diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/fastmouse_test.cc | 82 |
1 files changed, 79 insertions, 3 deletions
diff --git a/src/fastmouse_test.cc b/src/fastmouse_test.cc index 36d13e3..4b2bf5c 100644 --- a/src/fastmouse_test.cc +++ b/src/fastmouse_test.cc @@ -1,11 +1,11 @@ #include "gtest/gtest.h" -#include <iostream> #define FASTMOUSE_IMPL #include "fastmouse.h" #undef FASTMOUSE_IMPL -constexpr float EPSILON = 0.000001; +#include <cmath> + // Wrappers to avoid specifying params we do not use here. static void input_emit() { fastmouse_input_emit(nullptr); @@ -44,10 +44,12 @@ TEST_F(FastmouseTest, simple_division) { 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 + // '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. + // We do not actually lose precision, it's just that we can only emit events in + // discreet intervals. input_event(REL_X, 2); input_emit(); @@ -81,4 +83,78 @@ TEST_F(FastmouseTest, different_axis_division) { input_emit(); EXPECT_EQ(movement.x, 20); EXPECT_EQ(movement.y, 5); +} + +TEST_F(FastmouseTest, simple_rotation) { + // scripts/set_rotation.sh 45 + fastmouse.rise = 1518500249; + fastmouse.run = 1518500249; + + input_event(REL_X, 10'000); + input_emit(); + EXPECT_EQ(movement.x, 7071); + EXPECT_EQ(movement.y, 7071); + // It's important we do not add distance when calculating rotation! + EXPECT_EQ(static_cast<int>(std::sqrt(movement.x * movement.x + movement.y * movement.y)), 9999); +} + +TEST_F(FastmouseTest, simple_y_rotation) { + // scripts/set_rotation.sh 45 + fastmouse.rise = 1518500249; + fastmouse.run = 1518500249; + + input_event(REL_Y, 10'000); + input_emit(); + EXPECT_EQ(movement.x, -7071); + EXPECT_EQ(movement.y, 7071); + EXPECT_EQ(static_cast<int>(std::sqrt(movement.x * movement.x + movement.y * movement.y)), 9999); +} + +TEST_F(FastmouseTest, negative_rotation) { + // scripts/set_rotation.sh -120 + fastmouse.rise = -1859775393; + fastmouse.run = -1073741824; + + input_event(REL_X, 500); + input_emit(); + EXPECT_EQ(movement.x, -250); + EXPECT_EQ(movement.y, -433); + EXPECT_EQ(static_cast<int>(std::sqrt(movement.x * movement.x + movement.y * movement.y)), 499); +} + +TEST_F(FastmouseTest, inversion_rotation) { + // scripts/set_rotation.sh 180 + fastmouse.rise = 0; + fastmouse.run = -2147483648; + + input_event(REL_X, 500); + input_emit(); + EXPECT_EQ(movement.x, -500); + EXPECT_EQ(movement.y, 0); + EXPECT_EQ(static_cast<int>(std::sqrt(movement.x * movement.x + movement.y * movement.y)), 500); +} + +TEST_F(FastmouseTest, sideways_rotation) { + // scripts/set_rotation.sh 90 + fastmouse.rise = 2147483647; + fastmouse.run = 0; + + input_event(REL_X, 500); + input_emit(); + EXPECT_EQ(movement.x, 0); + EXPECT_EQ(movement.y, 500); + EXPECT_EQ(static_cast<int>(std::sqrt(movement.x * movement.x + movement.y * movement.y)), 500); +} + +TEST_F(FastmouseTest, rotation_with_division) { + fastmouse.division = 10; + // scripts/set_rotation.sh 10 + fastmouse.rise = 372906621; + fastmouse.run = 2114858545; + + input_event(REL_X, 100'000); + input_emit(); + EXPECT_EQ(movement.x, 9848); + EXPECT_EQ(movement.y, 1736); + EXPECT_EQ(static_cast<int>(std::sqrt(movement.x * movement.x + movement.y * movement.y)), 9999); }
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