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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <memory>
     18 
     19 #include <linux/input.h>
     20 
     21 #include <gtest/gtest.h>
     22 
     23 #include "InputMocks.h"
     24 #include "MockInputHost.h"
     25 #include "MouseInputMapper.h"
     26 
     27 using ::testing::_;
     28 using ::testing::Args;
     29 using ::testing::InSequence;
     30 using ::testing::Return;
     31 using ::testing::UnorderedElementsAre;
     32 
     33 namespace android {
     34 namespace tests {
     35 
     36 class MouseInputMapperTest : public ::testing::Test {
     37 protected:
     38      virtual void SetUp() override {
     39          mMapper = std::make_unique<MouseInputMapper>();
     40      }
     41 
     42      MockInputHost mHost;
     43      std::unique_ptr<MouseInputMapper> mMapper;
     44 };
     45 
     46 TEST_F(MouseInputMapperTest, testConfigureDevice) {
     47     MockInputReportDefinition reportDef;
     48     MockInputDeviceNode deviceNode;
     49     deviceNode.addKeys(BTN_LEFT, BTN_RIGHT, BTN_MIDDLE);
     50     deviceNode.addRelAxis(REL_X);
     51     deviceNode.addRelAxis(REL_Y);
     52 
     53     const auto id = INPUT_COLLECTION_ID_MOUSE;
     54     EXPECT_CALL(reportDef, addCollection(id, 1));
     55     EXPECT_CALL(reportDef, declareUsage(id, INPUT_USAGE_AXIS_X, _, _, _));
     56     EXPECT_CALL(reportDef, declareUsage(id, INPUT_USAGE_AXIS_Y, _, _, _));
     57     EXPECT_CALL(reportDef, declareUsages(id, _, 3))
     58         .With(Args<1,2>(UnorderedElementsAre(
     59                         INPUT_USAGE_BUTTON_PRIMARY,
     60                         INPUT_USAGE_BUTTON_SECONDARY,
     61                         INPUT_USAGE_BUTTON_TERTIARY)));
     62 
     63     EXPECT_TRUE(mMapper->configureInputReport(&deviceNode, &reportDef));
     64 }
     65 
     66 TEST_F(MouseInputMapperTest, testConfigureDevice_noXAxis) {
     67     MockInputReportDefinition reportDef;
     68     MockInputDeviceNode deviceNode;
     69 
     70     EXPECT_CALL(reportDef, addCollection(INPUT_COLLECTION_ID_MOUSE, 1));
     71     EXPECT_CALL(reportDef, declareUsage(_, _, _, _, _)).Times(0);
     72     EXPECT_CALL(reportDef, declareUsages(_, _, _)).Times(0);
     73 
     74     EXPECT_FALSE(mMapper->configureInputReport(&deviceNode, &reportDef));
     75 }
     76 
     77 TEST_F(MouseInputMapperTest, testProcessInput) {
     78     MockInputReportDefinition reportDef;
     79     MockInputDeviceNode deviceNode;
     80     deviceNode.addKeys(BTN_LEFT, BTN_RIGHT, BTN_MIDDLE);
     81     deviceNode.addRelAxis(REL_X);
     82     deviceNode.addRelAxis(REL_Y);
     83 
     84     EXPECT_CALL(reportDef, addCollection(_, _));
     85     EXPECT_CALL(reportDef, declareUsage(_, _, _, _, _)).Times(2);
     86     EXPECT_CALL(reportDef, declareUsages(_, _, 3));
     87 
     88     mMapper->configureInputReport(&deviceNode, &reportDef);
     89 
     90     MockInputReport report;
     91     EXPECT_CALL(reportDef, allocateReport())
     92         .WillOnce(Return(&report));
     93 
     94     {
     95         // Test two switch events in order
     96         InSequence s;
     97         const auto id = INPUT_COLLECTION_ID_MOUSE;
     98         EXPECT_CALL(report, setIntUsage(id, INPUT_USAGE_AXIS_X, 5, 0));
     99         EXPECT_CALL(report, setIntUsage(id, INPUT_USAGE_AXIS_Y, -3, 0));
    100         EXPECT_CALL(report, reportEvent(_));
    101         EXPECT_CALL(report, setBoolUsage(id, INPUT_USAGE_BUTTON_PRIMARY, 1, 0));
    102         EXPECT_CALL(report, reportEvent(_));
    103         EXPECT_CALL(report, setBoolUsage(id, INPUT_USAGE_BUTTON_PRIMARY, 0, 0));
    104         EXPECT_CALL(report, reportEvent(_));
    105     }
    106 
    107     InputEvent events[] = {
    108         {0, EV_REL, REL_X, 5},
    109         {1, EV_REL, REL_Y, -3},
    110         {2, EV_SYN, SYN_REPORT, 0},
    111         {0, EV_KEY, BTN_LEFT, 1},
    112         {1, EV_SYN, SYN_REPORT, 0},
    113         {2, EV_KEY, BTN_LEFT, 0},
    114         {3, EV_SYN, SYN_REPORT, 0},
    115     };
    116     for (auto e : events) {
    117         mMapper->process(e);
    118     }
    119 }
    120 
    121 }  // namespace tests
    122 }  // namespace android
    123 
    124