87 lines
3.0 KiB
C#
87 lines
3.0 KiB
C#
using NUnit.Framework;
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using UnityEditor;
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using UnityEditor.U2D.Sprites;
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namespace UnityEditor.U2D.Sprites.EditorTests
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{
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internal class SpriteEditorWindowSettingsTests
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{
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float m_InitialMinZoomLevel;
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float m_InitialMaxZoomLevel;
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[SetUp]
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public void SetUp()
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{
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m_InitialMinZoomLevel = SpriteEditorWindowSettings.minZoomLevel;
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m_InitialMaxZoomLevel = SpriteEditorWindowSettings.maxZoomLevel;
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}
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[TearDown]
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public void TearDown()
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{
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SpriteEditorWindowSettings.minZoomLevel = m_InitialMinZoomLevel;
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SpriteEditorWindowSettings.maxZoomLevel = m_InitialMaxZoomLevel;
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}
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[Test]
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public void ZoomSliderMapping_RoundTripsThroughLogScale()
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{
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float[] samples = { 0.5f, 0.75f, 1.0f, 10.0f, 25.0f, 50.0f };
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foreach (float scale in samples)
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{
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float slider = SpriteEditorWindowSettings.ZoomScaleToSlider(scale);
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float restored = SpriteEditorWindowSettings.ZoomSliderToScale(slider);
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Assert.AreEqual(scale, restored, 1e-4f, $"Round-trip failed for scale {scale} (slider t={slider})");
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}
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}
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[Test]
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public void ZoomScaleToSlider_MinLimitMapsToZero()
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{
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Assert.AreEqual(0.0f, SpriteEditorWindowSettings.ZoomScaleToSlider(0.5f), 1e-6f);
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}
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[Test]
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public void ZoomScaleToSlider_MaxLimitMapsToOne()
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{
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Assert.AreEqual(1.0f, SpriteEditorWindowSettings.ZoomScaleToSlider(50.0f), 1e-5f);
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}
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[Test]
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public void ZoomScaleToSlider_ClampsBelowMinToMin()
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{
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float slider = SpriteEditorWindowSettings.ZoomScaleToSlider(0.001f);
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Assert.AreEqual(0.0f, slider, 1e-6f);
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}
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[Test]
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public void ZoomScaleToSlider_ClampsAboveMaxToMax()
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{
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float slider = SpriteEditorWindowSettings.ZoomScaleToSlider(1000.0f);
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Assert.AreEqual(1.0f, slider, 1e-5f);
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}
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[Test]
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public void ZoomPercentMapping_RoundTrips()
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{
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float scale = 2.5f;
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float percent = SpriteEditorWindowSettings.ZoomScaleToPercent(scale);
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Assert.AreEqual(250.0f, percent, 1e-5f);
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Assert.AreEqual(scale, SpriteEditorWindowSettings.ZoomPercentToScale(percent), 1e-5f);
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}
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[Test]
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public void MinMaxZoomLevel_PersistThroughEditorPrefs()
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{
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const float minZ = 0.75f;
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const float maxZ = 25.0f;
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SpriteEditorWindowSettings.minZoomLevel = minZ;
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SpriteEditorWindowSettings.maxZoomLevel = maxZ;
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Assert.AreEqual(minZ, EditorPrefs.GetFloat(SpriteEditorWindowSettings.kMinZoomLevel, -1f), 1e-5f);
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Assert.AreEqual(maxZ, EditorPrefs.GetFloat(SpriteEditorWindowSettings.kMaxZoomLevel, -1f), 1e-5f);
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Assert.AreEqual(minZ, SpriteEditorWindowSettings.minZoomLevel, 1e-5f);
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Assert.AreEqual(maxZ, SpriteEditorWindowSettings.maxZoomLevel, 1e-5f);
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}
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}
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}
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