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jMonkeyEngine is a 3-D game engine for adventurous Java developers
/*
* Copyright (c) 2009-2021 jMonkeyEngine
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*
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* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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package com.jme3.shader;
import com.jme3.math.*;
import org.junit.Test;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.util.Arrays;
import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
public class UniformTest {
@Test
public void testSetValue_IntArray() {
Uniform uniform = new Uniform();
// Set value for the first time
int[] intArray1 = new int[] {1, 2, 4, 8};
uniform.setValue(VarType.IntArray, intArray1);
assertTrue(uniform.getValue() instanceof IntBuffer);
verifyIntBufferContent((IntBuffer) uniform.getValue(), intArray1);
// Overriding the previous value
int[] intArray2 = new int[] {3, 5, 7, 11, 13};
uniform.setValue(VarType.IntArray, intArray2);
assertTrue(uniform.getValue() instanceof IntBuffer);
verifyIntBufferContent((IntBuffer) uniform.getValue(), intArray2);
}
private void verifyIntBufferContent(IntBuffer intBuffer, int[] intArray) {
assertEquals(0, intBuffer.position());
assertEquals(intArray.length, intBuffer.capacity());
assertEquals(intArray.length, intBuffer.limit());
for (int i = 0; i < intArray.length; i++) {
assertEquals(intArray[i], intBuffer.get(i));
}
}
@Test
public void testSetValue_FloatArray() {
Uniform uniform = new Uniform();
// Set value for the first time
float[] floatArray1 = new float[] {1.1f, 2.2f, 4.4f, 8.8f};
uniform.setValue(VarType.FloatArray, floatArray1);
verifyFloatBufferContent(uniform.getMultiData(), floatArray1);
// Overriding the previous value
float[] floatArray2 = new float[] {3.3f, 5.5f, 7.7f, 11.11f, 13.13f};
uniform.setValue(VarType.FloatArray, floatArray2);
verifyFloatBufferContent(uniform.getMultiData(), floatArray2);
}
@Test
public void testSetValue_Vector2Array() {
Uniform uniform = new Uniform();
// Set value for the first time
float[] expectedData1 = new float[] {
1.1f, 2.2f,
3.3f, 4.4f
};
Vector2f[] vector2Array1 = new Vector2f[] {
new Vector2f(expectedData1[0], expectedData1[1]),
new Vector2f(expectedData1[2], expectedData1[3])
};
uniform.setValue(VarType.Vector2Array, vector2Array1);
verifyFloatBufferContent(uniform.getMultiData(), expectedData1);
// Overriding the previous value
float[] expectedData2 = new float[] {
1.2f, 2.3f,
3.4f, 4.5f,
5.6f, 6.7f
};
Vector2f[] vector2Array2 = new Vector2f[] {
new Vector2f(expectedData2[0], expectedData2[1]),
new Vector2f(expectedData2[2], expectedData2[3]),
new Vector2f(expectedData2[4], expectedData2[5])
};
uniform.setValue(VarType.Vector2Array, vector2Array2);
verifyFloatBufferContent(uniform.getMultiData(), expectedData2);
}
@Test
public void testSetValue_Vector3Array() {
Uniform uniform = new Uniform();
// Set value for the first time
float[] expectedData1 = new float[] {
1.1f, 2.2f, 3.3f,
4.4f, 5.5f, 6.6f
};
Vector3f[] vector3Array1 = new Vector3f[] {
new Vector3f(expectedData1[0], expectedData1[1], expectedData1[2]),
new Vector3f(expectedData1[3], expectedData1[4], expectedData1[5])
};
uniform.setValue(VarType.Vector3Array, vector3Array1);
verifyFloatBufferContent(uniform.getMultiData(), expectedData1);
// Overriding the previous value
float[] expectedData2 = new float[] {
1.2f, 2.3f, 3.4f,
4.5f, 5.6f, 6.7f,
7.8f, 8.9f, 9.1f
};
Vector3f[] vector3Array2 = new Vector3f[] {
new Vector3f(expectedData2[0], expectedData2[1], expectedData2[2]),
new Vector3f(expectedData2[3], expectedData2[4], expectedData2[5]),
new Vector3f(expectedData2[6], expectedData2[7], expectedData2[8])
};
uniform.setValue(VarType.Vector3Array, vector3Array2);
verifyFloatBufferContent(uniform.getMultiData(), expectedData2);
}
@Test
public void testSetValue_Vector4Array() {
Uniform uniform = new Uniform();
// Set value for the first time
float[] expectedData1 = new float[] {
1.1f, 2.2f, 3.3f, 4.4f,
5.5f, 6.6f, 7.7f, 8.8f
};
Vector4f[] vector4Array1 = new Vector4f[] {
new Vector4f(expectedData1[0], expectedData1[1], expectedData1[2], expectedData1[3]),
new Vector4f(expectedData1[4], expectedData1[5], expectedData1[6], expectedData1[7])
};
uniform.setValue(VarType.Vector4Array, vector4Array1);
verifyFloatBufferContent(uniform.getMultiData(), expectedData1);
// Overriding the previous value
float[] expectedData2 = new float[] {
1.2f, 2.3f, 3.4f, 4.5f,
5.6f, 6.7f, 7.8f, 8.9f,
9.10f, 10.11f, 11.12f, 12.13f
};
Vector4f[] vector4Array2 = new Vector4f[] {
new Vector4f(expectedData2[0], expectedData2[1], expectedData2[2], expectedData2[3]),
new Vector4f(expectedData2[4], expectedData2[5], expectedData2[6], expectedData2[7]),
new Vector4f(expectedData2[8], expectedData2[9], expectedData2[10], expectedData2[11])
};
uniform.setValue(VarType.Vector4Array, vector4Array2);
verifyFloatBufferContent(uniform.getMultiData(), expectedData2);
}
@Test
public void testSetValue_Matrix3Array() {
Uniform uniform = new Uniform();
// Set value for the first time
float[] expectedData1 = new float[] {
1.1f, 2.2f, 3.3f,
4.4f, 5.5f, 6.6f,
7.7f, 8.8f, 9.9f,
10.10f, 11.11f, 12.12f,
13.13f, 14.14f, 15.15f,
16.16f, 17.17f, 18.18f
};
Matrix3f[] matrix3Array1 = new Matrix3f[] {
new Matrix3f(
expectedData1[0], expectedData1[3], expectedData1[6],
expectedData1[1], expectedData1[4], expectedData1[7],
expectedData1[2], expectedData1[5], expectedData1[8]
),
new Matrix3f(
expectedData1[9], expectedData1[12], expectedData1[15],
expectedData1[10], expectedData1[13], expectedData1[16],
expectedData1[11], expectedData1[14], expectedData1[17]
)
};
uniform.setValue(VarType.Matrix3Array, matrix3Array1);
verifyFloatBufferContent(uniform.getMultiData(), expectedData1);
// Overriding the previous value
float[] expectedData2 = new float[] {
1.2f, 2.3f, 3.4f,
4.5f, 5.6f, 6.7f,
7.8f, 8.9f, 9.1f,
10.11f, 11.12f, 12.13f,
13.14f, 14.15f, 15.16f,
16.17f, 17.18f, 18.19f,
19.20f, 20.21f, 21.22f,
22.23f, 23.24f, 24.25f,
25.26f, 26.27f, 27.28f
};
Matrix3f[] matrix3Array2 = new Matrix3f[] {
new Matrix3f(
expectedData2[0], expectedData2[3], expectedData2[6],
expectedData2[1], expectedData2[4], expectedData2[7],
expectedData2[2], expectedData2[5], expectedData2[8]
),
new Matrix3f(
expectedData2[9], expectedData2[12], expectedData2[15],
expectedData2[10], expectedData2[13], expectedData2[16],
expectedData2[11], expectedData2[14], expectedData2[17]
),
new Matrix3f(
expectedData2[18], expectedData2[21], expectedData2[24],
expectedData2[19], expectedData2[22], expectedData2[25],
expectedData2[20], expectedData2[23], expectedData2[26]
)
};
uniform.setValue(VarType.Matrix3Array, matrix3Array2);
verifyFloatBufferContent(uniform.getMultiData(), expectedData2);
}
@Test
public void testSetValue_Matrix4Array() {
Uniform uniform = new Uniform();
// Set value for the first time
float[] expectedData1 = new float[] {
1.1f, 2.2f, 3.3f, 4.4f,
5.5f, 6.6f, 7.7f, 8.8f,
9.9f, 10.10f, 11.11f, 12.12f,
13.13f, 14.14f, 15.15f, 16.16f,
17.17f, 18.18f, 19.19f, 20.20f,
21.21f, 22.22f, 23.23f, 24.24f,
25.25f, 26.26f, 27.27f, 28.28f,
29.29f, 30.30f, 31.31f, 32.32f
};
Matrix4f[] matrix4Array1 = new Matrix4f[] {
new Matrix4f(Arrays.copyOfRange(expectedData1, 0, 16)),
new Matrix4f(Arrays.copyOfRange(expectedData1, 16, 32))
};
uniform.setValue(VarType.Matrix4Array, matrix4Array1);
verifyFloatBufferContent(uniform.getMultiData(), expectedData1);
// Overriding the previous value
float[] expectedData2 = new float[] {
1.2f, 2.3f, 3.4f, 4.5f,
5.6f, 6.7f, 7.8f, 8.9f,
9.1f, 10.11f, 11.12f, 12.13f,
13.14f, 14.15f, 15.16f, 16.17f,
17.18f, 18.19f, 19.20f, 20.21f,
21.22f, 22.23f, 23.24f, 24.25f,
25.26f, 26.27f, 27.28f, 28.29f,
29.30f, 30.31f, 31.32f, 32.33f,
33.34f, 34.35f, 35.36f, 36.37f,
37.38f, 38.39f, 39.40f, 40.41f,
41.42f, 42.43f, 43.44f, 44.45f,
45.46f, 46.47f, 47.48f, 48.49f
};
Matrix4f[] matrix4Array2 = new Matrix4f[] {
new Matrix4f(Arrays.copyOfRange(expectedData2, 0, 16)),
new Matrix4f(Arrays.copyOfRange(expectedData2, 16, 32)),
new Matrix4f(Arrays.copyOfRange(expectedData2, 32, 48))
};
uniform.setValue(VarType.Matrix4Array, matrix4Array2);
verifyFloatBufferContent(uniform.getMultiData(), expectedData2);
}
private void verifyFloatBufferContent(FloatBuffer floatBuffer, float[] floatArray) {
assertEquals(0, floatBuffer.position());
assertEquals(floatArray.length, floatBuffer.capacity());
assertEquals(floatArray.length, floatBuffer.limit());
for (int i = 0; i < floatArray.length; i++) {
assertEquals(floatArray[i], floatBuffer.get(i), 0f);
}
}
}
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