Add libgmp 6.2.0 to third_party
Don't build it yet. That will come in the next review.
Change-Id: Idf3266558165e5ab45f4a41c98cc8c838c8244d5
diff --git a/third_party/gmp/mini-gmp/tests/t-str.c b/third_party/gmp/mini-gmp/tests/t-str.c
new file mode 100644
index 0000000..1e78676
--- /dev/null
+++ b/third_party/gmp/mini-gmp/tests/t-str.c
@@ -0,0 +1,319 @@
+/*
+
+Copyright 2012-2014, 2016 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library test suite.
+
+The GNU MP Library test suite is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 3 of the License,
+or (at your option) any later version.
+
+The GNU MP Library test suite is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
+
+#include <assert.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "testutils.h"
+
+#define MAXBITS 400
+#define COUNT 2000
+
+#define GMP_LIMB_BITS (sizeof(mp_limb_t) * CHAR_BIT)
+#define MAXLIMBS ((MAXBITS + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS)
+
+static void
+test_small (void)
+{
+ struct {
+ const char *input;
+ const char *decimal;
+ } data[] = {
+ { "183407", "183407" },
+ { " 763959", "763959 " },
+ { "9 81999", "981999" },
+ { "10\t7398 ", "107398" },
+ { "-9585 44", "-00958544" },
+ { "-0", "0000" },
+ { " -000 ", "0" },
+ { "0704436", "231710" },
+ /* Check the case of large number of leading zeros. */
+ { "0000000000000000000000000", "0000000000000000000000000" },
+ { "000000000000000000000000704436", "000000000000000000000000231710" },
+ { " 02503517", "689999" },
+ { "0 1312143", "365667" },
+ { "-03 274062", "-882738" },
+ { "012\t242", "005282" },
+ { "0b11010111110010001111", "883855" },
+ { " 0b11001010010100001", "103585" },
+ { "-0b101010110011101111", "-175343" },
+ { "0b 1111111011011100110", "521958" },
+ { "0b1 1111110111001000011", "1044035" },
+ { " 0x53dfc", "343548" },
+ { "0xfA019", "1024025" },
+ { "0x 642d1", "410321" },
+ { "0x5 8067", "360551" },
+ { "-0xd6Be6", "-879590" },
+ { "\t0B1110000100000000011", "460803" },
+ { "0B\t1111110010010100101", "517285" },
+ { "0B1\t010111101101110100", "359284" },
+ { "-0B101\t1001101111111001", "-367609" },
+ { "0B10001001010111110000", "562672" },
+ { "0Xe4B7e", "936830" },
+ { "0X1E4bf", "124095" },
+ { "-0Xfdb90", "-1039248" },
+ { "0X7fc47", "523335" },
+ { "0X8167c", "530044" },
+ /* Some invalid inputs */
+ { "", NULL },
+ { "0x", NULL },
+ { "0b", NULL },
+ { "0z", NULL },
+ { "-", NULL },
+ { "-0x ", NULL },
+ { "0|1", NULL },
+ { "4+4", NULL },
+ { "0ab", NULL },
+ { "10x0", NULL },
+ { "0xxab", NULL },
+ { "ab", NULL },
+ { "0%#", NULL },
+ { "$foo", NULL },
+ { NULL, NULL }
+ };
+ unsigned i;
+ mpz_t a, b;
+ mpz_init (b);
+
+ for (i = 0; data[i].input; i++)
+ {
+ int res = mpz_init_set_str (a, data[i].input, 0);
+ if (data[i].decimal)
+ {
+ if (res != 0)
+ {
+ fprintf (stderr, "mpz_set_str returned -1, input: %s\n",
+ data[i].input);
+ abort ();
+ }
+ if (mpz_set_str (b, data[i].decimal, 10) != 0)
+ {
+ fprintf (stderr, "mpz_set_str returned -1, decimal input: %s\n",
+ data[i].input);
+ abort ();
+ }
+ if (mpz_cmp (a, b) != 0)
+ {
+ fprintf (stderr, "mpz_set_str failed for input: %s\n",
+ data[i].input);
+
+ dump ("got", a);
+ dump ("ref", b);
+ abort ();
+ }
+ }
+ else if (res != -1)
+ {
+ fprintf (stderr, "mpz_set_str returned %d, invalid input: %s\n",
+ res, data[i].input);
+ abort ();
+ }
+ mpz_clear (a);
+ }
+
+ mpz_clear (b);
+}
+
+void
+testmain (int argc, char **argv)
+{
+ unsigned i;
+ char *ap;
+ char *bp;
+ char *rp;
+ size_t bn, rn, arn;
+
+ mpz_t a, b;
+
+ FILE *tmp;
+
+ test_small ();
+
+ mpz_init (a);
+ mpz_init (b);
+
+ tmp = tmpfile ();
+ if (!tmp)
+ fprintf (stderr,
+ "Failed to create temporary file. Skipping mpz_out_str tests.\n");
+
+ for (i = 0; i < COUNT; i++)
+ {
+ int base;
+ for (base = 0; base <= 62; base += 1 + (base == 0))
+ {
+ hex_random_str_op (MAXBITS, (i&1 || base > 36) ? base: -base, &ap, &rp);
+ if (mpz_set_str (a, ap, 16) != 0)
+ {
+ fprintf (stderr, "mpz_set_str failed on input %s\n", ap);
+ abort ();
+ }
+
+ rn = strlen (rp);
+ arn = rn - (rp[0] == '-');
+
+ bn = mpz_sizeinbase (a, base ? base : 10);
+ if (bn < arn || bn > (arn + 1))
+ {
+ fprintf (stderr, "mpz_sizeinbase failed:\n");
+ dump ("a", a);
+ fprintf (stderr, "r = %s\n", rp);
+ fprintf (stderr, " base %d, correct size %u, got %u\n",
+ base, (unsigned) arn, (unsigned)bn);
+ abort ();
+ }
+ bp = mpz_get_str (NULL, (i&1 || base > 36) ? base: -base, a);
+ if (strcmp (bp, rp))
+ {
+ fprintf (stderr, "mpz_get_str failed:\n");
+ dump ("a", a);
+ fprintf (stderr, "b = %s\n", bp);
+ fprintf (stderr, " base = %d\n", base);
+ fprintf (stderr, "r = %s\n", rp);
+ abort ();
+ }
+
+ /* Just a few tests with file i/o. */
+ if (tmp && i < 20)
+ {
+ size_t tn;
+ rewind (tmp);
+ tn = mpz_out_str (tmp, (i&1 || base > 36) ? base: -base, a);
+ if (tn != rn)
+ {
+ fprintf (stderr, "mpz_out_str, bad return value:\n");
+ dump ("a", a);
+ fprintf (stderr, "r = %s\n", rp);
+ fprintf (stderr, " base %d, correct size %u, got %u\n",
+ base, (unsigned) rn, (unsigned)tn);
+ abort ();
+ }
+ rewind (tmp);
+ memset (bp, 0, rn);
+ tn = fread (bp, 1, rn, tmp);
+ if (tn != rn)
+ {
+ fprintf (stderr,
+ "fread failed, expected %lu bytes, got only %lu.\n",
+ (unsigned long) rn, (unsigned long) tn);
+ abort ();
+ }
+
+ if (memcmp (bp, rp, rn) != 0)
+ {
+ fprintf (stderr, "mpz_out_str failed:\n");
+ dump ("a", a);
+ fprintf (stderr, "b = %s\n", bp);
+ fprintf (stderr, " base = %d\n", base);
+ fprintf (stderr, "r = %s\n", rp);
+ abort ();
+ }
+ }
+
+ mpz_set_str (b, rp, base);
+
+ if (mpz_cmp (a, b))
+ {
+ fprintf (stderr, "mpz_set_str failed:\n");
+ fprintf (stderr, "r = %s\n", rp);
+ fprintf (stderr, " base = %d\n", base);
+ fprintf (stderr, "r = %s\n", ap);
+ fprintf (stderr, " base = 16\n");
+ dump ("b", b);
+ dump ("r", a);
+ abort ();
+ }
+
+ /* Test mpn interface */
+ if (base && mpz_sgn (a))
+ {
+ size_t i;
+ const char *absr;
+ mp_limb_t t[MAXLIMBS];
+ size_t tn = mpz_size (a);
+
+ assert (tn <= MAXLIMBS);
+ mpn_copyi (t, a->_mp_d, tn);
+
+ bn = mpn_get_str ((unsigned char *) bp, base, t, tn);
+ if (bn != arn)
+ {
+ fprintf (stderr, "mpn_get_str failed:\n");
+ fprintf (stderr, "returned length: %lu (bad)\n", (unsigned long) bn);
+ fprintf (stderr, "expected: %lu\n", (unsigned long) arn);
+ fprintf (stderr, " base = %d\n", base);
+ fprintf (stderr, "r = %s\n", ap);
+ fprintf (stderr, " base = 16\n");
+ dump ("b", b);
+ dump ("r", a);
+ abort ();
+ }
+ absr = rp + (rp[0] == '-');
+
+ for (i = 0; i < bn; i++)
+ {
+ unsigned char digit = absr[i];
+ char value;
+ if (digit >= '0' && digit <= '9')
+ value = digit - '0';
+ else if (digit >= 'a' && digit <= 'z')
+ value = digit - 'a' + ((base > 36) ? 36 : 10);
+ else if (digit >= 'A' && digit <= 'Z')
+ value = digit - 'A' + 10;
+ else
+ {
+ fprintf (stderr, "Internal error in test.\n");
+ abort();
+ }
+ if (bp[i] != value)
+ {
+ fprintf (stderr, "mpn_get_str failed:\n");
+ fprintf (stderr, "digit %lu: %d (bad)\n", (unsigned long) i, bp[i]);
+ fprintf (stderr, "expected: %d\n", value);
+ fprintf (stderr, " base = %d\n", base);
+ fprintf (stderr, "r = %s\n", ap);
+ fprintf (stderr, " base = 16\n");
+ dump ("b", b);
+ dump ("r", a);
+ abort ();
+ }
+ }
+ tn = mpn_set_str (t, (unsigned char *) bp, bn, base);
+ if (tn != mpz_size (a) || mpn_cmp (t, a->_mp_d, tn))
+ {
+ fprintf (stderr, "mpn_set_str failed:\n");
+ fprintf (stderr, "r = %s\n", rp);
+ fprintf (stderr, " base = %d\n", base);
+ fprintf (stderr, "r = %s\n", ap);
+ fprintf (stderr, " base = 16\n");
+ dump ("r", a);
+ abort ();
+ }
+ }
+ free (ap);
+ free (rp);
+ testfree (bp);
+ }
+ }
+ mpz_clear (a);
+ mpz_clear (b);
+}