diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/fastmouse_test.cc | 84 |
1 files changed, 81 insertions, 3 deletions
diff --git a/src/fastmouse_test.cc b/src/fastmouse_test.cc index 9cfa3f2..36d13e3 100644 --- a/src/fastmouse_test.cc +++ b/src/fastmouse_test.cc @@ -1,6 +1,84 @@ -#include "fastmouse.h" #include "gtest/gtest.h" +#include <iostream> + +#define FASTMOUSE_IMPL +#include "fastmouse.h" +#undef FASTMOUSE_IMPL -TEST(TestTest, basictesttest) { - EXPECT_EQ(5 * 1761, 8805); +constexpr float EPSILON = 0.000001; +// Wrappers to avoid specifying params we do not use here. +static void input_emit() { + fastmouse_input_emit(nullptr); } +static void input_event(movement_type m, const int value) { + input_event_fastmouse_log(nullptr, EV_REL, m, value); +} + +class FastmouseTest : public ::testing::Test { +protected: + void SetUp() override { + static auto fp = fastmouse; + static auto mp = movement; + fastmouse = fp; + movement = mp; + } +}; + +TEST_F(FastmouseTest, test_noop) { + EXPECT_EQ(movement.x, 0); + EXPECT_EQ(movement.y, 0); + + input_event(REL_X, 1); + input_event(REL_Y, 1); + input_emit(); + + EXPECT_EQ(movement.x, 1); + EXPECT_EQ(movement.y, 1); +} + +TEST_F(FastmouseTest, simple_division) { + fastmouse.division = 2; + input_event(REL_X, 1); + input_emit(); + + EXPECT_EQ(movement.x, 0); + EXPECT_EQ(movement.y, 0); + + // Loss of precision shows immediately here, it's not a big issue that the first + // two dots do not emit an event, it only occurs again after the next INT_MAX dots. + // All tests will exhibit this behaviour where the first division dots do not emit an event + // as expected unless INT_MAX % division == 0. + input_event(REL_X, 2); + input_emit(); + + EXPECT_EQ(movement.x, 1); + EXPECT_EQ(movement.y, 0); + + input_event(REL_Y, 3); + input_emit(); + EXPECT_EQ(movement.x, 1); + EXPECT_EQ(movement.y, 1); +} + +TEST_F(FastmouseTest, high_division) { + fastmouse.division = 20; + for (auto i = 0; i < 20; ++i) { + input_event(REL_X, 1); + input_emit(); + EXPECT_EQ(movement.x, 0); + EXPECT_EQ(movement.y, 0); + } + input_event(REL_X, 1); + input_emit(); + EXPECT_EQ(movement.x, 1); +} + +TEST_F(FastmouseTest, different_axis_division) { + fastmouse.division = 10; + + input_event(REL_X, 201); + input_event(REL_Y, 51); + input_emit(); + EXPECT_EQ(movement.x, 20); + EXPECT_EQ(movement.y, 5); +}
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