1 files changed, 74 insertions, 0 deletions
diff --git a/bcc/misc/test/castest.t b/bcc/misc/test/castest.t
new file mode 100644
index 0000000..ae27f7b
--- /dev/null
+++ b/bcc/misc/test/castest.t
@@ -0,0 +1,74 @@
+/* castest.c */
+
+/*
+#define signedchar
+#define bigints
+*/
+#define unsigchar
+#define unsigshort
+#define unsiglong
+
+#define TEST(u,c) if ( (u) != (c) )\
+	{ printf( "u != c\n" ); ++bad; } ++possible
+
+main()
+{
+	int bad;
+	int possible;
+	char c;
+#ifdef signedchar
+	signed char sc;
+#endif
+#ifdef unsigchar
+	unsigned char uc;
+#endif
+	short s;
+#ifdef unsigshort
+	unsigned short us;
+#endif
+	int i;
+	unsigned u;
+	long l;
+#ifdef unsiglong
+	unsigned long ul;
+#endif
+
+	bad = possible = 0;
+	u = 0x1ff;
+	c = (char) u;
+	if ( c < 0 )
+		printf( "characters are signed\n" );
+	TEST((char)u,c);
+	i = (int)(char) u;
+	TEST(i,(int)c);
+	TEST((int)(char)u,i);
+
+#ifdef signedchar
+	sc = (signed char) u;
+	if ( sc >= 0 )
+		printf( "??? signed char not signed\n" );
+	TEST((signed char)u,sc);
+	TEST((int)(signed char)u,(int)sc);
+	i = (int) sc;
+	TEST((int)(signed char)u,i);
+#endif
+
+#ifdef bigints
+	u = 0x1ffff;
+	s = (short) u;
+	TEST((short)u,s);
+	TEST((int)(short)u,(int)s);
+	i = (int) s;
+	TEST((int)(short)u,i);
+
+#ifdef unsigshort
+	us = (unsigned short) u;
+	TEST((unsigned short)u,us);
+	TEST((int)(unsigned short)u,(int)us);
+	i = (int) us;
+	TEST((int)(unsigned short)u,i);
+#endif
+#endif
+
+	printf( "%d bad out of a possible %d\n", bad, possible );
+}