+void test_bijective_case(struct isl_ctx *ctx, const char *str, int bijective)
+{
+ isl_map *map;
+
+ map = isl_map_read_from_str(ctx, str, -1);
+ if (bijective)
+ assert(isl_map_is_bijective(map));
+ else
+ assert(!isl_map_is_bijective(map));
+ isl_map_free(map);
+}
+
+void test_bijective(struct isl_ctx *ctx)
+{
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [i]}", 0);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [i] : j=i}", 1);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [i] : j=0}", 1);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [i] : j=N}", 1);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [j,i]}", 1);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [i+j]}", 0);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> []}", 0);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [i,j,N]}", 1);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [2i]}", 0);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [i,i]}", 0);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [2i,i]}", 0);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [2i,j]}", 1);
+ test_bijective_case(ctx, "[N,M]->{[i,j] -> [x,y] : 2x=i & y =j}", 1);
+}
+