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authorJason Evans <jasone@canonware.com>2017-06-13 19:49:58 (GMT)
committerJason Evans <jasone@canonware.com>2017-06-13 19:51:09 (GMT)
commit5018fe3f0979b7f9db9930accdf7ee31071fd703 (patch)
tree894055b5ff4ccde3d9d782861d45af4664f12ad2 /test/unit/size_classes.c
parent04380e79f1e2428bd0ad000bbc6e3d2dfc6b66a5 (diff)
parentba29113e5a58caeb6b4a65b1db6d8efae79cae45 (diff)
downloadjemalloc-5.0.0.zip
jemalloc-5.0.0.tar.gz
jemalloc-5.0.0.tar.bz2
Merge branch 'dev'5.0.0
Diffstat (limited to 'test/unit/size_classes.c')
-rw-r--r--test/unit/size_classes.c233
1 files changed, 116 insertions, 117 deletions
diff --git a/test/unit/size_classes.c b/test/unit/size_classes.c
index 81cc606..bcff560 100644
--- a/test/unit/size_classes.c
+++ b/test/unit/size_classes.c
@@ -1,39 +1,37 @@
#include "test/jemalloc_test.h"
static size_t
-get_max_size_class(void)
-{
- unsigned nhchunks;
+get_max_size_class(void) {
+ unsigned nlextents;
size_t mib[4];
size_t sz, miblen, max_size_class;
sz = sizeof(unsigned);
- assert_d_eq(mallctl("arenas.nhchunks", (void *)&nhchunks, &sz, NULL, 0),
- 0, "Unexpected mallctl() error");
+ assert_d_eq(mallctl("arenas.nlextents", (void *)&nlextents, &sz, NULL,
+ 0), 0, "Unexpected mallctl() error");
miblen = sizeof(mib) / sizeof(size_t);
- assert_d_eq(mallctlnametomib("arenas.hchunk.0.size", mib, &miblen), 0,
+ assert_d_eq(mallctlnametomib("arenas.lextent.0.size", mib, &miblen), 0,
"Unexpected mallctlnametomib() error");
- mib[2] = nhchunks - 1;
+ mib[2] = nlextents - 1;
sz = sizeof(size_t);
assert_d_eq(mallctlbymib(mib, miblen, (void *)&max_size_class, &sz,
NULL, 0), 0, "Unexpected mallctlbymib() error");
- return (max_size_class);
+ return max_size_class;
}
-TEST_BEGIN(test_size_classes)
-{
+TEST_BEGIN(test_size_classes) {
size_t size_class, max_size_class;
szind_t index, max_index;
max_size_class = get_max_size_class();
- max_index = size2index(max_size_class);
+ max_index = sz_size2index(max_size_class);
- for (index = 0, size_class = index2size(index); index < max_index ||
+ for (index = 0, size_class = sz_index2size(index); index < max_index ||
size_class < max_size_class; index++, size_class =
- index2size(index)) {
+ sz_index2size(index)) {
assert_true(index < max_index,
"Loop conditionals should be equivalent; index=%u, "
"size_class=%zu (%#zx)", index, size_class, size_class);
@@ -41,144 +39,145 @@ TEST_BEGIN(test_size_classes)
"Loop conditionals should be equivalent; index=%u, "
"size_class=%zu (%#zx)", index, size_class, size_class);
- assert_u_eq(index, size2index(size_class),
- "size2index() does not reverse index2size(): index=%u -->"
- " size_class=%zu --> index=%u --> size_class=%zu", index,
- size_class, size2index(size_class),
- index2size(size2index(size_class)));
- assert_zu_eq(size_class, index2size(size2index(size_class)),
- "index2size() does not reverse size2index(): index=%u -->"
- " size_class=%zu --> index=%u --> size_class=%zu", index,
- size_class, size2index(size_class),
- index2size(size2index(size_class)));
-
- assert_u_eq(index+1, size2index(size_class+1),
+ assert_u_eq(index, sz_size2index(size_class),
+ "sz_size2index() does not reverse sz_index2size(): index=%u"
+ " --> size_class=%zu --> index=%u --> size_class=%zu",
+ index, size_class, sz_size2index(size_class),
+ sz_index2size(sz_size2index(size_class)));
+ assert_zu_eq(size_class,
+ sz_index2size(sz_size2index(size_class)),
+ "sz_index2size() does not reverse sz_size2index(): index=%u"
+ " --> size_class=%zu --> index=%u --> size_class=%zu",
+ index, size_class, sz_size2index(size_class),
+ sz_index2size(sz_size2index(size_class)));
+
+ assert_u_eq(index+1, sz_size2index(size_class+1),
"Next size_class does not round up properly");
assert_zu_eq(size_class, (index > 0) ?
- s2u(index2size(index-1)+1) : s2u(1),
- "s2u() does not round up to size class");
- assert_zu_eq(size_class, s2u(size_class-1),
- "s2u() does not round up to size class");
- assert_zu_eq(size_class, s2u(size_class),
- "s2u() does not compute same size class");
- assert_zu_eq(s2u(size_class+1), index2size(index+1),
- "s2u() does not round up to next size class");
+ sz_s2u(sz_index2size(index-1)+1) : sz_s2u(1),
+ "sz_s2u() does not round up to size class");
+ assert_zu_eq(size_class, sz_s2u(size_class-1),
+ "sz_s2u() does not round up to size class");
+ assert_zu_eq(size_class, sz_s2u(size_class),
+ "sz_s2u() does not compute same size class");
+ assert_zu_eq(sz_s2u(size_class+1), sz_index2size(index+1),
+ "sz_s2u() does not round up to next size class");
}
- assert_u_eq(index, size2index(index2size(index)),
- "size2index() does not reverse index2size()");
- assert_zu_eq(max_size_class, index2size(size2index(max_size_class)),
- "index2size() does not reverse size2index()");
-
- assert_zu_eq(size_class, s2u(index2size(index-1)+1),
- "s2u() does not round up to size class");
- assert_zu_eq(size_class, s2u(size_class-1),
- "s2u() does not round up to size class");
- assert_zu_eq(size_class, s2u(size_class),
- "s2u() does not compute same size class");
+ assert_u_eq(index, sz_size2index(sz_index2size(index)),
+ "sz_size2index() does not reverse sz_index2size()");
+ assert_zu_eq(max_size_class, sz_index2size(
+ sz_size2index(max_size_class)),
+ "sz_index2size() does not reverse sz_size2index()");
+
+ assert_zu_eq(size_class, sz_s2u(sz_index2size(index-1)+1),
+ "sz_s2u() does not round up to size class");
+ assert_zu_eq(size_class, sz_s2u(size_class-1),
+ "sz_s2u() does not round up to size class");
+ assert_zu_eq(size_class, sz_s2u(size_class),
+ "sz_s2u() does not compute same size class");
}
TEST_END
-TEST_BEGIN(test_psize_classes)
-{
- size_t size_class, max_size_class;
+TEST_BEGIN(test_psize_classes) {
+ size_t size_class, max_psz;
pszind_t pind, max_pind;
- max_size_class = get_max_size_class();
- max_pind = psz2ind(max_size_class);
+ max_psz = get_max_size_class() + PAGE;
+ max_pind = sz_psz2ind(max_psz);
- for (pind = 0, size_class = pind2sz(pind); pind < max_pind ||
- size_class < max_size_class; pind++, size_class =
- pind2sz(pind)) {
+ for (pind = 0, size_class = sz_pind2sz(pind);
+ pind < max_pind || size_class < max_psz;
+ pind++, size_class = sz_pind2sz(pind)) {
assert_true(pind < max_pind,
"Loop conditionals should be equivalent; pind=%u, "
"size_class=%zu (%#zx)", pind, size_class, size_class);
- assert_true(size_class < max_size_class,
+ assert_true(size_class < max_psz,
"Loop conditionals should be equivalent; pind=%u, "
"size_class=%zu (%#zx)", pind, size_class, size_class);
- assert_u_eq(pind, psz2ind(size_class),
- "psz2ind() does not reverse pind2sz(): pind=%u -->"
+ assert_u_eq(pind, sz_psz2ind(size_class),
+ "sz_psz2ind() does not reverse sz_pind2sz(): pind=%u -->"
" size_class=%zu --> pind=%u --> size_class=%zu", pind,
- size_class, psz2ind(size_class),
- pind2sz(psz2ind(size_class)));
- assert_zu_eq(size_class, pind2sz(psz2ind(size_class)),
- "pind2sz() does not reverse psz2ind(): pind=%u -->"
+ size_class, sz_psz2ind(size_class),
+ sz_pind2sz(sz_psz2ind(size_class)));
+ assert_zu_eq(size_class, sz_pind2sz(sz_psz2ind(size_class)),
+ "sz_pind2sz() does not reverse sz_psz2ind(): pind=%u -->"
" size_class=%zu --> pind=%u --> size_class=%zu", pind,
- size_class, psz2ind(size_class),
- pind2sz(psz2ind(size_class)));
+ size_class, sz_psz2ind(size_class),
+ sz_pind2sz(sz_psz2ind(size_class)));
- assert_u_eq(pind+1, psz2ind(size_class+1),
+ assert_u_eq(pind+1, sz_psz2ind(size_class+1),
"Next size_class does not round up properly");
assert_zu_eq(size_class, (pind > 0) ?
- psz2u(pind2sz(pind-1)+1) : psz2u(1),
- "psz2u() does not round up to size class");
- assert_zu_eq(size_class, psz2u(size_class-1),
- "psz2u() does not round up to size class");
- assert_zu_eq(size_class, psz2u(size_class),
- "psz2u() does not compute same size class");
- assert_zu_eq(psz2u(size_class+1), pind2sz(pind+1),
- "psz2u() does not round up to next size class");
+ sz_psz2u(sz_pind2sz(pind-1)+1) : sz_psz2u(1),
+ "sz_psz2u() does not round up to size class");
+ assert_zu_eq(size_class, sz_psz2u(size_class-1),
+ "sz_psz2u() does not round up to size class");
+ assert_zu_eq(size_class, sz_psz2u(size_class),
+ "sz_psz2u() does not compute same size class");
+ assert_zu_eq(sz_psz2u(size_class+1), sz_pind2sz(pind+1),
+ "sz_psz2u() does not round up to next size class");
}
- assert_u_eq(pind, psz2ind(pind2sz(pind)),
- "psz2ind() does not reverse pind2sz()");
- assert_zu_eq(max_size_class, pind2sz(psz2ind(max_size_class)),
- "pind2sz() does not reverse psz2ind()");
-
- assert_zu_eq(size_class, psz2u(pind2sz(pind-1)+1),
- "psz2u() does not round up to size class");
- assert_zu_eq(size_class, psz2u(size_class-1),
- "psz2u() does not round up to size class");
- assert_zu_eq(size_class, psz2u(size_class),
- "psz2u() does not compute same size class");
+ assert_u_eq(pind, sz_psz2ind(sz_pind2sz(pind)),
+ "sz_psz2ind() does not reverse sz_pind2sz()");
+ assert_zu_eq(max_psz, sz_pind2sz(sz_psz2ind(max_psz)),
+ "sz_pind2sz() does not reverse sz_psz2ind()");
+
+ assert_zu_eq(size_class, sz_psz2u(sz_pind2sz(pind-1)+1),
+ "sz_psz2u() does not round up to size class");
+ assert_zu_eq(size_class, sz_psz2u(size_class-1),
+ "sz_psz2u() does not round up to size class");
+ assert_zu_eq(size_class, sz_psz2u(size_class),
+ "sz_psz2u() does not compute same size class");
}
TEST_END
-TEST_BEGIN(test_overflow)
-{
- size_t max_size_class;
+TEST_BEGIN(test_overflow) {
+ size_t max_size_class, max_psz;
max_size_class = get_max_size_class();
-
- assert_u_eq(size2index(max_size_class+1), NSIZES,
- "size2index() should return NSIZES on overflow");
- assert_u_eq(size2index(ZU(PTRDIFF_MAX)+1), NSIZES,
- "size2index() should return NSIZES on overflow");
- assert_u_eq(size2index(SIZE_T_MAX), NSIZES,
- "size2index() should return NSIZES on overflow");
-
- assert_zu_eq(s2u(max_size_class+1), 0,
- "s2u() should return 0 for unsupported size");
- assert_zu_eq(s2u(ZU(PTRDIFF_MAX)+1), 0,
- "s2u() should return 0 for unsupported size");
- assert_zu_eq(s2u(SIZE_T_MAX), 0,
- "s2u() should return 0 on overflow");
-
- assert_u_eq(psz2ind(max_size_class+1), NPSIZES,
- "psz2ind() should return NPSIZES on overflow");
- assert_u_eq(psz2ind(ZU(PTRDIFF_MAX)+1), NPSIZES,
- "psz2ind() should return NPSIZES on overflow");
- assert_u_eq(psz2ind(SIZE_T_MAX), NPSIZES,
- "psz2ind() should return NPSIZES on overflow");
-
- assert_zu_eq(psz2u(max_size_class+1), 0,
- "psz2u() should return 0 for unsupported size");
- assert_zu_eq(psz2u(ZU(PTRDIFF_MAX)+1), 0,
- "psz2u() should return 0 for unsupported size");
- assert_zu_eq(psz2u(SIZE_T_MAX), 0,
- "psz2u() should return 0 on overflow");
+ max_psz = max_size_class + PAGE;
+
+ assert_u_eq(sz_size2index(max_size_class+1), NSIZES,
+ "sz_size2index() should return NSIZES on overflow");
+ assert_u_eq(sz_size2index(ZU(PTRDIFF_MAX)+1), NSIZES,
+ "sz_size2index() should return NSIZES on overflow");
+ assert_u_eq(sz_size2index(SIZE_T_MAX), NSIZES,
+ "sz_size2index() should return NSIZES on overflow");
+
+ assert_zu_eq(sz_s2u(max_size_class+1), 0,
+ "sz_s2u() should return 0 for unsupported size");
+ assert_zu_eq(sz_s2u(ZU(PTRDIFF_MAX)+1), 0,
+ "sz_s2u() should return 0 for unsupported size");
+ assert_zu_eq(sz_s2u(SIZE_T_MAX), 0,
+ "sz_s2u() should return 0 on overflow");
+
+ assert_u_eq(sz_psz2ind(max_size_class+1), NPSIZES,
+ "sz_psz2ind() should return NPSIZES on overflow");
+ assert_u_eq(sz_psz2ind(ZU(PTRDIFF_MAX)+1), NPSIZES,
+ "sz_psz2ind() should return NPSIZES on overflow");
+ assert_u_eq(sz_psz2ind(SIZE_T_MAX), NPSIZES,
+ "sz_psz2ind() should return NPSIZES on overflow");
+
+ assert_zu_eq(sz_psz2u(max_size_class+1), max_psz,
+ "sz_psz2u() should return (LARGE_MAXCLASS + PAGE) for unsupported"
+ " size");
+ assert_zu_eq(sz_psz2u(ZU(PTRDIFF_MAX)+1), max_psz,
+ "sz_psz2u() should return (LARGE_MAXCLASS + PAGE) for unsupported "
+ "size");
+ assert_zu_eq(sz_psz2u(SIZE_T_MAX), max_psz,
+ "sz_psz2u() should return (LARGE_MAXCLASS + PAGE) on overflow");
}
TEST_END
int
-main(void)
-{
-
- return (test(
+main(void) {
+ return test(
test_size_classes,
test_psize_classes,
- test_overflow));
+ test_overflow);
}