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Unified Diff: device/hid/hid_report_descriptor_unittest.cc

Issue 250523002: chrome.hid: rebase wrt last changes (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: enrich device info with hid usages Created 6 years, 8 months ago
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Index: device/hid/hid_report_descriptor_unittest.cc
diff --git a/device/hid/hid_report_descriptor_unittest.cc b/device/hid/hid_report_descriptor_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b7477d012a8175ae99c13058049b08c779cf056e
--- /dev/null
+++ b/device/hid/hid_report_descriptor_unittest.cc
@@ -0,0 +1,256 @@
+// Copyright (c) 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_report_descriptor.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using namespace testing;
+
+namespace device {
+
+namespace {
+
+// See 'E.6 Report Descriptor (Keyboard)'
+// in HID specifications (v1.11)
+const uint8_t kKeyboard[] = {
+ 0x05, 0x01, 0x09, 0x06, 0xA1, 0x01, 0x05, 0x07, 0x19, 0xE0, 0x29,
+ 0xE7, 0x15, 0x00, 0x25, 0x01, 0x75, 0x01, 0x95, 0x08, 0x81, 0x02,
+ 0x95, 0x01, 0x75, 0x08, 0x81, 0x01, 0x95, 0x05, 0x75, 0x01, 0x05,
+ 0x08, 0x19, 0x01, 0x29, 0x05, 0x91, 0x02, 0x95, 0x01, 0x75, 0x03,
+ 0x91, 0x01, 0x95, 0x06, 0x75, 0x08, 0x15, 0x00, 0x25, 0x65, 0x05,
+ 0x07, 0x19, 0x00, 0x29, 0x65, 0x81, 0x00, 0xC0};
+
+// See 'E.10 Report Descriptor (Mouse)'
+// in HID specifications (v1.11)
+const uint8_t kMouse[] = {0x05, 0x01, 0x09, 0x02, 0xA1, 0x01, 0x09, 0x01, 0xA1,
+ 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03, 0x15, 0x00,
+ 0x25, 0x01, 0x95, 0x03, 0x75, 0x01, 0x81, 0x02, 0x95,
+ 0x01, 0x75, 0x05, 0x81, 0x01, 0x05, 0x01, 0x09, 0x30,
+ 0x09, 0x31, 0x15, 0x81, 0x25, 0x7F, 0x75, 0x08, 0x95,
+ 0x02, 0x81, 0x06, 0xC0, 0xC0};
+
+const uint8_t kLogitechUnifyingReceiver[] = {
+ 0x06, 0x00, 0xFF, 0x09, 0x01, 0xA1, 0x01, 0x85, 0x10, 0x75, 0x08,
+ 0x95, 0x06, 0x15, 0x00, 0x26, 0xFF, 0x00, 0x09, 0x01, 0x81, 0x00,
+ 0x09, 0x01, 0x91, 0x00, 0xC0, 0x06, 0x00, 0xFF, 0x09, 0x02, 0xA1,
+ 0x01, 0x85, 0x11, 0x75, 0x08, 0x95, 0x13, 0x15, 0x00, 0x26, 0xFF,
+ 0x00, 0x09, 0x02, 0x81, 0x00, 0x09, 0x02, 0x91, 0x00, 0xC0, 0x06,
+ 0x00, 0xFF, 0x09, 0x04, 0xA1, 0x01, 0x85, 0x20, 0x75, 0x08, 0x95,
+ 0x0E, 0x15, 0x00, 0x26, 0xFF, 0x00, 0x09, 0x41, 0x81, 0x00, 0x09,
+ 0x41, 0x91, 0x00, 0x85, 0x21, 0x95, 0x1F, 0x15, 0x00, 0x26, 0xFF,
+ 0x00, 0x09, 0x42, 0x81, 0x00, 0x09, 0x42, 0x91, 0x00, 0xC0};
+
+} // namespace
+
+class HidReportDescriptorTest : public testing::Test {
+ protected:
+ virtual void SetUp() OVERRIDE { descriptor_ = NULL; }
+
+ virtual void TearDown() OVERRIDE {
+ if (descriptor_) {
+ delete descriptor_;
+ }
+ }
+
+ public:
+ void ParseDescriptor(const std::string& parsed_expected,
+ const uint8_t* bytes,
+ size_t size) {
+ descriptor_ = new HidReportDescriptor(bytes, size);
+
+ std::stringstream parsed_actual;
+ parsed_actual << *descriptor_;
+
+ std::cout << "HID report descriptor:" << std::endl;
+ std::cout << *descriptor_;
+
+ ASSERT_EQ(parsed_expected, parsed_actual.str());
+ }
+
+ void GetTopLevelCollections(const std::vector<HidUsageAndPage>& tlcs_expected,
+ const uint8_t* bytes,
+ size_t size) {
+ descriptor_ = new HidReportDescriptor(bytes, size);
+
+ std::vector<HidUsageAndPage> tlcs_actual =
+ descriptor_->topLevelCollections();
+
+ std::cout << "HID top-level collections:" << std::endl;
+ for (std::vector<HidUsageAndPage>::const_iterator tlcs_iter =
+ tlcs_actual.begin();
+ tlcs_iter != tlcs_actual.end();
+ ++tlcs_iter) {
+ std::cout << *tlcs_iter << std::endl;
+ }
+
+ ASSERT_THAT(tlcs_actual, ContainerEq(tlcs_expected));
+ }
+
+ private:
+ HidReportDescriptor* descriptor_;
+};
+
+TEST_F(HidReportDescriptorTest, ParseDescriptor_Keyboard) {
+ const char parsed_expected[] = {
+ "Usage Page (Generic Desktop)\n"
+ "Usage (0x6)\n"
+ "Collection (Physical)\n"
+ " Usage Page (Keyboard)\n"
+ " Usage Minimum (0xE0)\n"
+ " Usage Maximum (0xE7)\n"
+ " Logical Minimum (0)\n"
+ " Logical Maximum (1)\n"
+ " Report Size (1)\n"
+ " Report Count (8)\n"
+ " Input (Dat|Arr|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Report Count (1)\n"
+ " Report Size (8)\n"
+ " Input (Con|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Report Count (5)\n"
+ " Report Size (1)\n"
+ " Usage Page (Led)\n"
+ " Usage Minimum (0x1)\n"
+ " Usage Maximum (0x5)\n"
+ " Output (Dat|Arr|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Report Count (1)\n"
+ " Report Size (3)\n"
+ " Output (Con|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Report Count (6)\n"
+ " Report Size (8)\n"
+ " Logical Minimum (0)\n"
+ " Logical Maximum (101)\n"
+ " Usage Page (Keyboard)\n"
+ " Usage Minimum (0x0)\n"
+ " Usage Maximum (0x65)\n"
+ " Input (Dat|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ "End Collection\n"};
+
+ ParseDescriptor(std::string(parsed_expected), kKeyboard, sizeof(kKeyboard));
+}
+
+TEST_F(HidReportDescriptorTest, TopLevelCollections_Keyboard) {
+ HidUsageAndPage tlcs_expected[] = {
+ HidUsageAndPage(HidUsageAndPage::kPageGenericDesktop, 0x06)};
+
+ GetTopLevelCollections(
+ std::vector<HidUsageAndPage>(
+ tlcs_expected, tlcs_expected + ARRAYSIZE_UNSAFE(tlcs_expected)),
+ kKeyboard,
+ sizeof(kKeyboard));
+}
+
+TEST_F(HidReportDescriptorTest, ParseDescriptor_Mouse) {
+ const char parsed_expected[] = {
+ "Usage Page (Generic Desktop)\n"
+ "Usage (0x2)\n"
+ "Collection (Physical)\n"
+ " Usage (0x1)\n"
+ " Collection (Physical)\n"
+ " Usage Page (Button)\n"
+ " Usage Minimum (0x1)\n"
+ " Usage Maximum (0x3)\n"
+ " Logical Minimum (0)\n"
+ " Logical Maximum (1)\n"
+ " Report Count (3)\n"
+ " Report Size (1)\n"
+ " Input (Dat|Arr|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Report Count (1)\n"
+ " Report Size (5)\n"
+ " Input (Con|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Usage Page (Generic Desktop)\n"
+ " Usage (0x30)\n"
+ " Usage (0x31)\n"
+ " Logical Minimum (129)\n"
+ " Logical Maximum (127)\n"
+ " Report Size (8)\n"
+ " Report Count (2)\n"
+ " Input (Dat|Arr|Abs|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " End Collection\n"
+ "End Collection\n"};
+
+ ParseDescriptor(std::string(parsed_expected), kMouse, sizeof(kMouse));
+}
+
+TEST_F(HidReportDescriptorTest, TopLevelCollections_Mouse) {
+ HidUsageAndPage tlcs_expected[] = {
+ HidUsageAndPage(HidUsageAndPage::kPageGenericDesktop, 0x02)};
+
+ GetTopLevelCollections(
+ std::vector<HidUsageAndPage>(
+ tlcs_expected, tlcs_expected + ARRAYSIZE_UNSAFE(tlcs_expected)),
+ kMouse,
+ sizeof(kMouse));
+}
+
+TEST_F(HidReportDescriptorTest, ParseDescriptor_LogitechUnifyingReceiver) {
+ const char parsed_expected[] = {
+ "Usage Page (Vendor)\n"
+ "Usage (0x1)\n"
+ "Collection (Physical)\n"
+ " Report ID (0x10)\n"
+ " Report Size (8)\n"
+ " Report Count (6)\n"
+ " Logical Minimum (0)\n"
+ " Logical Maximum (255)\n"
+ " Usage (0x1)\n"
+ " Input (Dat|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Usage (0x1)\n"
+ " Output (Dat|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ "End Collection\n"
+ "Usage Page (Vendor)\n"
+ "Usage (0x2)\n"
+ "Collection (Physical)\n"
+ " Report ID (0x11)\n"
+ " Report Size (8)\n"
+ " Report Count (19)\n"
+ " Logical Minimum (0)\n"
+ " Logical Maximum (255)\n"
+ " Usage (0x2)\n"
+ " Input (Dat|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Usage (0x2)\n"
+ " Output (Dat|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ "End Collection\n"
+ "Usage Page (Vendor)\n"
+ "Usage (0x4)\n"
+ "Collection (Physical)\n"
+ " Report ID (0x20)\n"
+ " Report Size (8)\n"
+ " Report Count (14)\n"
+ " Logical Minimum (0)\n"
+ " Logical Maximum (255)\n"
+ " Usage (0x41)\n"
+ " Input (Dat|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Usage (0x41)\n"
+ " Output (Dat|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Report ID (0x21)\n"
+ " Report Count (31)\n"
+ " Logical Minimum (0)\n"
+ " Logical Maximum (255)\n"
+ " Usage (0x42)\n"
+ " Input (Dat|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ " Usage (0x42)\n"
+ " Output (Dat|Var|Rel|NoWrp|Lin|Prf|NoNull|BitF)\n"
+ "End Collection\n"};
+
+ ParseDescriptor(std::string(parsed_expected),
+ kLogitechUnifyingReceiver,
+ sizeof(kLogitechUnifyingReceiver));
+}
+
+TEST_F(HidReportDescriptorTest, TopLevelCollections_LogitechUnifyingReceiver) {
+ HidUsageAndPage tlcs_expected[] = {
+ HidUsageAndPage(HidUsageAndPage::kPageVendor, 0x01),
+ HidUsageAndPage(HidUsageAndPage::kPageVendor, 0x02),
+ HidUsageAndPage(HidUsageAndPage::kPageVendor, 0x04),
+ };
+
+ GetTopLevelCollections(
+ std::vector<HidUsageAndPage>(
+ tlcs_expected, tlcs_expected + ARRAYSIZE_UNSAFE(tlcs_expected)),
+ kLogitechUnifyingReceiver,
+ sizeof(kLogitechUnifyingReceiver));
+}
+
+} // namespace device
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