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authorJason Evans <jasone@canonware.com>2014-01-22 11:11:22 -0800
committerJason Evans <jasone@canonware.com>2014-01-22 11:11:22 -0800
commitcc47dde16203a6ae7eb685b53e1ae501f3869bc6 (patch)
tree74e81d65651b2ca7e294a857797dda6635177454 /test/integration/mallocx.c
parent0135fb806e4137dc9cdf152541926a2bc95e33f0 (diff)
parent798a48103014aabf8afb3d7efff90399a466dd8c (diff)
downloadjemalloc-3.5.0.tar.gz
Merge branch 'dev'3.5.0
Diffstat (limited to 'test/integration/mallocx.c')
-rw-r--r--test/integration/mallocx.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/test/integration/mallocx.c b/test/integration/mallocx.c
new file mode 100644
index 00000000..c26f6c56
--- /dev/null
+++ b/test/integration/mallocx.c
@@ -0,0 +1,119 @@
+#include "test/jemalloc_test.h"
+
+#define CHUNK 0x400000
+/* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */
+#define MAXALIGN ((size_t)0x2000000LU)
+#define NITER 4
+
+TEST_BEGIN(test_basic)
+{
+ size_t nsz, rsz, sz;
+ void *p;
+
+ sz = 42;
+ nsz = nallocx(sz, 0);
+ assert_zu_ne(nsz, 0, "Unexpected nallocx() error");
+ p = mallocx(sz, 0);
+ assert_ptr_not_null(p, "Unexpected mallocx() error");
+ rsz = sallocx(p, 0);
+ assert_zu_ge(rsz, sz, "Real size smaller than expected");
+ assert_zu_eq(nsz, rsz, "nallocx()/sallocx() size mismatch");
+ dallocx(p, 0);
+
+ p = mallocx(sz, 0);
+ assert_ptr_not_null(p, "Unexpected mallocx() error");
+ dallocx(p, 0);
+
+ nsz = nallocx(sz, MALLOCX_ZERO);
+ assert_zu_ne(nsz, 0, "Unexpected nallocx() error");
+ p = mallocx(sz, MALLOCX_ZERO);
+ assert_ptr_not_null(p, "Unexpected mallocx() error");
+ rsz = sallocx(p, 0);
+ assert_zu_eq(nsz, rsz, "nallocx()/sallocx() rsize mismatch");
+ dallocx(p, 0);
+}
+TEST_END
+
+TEST_BEGIN(test_alignment_errors)
+{
+ void *p;
+ size_t nsz, sz, alignment;
+
+#if LG_SIZEOF_PTR == 3
+ alignment = UINT64_C(0x4000000000000000);
+ sz = UINT64_C(0x8400000000000001);
+#else
+ alignment = 0x40000000LU;
+ sz = 0x84000001LU;
+#endif
+ nsz = nallocx(sz, MALLOCX_ALIGN(alignment));
+ assert_zu_ne(nsz, 0, "Unexpected nallocx() error");
+ p = mallocx(sz, MALLOCX_ALIGN(alignment));
+ assert_ptr_null(p, "Expected error for mallocx(%zu, %#x)", sz,
+ MALLOCX_ALIGN(alignment));
+}
+TEST_END
+
+TEST_BEGIN(test_alignment_and_size)
+{
+ size_t nsz, rsz, sz, alignment, total;
+ unsigned i;
+ void *ps[NITER];
+
+ for (i = 0; i < NITER; i++)
+ ps[i] = NULL;
+
+ for (alignment = 8;
+ alignment <= MAXALIGN;
+ alignment <<= 1) {
+ total = 0;
+ for (sz = 1;
+ sz < 3 * alignment && sz < (1U << 31);
+ sz += (alignment >> (LG_SIZEOF_PTR-1)) - 1) {
+ for (i = 0; i < NITER; i++) {
+ nsz = nallocx(sz, MALLOCX_ALIGN(alignment) |
+ MALLOCX_ZERO);
+ assert_zu_ne(nsz, 0,
+ "nallocx() error for alignment=%zu, "
+ "size=%zu (%#zx)", alignment, sz, sz);
+ ps[i] = mallocx(sz, MALLOCX_ALIGN(alignment) |
+ MALLOCX_ZERO);
+ assert_ptr_not_null(ps[i],
+ "mallocx() error for alignment=%zu, "
+ "size=%zu (%#zx)", alignment, sz, sz);
+ rsz = sallocx(ps[i], 0);
+ assert_zu_ge(rsz, sz,
+ "Real size smaller than expected for "
+ "alignment=%zu, size=%zu", alignment, sz);
+ assert_zu_eq(nsz, rsz,
+ "nallocx()/sallocx() size mismatch for "
+ "alignment=%zu, size=%zu", alignment, sz);
+ assert_ptr_null(
+ (void *)((uintptr_t)ps[i] & (alignment-1)),
+ "%p inadequately aligned for"
+ " alignment=%zu, size=%zu", ps[i],
+ alignment, sz);
+ total += rsz;
+ if (total >= (MAXALIGN << 1))
+ break;
+ }
+ for (i = 0; i < NITER; i++) {
+ if (ps[i] != NULL) {
+ dallocx(ps[i], 0);
+ ps[i] = NULL;
+ }
+ }
+ }
+ }
+}
+TEST_END
+
+int
+main(void)
+{
+
+ return (test(
+ test_basic,
+ test_alignment_errors,
+ test_alignment_and_size));
+}