#5571: Add unit test checking a specific sinTable lookup I happened t…

…o debug
codereader · Mar 23, 2021 · d068f28 · d068f28
1 parent c996c54
commit d068f28
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diff --git a/test/Materials.cpp b/test/Materials.cpp
@@ -110,6 +110,18 @@ TEST_F(MaterialsTest, IdentifyAmbientLight)
     EXPECT_FALSE(nonLight->isAmbientLight());
 }
 
+TEST_F(MaterialsTest, MaterialSinTableLookup)
+{
+    auto material = GlobalMaterialManager().getMaterial("textures/parsertest/expressions/sinTableLookup");
+
+    auto& stage = material->getAllLayers().front();
+
+    // Set time to 5008 seconds, this is the value I happened to run into when debugging this in the engine
+    stage->evaluateExpressions(5008);
+
+    EXPECT_FLOAT_EQ(stage->getAlphaTest(), -0.00502608204f);
+}
+
 TEST_F(MaterialsTest, MaterialParserPolygonOffset)
 {
     auto& materialManager = GlobalMaterialManager();

diff --git a/test/resources/tdm/materials/parsertest.mtr b/test/resources/tdm/materials/parsertest.mtr
@@ -490,3 +490,11 @@ textures/parsertest/lights/lightfalloff3
 	}
 }
 
+textures/parsertest/expressions/sinTableLookup
+{
+	{
+		blend diffusemap
+		map _white
+		alphaTest sinTable[0.5008]
+	}
+}