Platform sanity test

Replace nptest with sanity test.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

test/build.info

 IF[{- !$disabled{tests} -}]
   PROGRAMS=\
           aborttest \
-          nptest bntest \
+          sanitytest bntest \
           ectest ecdsatest ecdhtest gmdifftest pbelutest ideatest \
           md2test md4test md5test \
           hmactest wp_test \
@@ -22,9 +22,9 @@ IF[{- !$disabled{tests} -}]
   INCLUDE[aborttest]=../include
   DEPEND[aborttest]=../libcrypto
 
-  SOURCE[nptest]=nptest.c
-  INCLUDE[nptest]=../include
-  DEPEND[nptest]=../libcrypto
+  SOURCE[sanitytest]=sanitytest.c
+  INCLUDE[sanitytest]=../include
+  DEPEND[sanitytest]=../libcrypto
 
   SOURCE[bntest]=bntest.c
   INCLUDE[bntest]=.. ../crypto/include ../include

test/nptest.c

-/*
- * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the OpenSSL license (the "License").  You may not use
- * this file except in compliance with the License.  You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
-#include <stdio.h>
-#include <string.h>
-
-int main()
-{
-    char *p = NULL;
-    char bytes[sizeof(p)];
-
-    memset(bytes, 0, sizeof bytes);
-    return memcmp(&p, bytes, sizeof(bytes)) == 0 ? 0 : 1;
-}

test/recipes/90-test_np.t → test/recipes/01-test_sanity.t

@@ -9,4 +9,4 @@
 
 use OpenSSL::Test::Simple;
 
-simple_test("test_np", "nptest");
+simple_test("test_sanity", "sanitytest");

test/sanitytest.c

+/*
+ * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <internal/numbers.h>
+
+
+#define TEST(e) \
+    do { \
+        if (!(e)) { \
+            fprintf(stderr, "Failed " #e "\n"); \
+            failures++; \
+        } \
+    } while (0)
+
+
+enum smallchoices { sa, sb, sc };
+enum medchoices { ma, mb, mc, md, me, mf, mg, mh, mi, mj, mk, ml };
+enum largechoices {
+    a01, b01, c01, d01, e01, f01, g01, h01, i01, j01,
+    a02, b02, c02, d02, e02, f02, g02, h02, i02, j02,
+    a03, b03, c03, d03, e03, f03, g03, h03, i03, j03,
+    a04, b04, c04, d04, e04, f04, g04, h04, i04, j04,
+    a05, b05, c05, d05, e05, f05, g05, h05, i05, j05,
+    a06, b06, c06, d06, e06, f06, g06, h06, i06, j06,
+    a07, b07, c07, d07, e07, f07, g07, h07, i07, j07,
+    a08, b08, c08, d08, e08, f08, g08, h08, i08, j08,
+    a09, b09, c09, d09, e09, f09, g09, h09, i09, j09,
+    a10, b10, c10, d10, e10, f10, g10, h10, i10, j10,
+    xxx };
+
+int main()
+{
+    char *p;
+    char bytes[sizeof(p)];
+    int failures = 0;
+
+    /* Is NULL equivalent to all-bytes-zero? */
+    p = NULL;
+    memset(bytes, 0, sizeof bytes);
+    TEST(memcmp(&p, bytes, sizeof(bytes)) == 0);
+
+    /* Enum size */
+    TEST(sizeof(enum smallchoices) == sizeof(int));
+    TEST(sizeof(enum medchoices) == sizeof(int));
+    TEST(sizeof(enum largechoices) == sizeof(int));
+    /* Basic two's complement checks. */
+    TEST(~(-1) == 0);
+    TEST(~(-1L) == 0L);
+
+    /* Check that values with sign bit 1 and value bits 0 are valid */
+    TEST(-(INT_MIN + 1) == INT_MAX);
+    TEST(-(LONG_MIN + 1) == LONG_MAX);
+
+    /* Check that unsigned-to-signed conversions preserve bit patterns */
+    TEST((int)((unsigned int)INT_MAX + 1) == INT_MIN);
+    TEST((long)((unsigned long)LONG_MAX + 1) == LONG_MIN);
+
+    return failures;
+}