Add more generic filters to the chrome.hid.getDevices API.

device/hid/hid_device_filter_unittest.cc

Index: device/hid/hid_device_filter_unittest.cc
diff --git a/device/hid/hid_device_filter_unittest.cc b/device/hid/hid_device_filter_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..599dda4e1349cedab18e09f56e48b8c96e917d5f
--- /dev/null
+++ b/device/hid/hid_device_filter_unittest.cc
@@ -0,0 +1,116 @@
+// 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 "device/hid/hid_device_filter.h"
+#include "device/hid/hid_device_info.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace device {
+
+namespace {
+
+class HidFilterTest : public testing::Test {
+ public:
+  virtual void SetUp() OVERRIDE {
+    device_info_.vendor_id = 0x046d;
+    device_info_.product_id = 0xc31c;
+
+    HidCollectionInfo collection;
+    collection.usage.usage_page = HidUsageAndPage::kPageKeyboard;
+    collection.usage.usage = 0x01;
+    device_info_.collections.push_back(collection);
+  }
+
+ protected:
+  HidDeviceInfo device_info_;
+};
+
+TEST_F(HidFilterTest, MatchAny) {
+  HidDeviceFilter filter;
+  ASSERT_TRUE(filter.Matches(device_info_));
+}
+
+TEST_F(HidFilterTest, MatchVendorId) {
+  HidDeviceFilter filter;
+  filter.SetVendorId(0x046d);
+  ASSERT_TRUE(filter.Matches(device_info_));
+}
+
+TEST_F(HidFilterTest, MatchVendorIdNegative) {
+  HidDeviceFilter filter;
+  filter.SetVendorId(0x18d1);
+  ASSERT_FALSE(filter.Matches(device_info_));
+}
+
+TEST_F(HidFilterTest, MatchProductId) {
+  HidDeviceFilter filter;
+  filter.SetVendorId(0x046d);
+  filter.SetProductId(0xc31c);
+  ASSERT_TRUE(filter.Matches(device_info_));
+}
+
+TEST_F(HidFilterTest, MatchProductIdNegative) {
+  HidDeviceFilter filter;
+  filter.SetVendorId(0x046d);
+  filter.SetProductId(0x0801);
+  ASSERT_FALSE(filter.Matches(device_info_));
+}
+
+TEST_F(HidFilterTest, MatchUsagePage) {
+  HidDeviceFilter filter;
+  filter.SetUsagePage(HidUsageAndPage::kPageKeyboard);
+  ASSERT_TRUE(filter.Matches(device_info_));
+}
+
+TEST_F(HidFilterTest, MatchUsagePageNegative) {
+  HidDeviceFilter filter;
+  filter.SetUsagePage(HidUsageAndPage::kPageLed);
+  ASSERT_FALSE(filter.Matches(device_info_));
+}
+
+TEST_F(HidFilterTest, MatchVendorAndUsagePage) {
+  HidDeviceFilter filter;
+  filter.SetVendorId(0x046d);
+  filter.SetUsagePage(HidUsageAndPage::kPageKeyboard);
+  ASSERT_TRUE(filter.Matches(device_info_));
+}
+
+TEST_F(HidFilterTest, MatchUsageAndPage) {
+  HidDeviceFilter filter;
+  filter.SetUsagePage(HidUsageAndPage::kPageKeyboard);
+  filter.SetUsage(0x01);
+  ASSERT_TRUE(filter.Matches(device_info_));
+}
+
+TEST_F(HidFilterTest, MatchUsageAndPageNegative) {
+  HidDeviceFilter filter;
+  filter.SetUsagePage(HidUsageAndPage::kPageKeyboard);
+  filter.SetUsage(0x02);
+  ASSERT_FALSE(filter.Matches(device_info_));
+}
+
+TEST_F(HidFilterTest, MatchEmptyFilterListNegative) {
+  std::vector<HidDeviceFilter> filters;
+  ASSERT_FALSE(HidDeviceFilter::MatchesAny(device_info_, filters));
+}
+
+TEST_F(HidFilterTest, MatchFilterList) {
+  std::vector<HidDeviceFilter> filters;
+  HidDeviceFilter filter;
+  filter.SetUsagePage(HidUsageAndPage::kPageKeyboard);
+  filters.push_back(filter);
+  ASSERT_TRUE(HidDeviceFilter::MatchesAny(device_info_, filters));
+}
+
+TEST_F(HidFilterTest, MatchFilterListNegative) {
+  std::vector<HidDeviceFilter> filters;
+  HidDeviceFilter filter;
+  filter.SetUsagePage(HidUsageAndPage::kPageLed);
+  filters.push_back(filter);
+  ASSERT_FALSE(HidDeviceFilter::MatchesAny(device_info_, filters));
+}
+
+}  // namespace
+
+}  // namespace device