Add check before dereferencing pointer.

[dcpomatic.git] / test / mca_subdescriptors_test.cc

diff --git a/test/mca_subdescriptors_test.cc b/test/mca_subdescriptors_test.cc
index d3702b9ccd405ce32e2ec7fab4dfe873a23af1ee..e34a909f44827274ccd74f365e5ab717b2337120 100644 (file)
--- a/test/mca_subdescriptors_test.cc
+++ b/test/mca_subdescriptors_test.cc
@@ -72,12 +72,26 @@ test_descriptors(int mxf_channels, vector<dcp::Channel> active_channels, vector<
 }
 
 
+/* This seems like an impossible case but let's check it anyway */
+BOOST_AUTO_TEST_CASE(mca_subdescriptors_written_correctly_mono_in_2_channel)
+{
+       test_descriptors(2, { dcp::Channel::CENTRE }, { "chL", "chR" }, "sg51");
+}
+
+
 BOOST_AUTO_TEST_CASE(mca_subdescriptors_written_correctly_mono_in_6_channel)
 {
        test_descriptors(6, { dcp::Channel::CENTRE }, { "chL", "chR", "chC", "chLFE", "chLs", "chRs" }, "sg51");
 }
 
 
+/* If we only have two channels in the MXF we shouldn't see any extra descriptors */
+BOOST_AUTO_TEST_CASE(mca_subdescriptors_written_correctly_stereo_in_2_channel)
+{
+       test_descriptors(2, { dcp::Channel::LEFT, dcp::Channel::RIGHT }, { "chL", "chR" }, "sg51");
+}
+
+
 BOOST_AUTO_TEST_CASE(mca_subdescriptors_written_correctly_stereo_in_6_channel)
 {
        test_descriptors(6, { dcp::Channel::LEFT, dcp::Channel::RIGHT }, { "chL", "chR", "chC", "chLFE", "chLs", "chRs" }, "sg51");