paysages3d/src/tests/VertexArray_Test.cpp

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#include "BaseTestCase.h"
#include "VertexArray.h"
class TestVertex
{
public:
float uv[2];
int loc[3];
bool operator==(const TestVertex &other) const
{
return other.uv[0] == uv[0]
and other.uv[1] == uv[1]
and other.loc[0] == loc[0]
and other.loc[1] == loc[1]
and other.loc[2] == loc[2];
}
};
TEST(VertexArray, grid)
{
VertexArray<TestVertex> array;
array.setGridSize(3);
ASSERT_EQ(9, array.getVertexCount());
TestVertex v1 = {{0.1, 0.2}, {1, 2, 3}};
TestVertex vgot;
array.setGridVertex(3, 1, 2, v1);
vgot = array.getGridVertex(3, 1, 2);
EXPECT_EQ(v1, vgot);
vgot = array.getVertex(7);
EXPECT_EQ(v1, vgot);
}
TEST(VertexArray, gridIndices)
{
VertexArray<TestVertex> array;
array.setGridSize(3);
array.setAutoGridIndices(3);
ASSERT_EQ(24, array.getIndexCount());
EXPECT_EQ(0, array.getIndex(0));
EXPECT_EQ(3, array.getIndex(1));
EXPECT_EQ(1, array.getIndex(2));
EXPECT_EQ(1, array.getIndex(3));
EXPECT_EQ(3, array.getIndex(4));
EXPECT_EQ(4, array.getIndex(5));
EXPECT_EQ(1, array.getIndex(6));
EXPECT_EQ(4, array.getIndex(7));
EXPECT_EQ(2, array.getIndex(8));
EXPECT_EQ(2, array.getIndex(9));
EXPECT_EQ(4, array.getIndex(10));
EXPECT_EQ(5, array.getIndex(11));
EXPECT_EQ(3, array.getIndex(12));
EXPECT_EQ(6, array.getIndex(13));
EXPECT_EQ(4, array.getIndex(14));
}
TEST(VertexArray, gridIndicesStride)
{
VertexArray<TestVertex> array;
array.setGridSize(5);
array.setAutoGridIndices(5, 1);
ASSERT_EQ(96, array.getIndexCount());
array.setAutoGridIndices(5, 2);
ASSERT_EQ(24, array.getIndexCount());
EXPECT_EQ(0, array.getIndex(0));
EXPECT_EQ(10, array.getIndex(1));
EXPECT_EQ(2, array.getIndex(2));
EXPECT_EQ(2, array.getIndex(3));
EXPECT_EQ(10, array.getIndex(4));
EXPECT_EQ(12, array.getIndex(5));
EXPECT_EQ(2, array.getIndex(6));
EXPECT_EQ(12, array.getIndex(7));
EXPECT_EQ(4, array.getIndex(8));
EXPECT_EQ(4, array.getIndex(9));
EXPECT_EQ(12, array.getIndex(10));
EXPECT_EQ(14, array.getIndex(11));
EXPECT_EQ(10, array.getIndex(12));
EXPECT_EQ(20, array.getIndex(13));
EXPECT_EQ(12, array.getIndex(14));
}