1 files changed, 84 insertions, 0 deletions
diff --git a/test/tests/TestLine.c b/test/tests/TestLine.c
new file mode 100644
index 0000000..cff9f42
--- /dev/null
+++ b/test/tests/TestLine.c
@@ -0,0 +1,84 @@
+#include <BH/Math/Line.h>
+#include <BH/Unit.h>
+
+
+#define ACCEPTABLE_DELTA 0.0001f
+
+
+BH_UNIT_TEST(FromPoints)
+{
+    float a[2], b[2], r[3];
+
+    a[0] = -8.0f; a[1] = 1.0f;
+    b[0] = -2.0f; b[1] = 3.0f;
+
+    BH_VERIFY(BH_LineFromPoints(a, b, r) == BH_OK);
+    BH_VERIFY_DELTA(r[0],-0.3162f, ACCEPTABLE_DELTA);
+    BH_VERIFY_DELTA(r[1], 0.9487f, ACCEPTABLE_DELTA);
+    BH_VERIFY_DELTA(r[2], 3.4785f, ACCEPTABLE_DELTA);
+
+    return 0;
+}
+
+
+BH_UNIT_TEST(Degenerate)
+{
+    float a[2], b[2], r[3];
+
+    a[0] = -8.0f; a[1] = 1.0f;
+    b[0] = -8.0f; b[1] = 1.0f;
+
+    BH_VERIFY(BH_LineFromPoints(a, b, r) != BH_OK);
+
+    return 0;
+}
+
+
+BH_UNIT_TEST(Distance)
+{
+    float a[2], b[2], r[3];
+
+    a[0] = -8.0f; a[1] = 1.0f;
+    b[0] = -2.0f; b[1] = 3.0f;
+
+    BH_VERIFY(BH_LineFromPoints(a, b, r) == BH_OK);
+    BH_VERIFY_DELTA(BH_LineDistance(r, a), 0.0000f, ACCEPTABLE_DELTA);
+    BH_VERIFY_DELTA(BH_LineDistance(r, b), 0.0000f, ACCEPTABLE_DELTA);
+
+    a[0] = -7.0f; a[1] = 4.0f;
+    BH_VERIFY_DELTA(BH_LineDistance(r, a), 2.5298f, ACCEPTABLE_DELTA);
+
+    return 0;
+}
+
+
+BH_UNIT_TEST(ClosestPoint)
+{
+    float a[2], b[2], r[3];
+
+    a[0] = -8.0f; a[1] = 1.0f;
+    b[0] = -2.0f; b[1] = 3.0f;
+
+    BH_VERIFY(BH_LineFromPoints(a, b, r) == BH_OK);
+
+    a[0] = -7.0f; a[1] = 4.0f;
+    BH_LineClosestPoint(r, a, b);
+    BH_VERIFY_DELTA(b[0],-6.2000f, ACCEPTABLE_DELTA);
+    BH_VERIFY_DELTA(b[1], 1.6000f, ACCEPTABLE_DELTA);
+
+    return 0;
+}
+
+
+int main(int argc, char **argv)
+{
+    (void)argc;
+    (void)argv;
+
+    BH_UNIT_ADD(FromPoints);
+    BH_UNIT_ADD(Degenerate);
+    BH_UNIT_ADD(Distance);
+    BH_UNIT_ADD(ClosestPoint);
+
+    return BH_UnitRun();
+}