1 files changed, 22 insertions, 0 deletions
diff --git a/test/dx.c b/test/dx.c
new file mode 100644
index 0000000..f5ee94c
--- /dev/null
+++ b/test/dx.c
@@ -0,0 +1,22 @@
+#include <math.h>
+#include <stddef.h>
+#include "ts.h"
+
+bool ts_test_dx( void )
+{
+    fp_t const o[] = { 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 };
+    fp_t const h[] = { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
+    fp_t const l[] = { 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 };
+    fp_t const c[] = { 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 };
+
+    fp_t const * const x[] = { o, h, l, c };
+
+    /* k=3, all bars identical pattern */
+    /* +DM=2, -DM=0, TR=3, EMA values stable at 2, 0, 3 */
+    /* +DI=66.667, -DI=0, DX=100 */
+    fp_t const e[] = { 100, 100, 100, 100, 100, 100, 100 };
+    fp_t const * const exp[1] = { e };
+
+    uint_t k = 3;
+    return ts_test(ts_dx, ts_dx_offset, x, exp, sizeof( o ) / sizeof( *o ), (ts_constant_t *)&k, &ts_dx_p);
+}