61 lines
2.4 KiB
C#
61 lines
2.4 KiB
C#
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using PostIt.Android.Services;
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namespace PostIt.Tests;
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public sealed class CameraFrameOrientationTests
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{
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[Theory]
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[InlineData(90, 0, false, 90)]
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[InlineData(90, 90, false, 0)]
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[InlineData(90, 180, false, 270)]
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[InlineData(90, 270, false, 180)]
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[InlineData(270, 0, true, 270)]
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[InlineData(270, 90, true, 0)]
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[InlineData(270, 180, true, 90)]
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[InlineData(270, 270, true, 180)]
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[InlineData(0, 90, false, 270)]
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[InlineData(180, 270, true, 90)]
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public void Uses_sensor_display_and_lens_facing(int sensor, int display, bool front, int expected)
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=> Assert.Equal(expected, CameraFrameOrientation.GetRotation(sensor, display, front));
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[Theory]
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[InlineData(0, new float[] { 0, 0, 1, 0, 0, 1, 1, 1 })]
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[InlineData(90, new float[] { 1, 0, 1, 1, 0, 0, 0, 1 })]
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[InlineData(180, new float[] { 1, 1, 0, 1, 1, 0, 0, 0 })]
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[InlineData(270, new float[] { 0, 1, 0, 0, 1, 1, 1, 0 })]
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public void Maps_output_corners_to_input_for_clockwise_rotation(int rotation, float[] expected)
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=> Assert.Equal(expected, CameraFrameOrientation.GetTextureCoordinates(rotation));
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[Theory]
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[InlineData(90, 0, -1, 0)]
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[InlineData(270, 0, 1, 0)]
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[InlineData(180, -1, 0, 0)]
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[InlineData(90, 1, 0, 90)]
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[InlineData(270, 1, 0, 270)]
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[InlineData(0, 0, -1, 270)]
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[InlineData(180, 0, -1, 90)]
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public void Does_not_repeat_rotation_already_in_surface_texture(
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int desired, float x, float y, int expected)
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{
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float[] matrix = [x, y, 0, 0, y, -x, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1];
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Assert.Equal(expected, CameraFrameOrientation.GetRemainingRotation(desired, matrix));
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}
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[Fact]
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public void Recognizes_the_measured_rear_camera_transform_even_with_cropping()
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{
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float[] matrix = [0, -0.9f, 0, 0, -0.8f, 0, 0, 0, 0, 0, 1, 0, 0.9f, 0.95f, 0, 1];
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Assert.Equal(0, CameraFrameOrientation.GetRemainingRotation(90, matrix));
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}
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[Theory]
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[InlineData(-90)]
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[InlineData(45)]
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[InlineData(360)]
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public void Rejects_invalid_angles(int rotation)
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{
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Assert.Throws<ArgumentOutOfRangeException>(() => CameraFrameOrientation.GetRotation(rotation, 0, false));
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Assert.Throws<ArgumentOutOfRangeException>(() => CameraFrameOrientation.GetRotation(90, rotation, false));
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Assert.Throws<ArgumentOutOfRangeException>(() => CameraFrameOrientation.GetTextureCoordinates(rotation));
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}
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}
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