Method setTestInfinity

tests/gpu/GPUUnitTest.h:76–76

        // in each channel of the test values.
        inline bool getTestInfinity() const { return m_testInfinity; }
        inline void setTestInfinity(bool use) { m_testInfinity = use; }

        // Provide a set of RGBA values to test (otherwise a neutral ramp will be used).
        // TestWideRange, TestNaN & TestInfinity are used when m_inputValues is empty.