is()-like testing for ints and strings

t/taplib.c

@@ -1,6 +1,8 @@
 #include "taplib.h"
 
 #include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
 
 static int nexttest = 1;
 static int _exit_status = 0;
@@ -17,6 +19,38 @@ void ok(int cmp, char *name)
     _exit_status = 1;
 }
 
+void diag(char *fmt, ...)
+{
+  va_list args;
+  va_start(args, fmt);
+
+  fprintf(stderr, "# ");
+  vfprintf(stderr, fmt, args);
+  fprintf(stderr, "\n");
+
+  va_end(args);
+}
+
+void is_int(int got, int expect, char *name)
+{
+  if(got == expect)
+    ok(1, name);
+  else {
+    ok(0, name);
+    diag("got %d expected %d", got, expect);
+  }
+}
+
+void is_str(char *got, char *expect, char *name)
+{
+  if(strcmp(got, expect) == 0)
+    ok(1, name);
+  else {
+    ok(0, name);
+    diag("got '%s' expected '%s'", got, expect);
+  }
+}
+
 int exit_status(void)
 {
   return _exit_status;

t/taplib.h

@@ -1,3 +1,5 @@
 void plan_tests(int n);
 void ok(int cmp, char *name);
+void is_int(int got, int expect, char *name);
+void is_str(char *got, char *expect, char *name);
 int exit_status(void);