Add a set of simple version comparison helpers

[ccan] / ccan / version / test / run.c

diff --git a/ccan/version/test/run.c b/ccan/version/test/run.c
new file mode 100644 (file)
index 0000000..f7b0782
--- /dev/null
+++ b/ccan/version/test/run.c
@@ -0,0 +1,69 @@
+#include <ccan/version/version.h>
+#include <ccan/tap/tap.h>
+
+int main(void)
+{
+       struct version a, b;
+
+       plan_tests(26);
+
+       /* cmp with normal versions */
+       a = version(1, 0);
+       b = version(2, 0);
+       ok1(version_cmp(a, b) < 0);
+
+       a = version(1, 1);
+       ok1(version_cmp(a, b) < 0);
+
+       a = version(2, 0);
+       ok1(version_cmp(a, b) == 0);
+
+       a = version(2, 1);
+       ok1(version_cmp(a, b) > 0);
+
+       b = version(2, 1);
+       ok1(version_cmp(a, b) == 0);
+
+       a = version(3, 0);
+       ok1(version_cmp(a, b) > 0);
+
+       a = version(3, 1);
+       ok1(version_cmp(a, b) > 0);
+
+       /* inline cmp */
+       ok1(version_cmp(a, version(1, 0)) > 0);
+       ok1(version_cmp(a, version(1, 1)) > 0);
+       ok1(version_cmp(a, version(3, 0)) > 0);
+       ok1(version_cmp(a, version(3, 1)) == 0);
+       ok1(version_cmp(a, version(3, 2)) < 0);
+       ok1(version_cmp(a, version(4, 0)) < 0);
+       ok1(version_cmp(a, version(4, 1)) < 0);
+
+       /* limits */
+       a = version(0xFFFF, 0xFFFF);
+       b = version(0xFFFE, 0xFFFF);
+       ok1(version_cmp(a, b) > 0);
+       ok1(version_cmp(b, a) < 0);
+
+       b = version(0xFFFF, 0xFFFE);
+       ok1(version_cmp(a, b) > 0);
+       ok1(version_cmp(b, a) < 0);
+
+       b = version(0xFFFF, 0xFFFF);
+       ok1(version_cmp(a, b) == 0);
+       ok1(version_cmp(b, a) == 0);
+
+       b = version(0, 1);
+       ok1(version_cmp(a, b) > 0);
+       ok1(version_cmp(b, a) < 0);
+
+       b = version(1, 0);
+       ok1(version_cmp(a, b) > 0);
+       ok1(version_cmp(b, a) < 0);
+
+       b = version(0, 0);
+       ok1(version_cmp(a, b) > 0);
+       ok1(version_cmp(b, a) < 0);
+
+       return exit_status();
+}