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authorWill Newton <will.newton@linaro.org>2013-08-12 14:15:22 +0100
committerWill Newton <will.newton@linaro.org>2013-10-02 10:42:36 +0100
commit4868b204aa421c43a802b46493da98c630724f21 (patch)
treea312017e0b10c76ec49138f82016ae8bbc933e1f /malloc
parente833b53fe618af287a0b818ac3592d842b76dec8 (diff)
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malloc: Add posix_memalign test.
ChangeLog: 2013-10-02 Will Newton <will.newton@linaro.org> * malloc/Makefile: Add tst-posix_memalign. * malloc/tst-posix_memalign.c: New file.
Diffstat (limited to 'malloc')
-rw-r--r--malloc/Makefile2
-rw-r--r--malloc/tst-posix_memalign.c98
2 files changed, 99 insertions, 1 deletions
diff --git a/malloc/Makefile b/malloc/Makefile
index b16dac8..4903c13 100644
--- a/malloc/Makefile
+++ b/malloc/Makefile
@@ -26,7 +26,7 @@ dist-headers := malloc.h
headers := $(dist-headers) obstack.h mcheck.h
tests := mallocbug tst-malloc tst-valloc tst-calloc tst-obstack \
tst-mallocstate tst-mcheck tst-mallocfork tst-trim1 \
- tst-malloc-usable tst-realloc
+ tst-malloc-usable tst-realloc tst-posix_memalign
test-srcs = tst-mtrace
routines = malloc morecore mcheck mtrace obstack
diff --git a/malloc/tst-posix_memalign.c b/malloc/tst-posix_memalign.c
new file mode 100644
index 0000000..9d9d1bf
--- /dev/null
+++ b/malloc/tst-posix_memalign.c
@@ -0,0 +1,98 @@
+/* Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+static int errors = 0;
+
+static void
+merror (const char *msg)
+{
+ ++errors;
+ printf ("Error: %s\n", msg);
+}
+
+static int
+do_test (void)
+{
+ void *p;
+ int ret;
+ unsigned long pagesize = getpagesize();
+ unsigned long ptrval;
+
+ p = NULL;
+
+ ret = posix_memalign (&p, sizeof (void *), -1);
+
+ if (ret != ENOMEM)
+ merror ("posix_memalign (&p, sizeof (void *), -1) succeeded.");
+
+ if (ret == ENOMEM && p != NULL)
+ merror ("returned an error but pointer was modified");
+
+ p = NULL;
+
+ ret = posix_memalign (&p, pagesize, -pagesize);
+
+ if (ret != ENOMEM)
+ merror ("posix_memalign (&p, pagesize, -pagesize) succeeded.");
+
+ p = NULL;
+
+ ret = posix_memalign (&p, sizeof (void *), 0);
+
+ if (ret != 0 || p == NULL)
+ merror ("posix_memalign (&p, sizeof (void *), 0) failed.");
+
+ free (p);
+
+ ret = posix_memalign (&p, 0x300, 10);
+
+ if (ret != EINVAL)
+ merror ("posix_memalign (&p, 0x300, 10) succeeded.");
+
+ ret = posix_memalign (&p, 0, 10);
+
+ if (ret != EINVAL)
+ merror ("posix_memalign (&p, 0, 10) succeeded.");
+
+ p = NULL;
+
+ ret = posix_memalign (&p, 0x100, 10);
+
+ if (ret != 0)
+ merror ("posix_memalign (&p, 0x100, 10) failed.");
+
+ if (ret == 0 && p == NULL)
+ merror ("returned success but pointer is NULL");
+
+ ptrval = (unsigned long)p;
+
+ if (ret == 0 && (ptrval & 0xff))
+ merror ("pointer is not aligned to 0x100");
+
+ free (p);
+
+ return errors != 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"