first commit

libraries/FastLED/tests/test_sin32.cpp

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+
+// g++ --std=c++11 test.cpp
+
+#include "test.h"
+
+#include "test.h"
+#include "fl/sin32.h"
+
+#include "fl/namespace.h"
+FASTLED_USING_NAMESPACE
+
+// 16777216 is 1 cycle
+const uint32_t _360 = 16777216;
+const uint32_t _ONE = 2147418112;
+const uint32_t _NEG_ONE = -2147418112;
+
+TEST_CASE("compile test") {
+    int32_t result = sin32(0);
+    REQUIRE(result == 0);
+
+    result = sin32(_360);
+    REQUIRE(result == 0);
+
+    result = sin32(_360 / 4);
+    REQUIRE(result == _ONE);
+
+    result = sin32(_360 / 2);
+    REQUIRE(result == 0);
+
+    result = sin32(_360 / 4 * 3);
+    REQUIRE(result == _NEG_ONE);
+    
+}