fix job merging

1 files changed, 65 insertions, 0 deletions

diff --git a/test-job-type.c b/test-job-type.c
new file mode 100644
index 0000000000..db5c329e13
--- /dev/null
+++ b/test-job-type.c
@@ -0,0 +1,65 @@
+/*-*- Mode: C; c-basic-offset: 8 -*-*/
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "job.h"
+
+int main(int argc, char*argv[]) {
+        JobType a, b, c, d, e, f, g;
+
+        for (a = 0; a < _JOB_TYPE_MAX; a++)
+                for (b = 0; b < _JOB_TYPE_MAX; b++) {
+
+                        if (!job_type_mergeable(a, b))
+                                printf("Not mergeable: %s + %s\n", job_type_to_string(a), job_type_to_string(b));
+
+                        for (c = 0; c < _JOB_TYPE_MAX; c++) {
+
+                                /* Verify transitivity of mergeability
+                                 * of job types */
+                                assert(!job_type_mergeable(a, b) ||
+                                       !job_type_mergeable(b, c) ||
+                                       job_type_mergeable(a, c));
+
+                                d = a;
+                                if (job_type_merge(&d, b) >= 0) {
+
+                                        printf("%s + %s = %s\n", job_type_to_string(a), job_type_to_string(b), job_type_to_string(d));
+
+                                        /* Verify that merged entries can be
+                                         * merged with the same entries they
+                                         * can be merged with seperately */
+                                        assert(!job_type_mergeable(a, c) || job_type_mergeable(d, c));
+                                        assert(!job_type_mergeable(b, c) || job_type_mergeable(d, c));
+
+                                        /* Verify that if a merged
+                                         * with b is not mergable with
+                                         * c then either a or b is not
+                                         * mergeable with c either. */
+                                        assert(job_type_mergeable(d, c) || !job_type_mergeable(a, c) || !job_type_mergeable(b, c));
+
+                                        e = b;
+                                        if (job_type_merge(&e, c) >= 0) {
+
+                                                /* Verify associativity */
+
+                                                f = d;
+                                                assert(job_type_merge(&f, c) == 0);
+
+                                                g = e;
+                                                assert(job_type_merge(&g, a) == 0);
+
+                                                assert(f == g);
+
+                                                printf("%s + %s + %s = %s\n", job_type_to_string(a), job_type_to_string(b), job_type_to_string(c), job_type_to_string(d));
+                                        }
+                                }
+                        }
+                }
+
+
+        return 0;
+}