Make generation work (hopefully) and add unit test

2 files changed, 57 insertions, 0 deletions

diff --git a/tests/.gitignore b/tests/.gitignore
index 898fcd89..c2a45f5a 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -4,4 +4,5 @@ list_check
 gpu_sim_check
 integration_check
 pr_gradient_check
+symmetry_check
 .dirstamp
diff --git a/tests/symmetry_check.c b/tests/symmetry_check.c
new file mode 100644
index 00000000..bda6961e
--- /dev/null
+++ b/tests/symmetry_check.c
@@ -0,0 +1,56 @@
+/*
+ * symmetry_check.c
+ *
+ * Check symmetry
+ *
+ * (c) 2011 Thomas White <taw@physics.org>
+ *
+ * Part of CrystFEL - crystallography with a FEL
+ *
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "../src/symmetry.h"
+#include "../src/utils.h"
+
+
+static void check_nequiv(const char *pg, int answer, int *fail)
+{
+	SymOpList *sym;
+	int n;
+
+	//STATUS("**************************************** Testing '%s'\n", pg);
+
+	sym = get_pointgroup(pg);
+	n = num_equivs(sym, NULL);
+
+	if ( n != answer ) {
+		ERROR("Number of equivalents in '%s' is %i (not %i)\n",
+		      pg, n, answer);
+		*fail = 1;
+	}
+
+	free_symoplist(sym);
+}
+
+
+int main(int argc, char *argv[])
+{
+	int fail = 0;
+
+	check_nequiv(  "1",  1, &fail);
+	check_nequiv( "-1",  2, &fail);
+	check_nequiv(  "2",  2, &fail);
+	check_nequiv(  "m",  2, &fail);
+	check_nequiv("2/m",  4, &fail);
+
+	return fail;
+}