add channel_set_volume and channel_set_pan

1 files changed, 46 insertions, 0 deletions

diff --git a/src/channel.test.c b/src/channel.test.c
index 4fddf45..2c5cdad 100644
--- a/src/channel.test.c
+++ b/src/channel.test.c
@@ -103,6 +103,50 @@ void test_channel_resume()
 }
 
 
+void test_channel_set_volume()
+{
+	struct channel_t chan;
+	chan.volume = 255;
+
+	channel_set_volume(&chan, 0.0f);
+	lily_assert_int_equal(chan.volume, 0);
+	channel_set_volume(&chan, 0.5f);
+	lily_assert_int_equal(chan.volume, 127);
+	channel_set_volume(&chan, 1.0f);
+	lily_assert_int_equal(chan.volume, 255);
+
+	/* oob */
+	channel_set_volume(&chan, -1.0f);
+	lily_assert_int_equal(chan.volume, 0);
+	channel_set_volume(&chan, 2.0f);
+	lily_assert_int_equal(chan.volume, 255);
+}
+
+
+void test_channel_set_pan()
+{
+	struct channel_t chan;
+	chan.pan = 255;
+
+	channel_set_pan(&chan, -1.0f);
+	lily_assert_int_equal(chan.pan, -128);
+	channel_set_pan(&chan, -0.5f);
+	lily_assert_int_equal(chan.pan, -64);
+	channel_set_pan(&chan, 0.0f);
+	lily_assert_int_equal(chan.pan, 0);
+	channel_set_pan(&chan, 0.5f);
+	lily_assert_int_equal(chan.pan, 64);
+	channel_set_pan(&chan, 1.0f);
+	lily_assert_int_equal(chan.pan, 128);
+
+	/* oob */
+	channel_set_pan(&chan, -10.0f);
+	lily_assert_int_equal(chan.pan, -128);
+	channel_set_pan(&chan, 2.0f);
+	lily_assert_int_equal(chan.pan, 128);
+}
+
+
 /* get_next_sample tests */
 void test_channel_get_next_sample_inactive()
 {
@@ -217,6 +261,8 @@ void suite_channel()
 	lily_run_test(test_channel_reset);
 	lily_run_test(test_channel_pause);
 	lily_run_test(test_channel_resume);
+	lily_run_test(test_channel_set_volume);
+	lily_run_test(test_channel_set_pan);
 
 	lily_run_test(test_channel_get_next_sample_inactive);
 	lily_run_test(test_channel_get_next_sample_paused);