src/util.c: Add slurp(), with a simple test

1 files changed, 66 insertions, 0 deletions

diff --git a/tests/util.c b/tests/util.c
new file mode 100644
index 0000000..5e2e203
--- /dev/null
+++ b/tests/util.c
@@ -0,0 +1,66 @@
+#include "../src/util.c"
+
+#include <assert.h>
+
+#include "../src/testing.h"
+#include "slurp.h"
+
+
+static int
+test_slurp(void) {
+	int rc = -1;
+
+	char *given    = NULL;
+	char *expected = NULL;
+
+	{
+		testing("non-existent file");
+
+		const char *const filename = __FILE__ ".non-existant";
+		const int ret_given    = slurp(filename, &given);
+		const int ret_expected = slurp_for_tests(filename, &expected);
+
+		assert(given    == NULL);
+		assert(expected == NULL);
+		assert(!!ret_given == !!ret_expected);
+
+		test_ok();
+	}
+	{
+		testing("slurp() == slurp_for_tests()");
+
+		if (slurp(__FILE__, &given)) {
+			logerr("slurp(__FILE__, &given);\n");
+			goto out;
+		}
+
+		if (slurp_for_tests(__FILE__, &expected)) {
+			logerr("slurp_for_tests(__FILE__, &expected);\n");
+			goto out;
+		}
+
+		assert(given    != NULL);
+		assert(expected != NULL);
+		assert(strcmp(given, expected) == 0);
+		test_ok();
+	}
+
+	rc = 0;
+out:
+	return rc;
+}
+
+
+int
+main(void) {
+	int rc = -1;
+
+	if (test_slurp()) {
+		logerr("test_slurp();\n");
+		goto out;
+	}
+
+	rc = 0;
+out:
+	return !!rc;
+}