiciousModuleIncident, KeyIsPath) {
+  ASSERT_EQ(std::string("foo"), MakeIncident("foo")->GetKey());
+}
+
+// Tests that GetDigest returns the same value for the same incident.
+TEST(SuspiciousModuleIncident, SameIncidentSameDigest) {
+  ASSERT_EQ(MakeIncident("foo")->ComputeDigest(),
+            MakeIncident("foo")->ComputeDigest());
+}
+
+// Tests that GetDigest returns different values for different incidents.
+TEST(SuspiciousModuleIncident, DifferentIncidentDifferentDigest) {
+  ASSERT_NE(MakeIncident("foo")->ComputeDigest(),
+            MakeIncident("bar")->ComputeDigest());
+}
+
+}  // namespace safe_browsing