fmt: Grab fmt_context_id for tests

1 files changed, 56 insertions, 0 deletions

diff --git a/fmt_test.c b/fmt_test.c
new file mode 100644
index 0000000..7f3e0a2
--- /dev/null
+++ b/fmt_test.c
@@ -0,0 +1,56 @@
+// BadWolf: Minimalist and privacy-oriented WebKitGTK+ browser
+// Copyright © 2019-2021 Badwolf Authors <https://hacktivis.me/projects/badwolf>
+// SPDX-License-Identifier: BSD-3-Clause
+
+#include "fmt.h"
+
+#include <glib.h>
+
+static void
+fmt_context_id_test(void)
+{
+	struct
+	{
+		const char *expect;
+		uint64_t context_id;
+	} cases[] = {
+	    //
+	    {"A: ", 0},
+	    {"B: ", 1},
+	    {"Y: ", 24},
+	    {"Z: ", 25},
+	    {"AA: ", 26},
+	    {"AB: ", 27},
+	    {"AZ: ", 51},
+	    {"BA: ", 52},
+	    {"BB: ", 53},
+	    {"QKWW: ", 4294967296},           // 2^32
+	    {"JFHI: ", 9223372036854775808},  // 2^63
+	    {"TLPO: ", 18446744073709551614}, // 2^64 -2
+	    {"TLPP: ", 18446744073709551615}, // 2^64 -1 (aka UINT64_MAX)
+	};
+
+	for(size_t i = 0; i < sizeof(cases) / sizeof(cases[0]); i++)
+	{
+		g_info("fmt_context_id(%lu)", cases[i].context_id);
+		/* flawfinder: ignore. bound checks are done */
+		char got[BADWOLF_CTX_SIZ] = {0, 0, 0, 0, 0, 0, 0};
+
+		fmt_context_id(cases[i].context_id, got);
+
+		if(strncmp(got, cases[i].expect, BADWOLF_CTX_SIZ) != 0)
+		{
+			g_error("expected: \"%s\", got: \"%s\"", cases[i].expect, got);
+		}
+	}
+}
+
+int
+main(int argc, char *argv[])
+{
+	g_test_init(&argc, &argv, NULL);
+
+	g_test_add_func("/fmt_context_id/test", fmt_context_id_test);
+
+	return g_test_run();
+}