FindMatlab: added unit tests for new functionality.

Also allowing a way to select which of multiple installed MATLAB versions to use in the test.

1 files changed, 16 insertions, 0 deletions

diff --git a/Tests/FindMatlab/matlab_wrapper2.cpp b/Tests/FindMatlab/matlab_wrapper2.cpp
new file mode 100644
index 0000000000..8b73adec04
--- /dev/null
+++ b/Tests/FindMatlab/matlab_wrapper2.cpp
@@ -0,0 +1,16 @@
+#include "mex.h"
+
+// This test uses the new complex-interleaved C API (R2018a and newer)
+
+// The input should be a complex array (scalar is OK). It returns the number of
+// bytes in a matrix element. For the old (R2017b) API, this is 8. For the new
+// (R2018a) API, this is 16.
+
+void mexFunction(const int nlhs, mxArray* plhs[], const int nrhs,
+                 const mxArray* prhs[])
+{
+  if (nrhs != 1 || !mxIsComplex(prhs[0])) {
+    mexErrMsgTxt("Incorrect arguments");
+  }
+  plhs[0] = mxCreateDoubleScalar(mxGetElementSize(prhs[0]));
+}