Merge branch 'feature/unit-tests' into develop

1 files changed, 22 insertions, 0 deletions

diff --git a/tests/xttest_util.hpp b/tests/xttest_util.hpp
new file mode 100644
index 0000000..dbf075c
--- /dev/null
+++ b/tests/xttest_util.hpp
@@ -0,0 +1,22 @@
+
+
+#include <stdint.h>
+
+// Fill table with sine wave at given frequency and amplitude
+void xttest_gen_sine(double *table, uint32_t tablesize, double samplerate, double frequency, double amplitude);
+
+// Fill table with sawtooth wave at given frequency and amplitude
+void xttest_gen_sawtooth(double *table, uint32_t tablesize, double samplerate, double frequency, double amplitude);
+
+// Fill table with noise at given frequency and amplitude
+// N.B. The implementation actually provides "fake" noise from a table for reproducible testing
+void xttest_gen_noise(double *table, uint32_t tablesize, double amplitude);
+
+// Add table1 and table2 sample-by-sample leaving the result in table1
+void xttest_add(double *table1, double *table2, uint32_t tablesize);
+
+// Multiply table by a constant leavint the result in table
+void xttest_mul(double *table, uint32_t tablesize, double constant);
+
+// Return MIDI cent value for frequency
+uint16_t xttest_ftom(double frequency);