sanitizer_stackdepot_test.cc [plain text]
#include "sanitizer_common/sanitizer_stackdepot.h"
#include "sanitizer_common/sanitizer_internal_defs.h"
#include "sanitizer_common/sanitizer_libc.h"
#include "gtest/gtest.h"
namespace __sanitizer {
TEST(SanitizerCommon, StackDepotBasic) {
uptr s1[] = {1, 2, 3, 4, 5};
u32 i1 = StackDepotPut(s1, ARRAY_SIZE(s1));
StackTrace stack = StackDepotGet(i1);
EXPECT_NE(stack.trace, (uptr*)0);
EXPECT_EQ(ARRAY_SIZE(s1), stack.size);
EXPECT_EQ(0, internal_memcmp(stack.trace, s1, sizeof(s1)));
}
TEST(SanitizerCommon, StackDepotAbsent) {
StackTrace stack = StackDepotGet((1 << 30) - 1);
EXPECT_EQ((uptr*)0, stack.trace);
}
TEST(SanitizerCommon, StackDepotEmptyStack) {
u32 i1 = StackDepotPut(0, 0);
StackTrace stack = StackDepotGet(i1);
EXPECT_EQ((uptr*)0, stack.trace);
}
TEST(SanitizerCommon, StackDepotZeroId) {
StackTrace stack = StackDepotGet(0);
EXPECT_EQ((uptr*)0, stack.trace);
}
TEST(SanitizerCommon, StackDepotSame) {
uptr s1[] = {1, 2, 3, 4, 6};
u32 i1 = StackDepotPut(s1, ARRAY_SIZE(s1));
u32 i2 = StackDepotPut(s1, ARRAY_SIZE(s1));
EXPECT_EQ(i1, i2);
StackTrace stack = StackDepotGet(i1);
EXPECT_NE(stack.trace, (uptr*)0);
EXPECT_EQ(ARRAY_SIZE(s1), stack.size);
EXPECT_EQ(0, internal_memcmp(stack.trace, s1, sizeof(s1)));
}
TEST(SanitizerCommon, StackDepotSeveral) {
uptr s1[] = {1, 2, 3, 4, 7};
u32 i1 = StackDepotPut(s1, ARRAY_SIZE(s1));
uptr s2[] = {1, 2, 3, 4, 8, 9};
u32 i2 = StackDepotPut(s2, ARRAY_SIZE(s2));
EXPECT_NE(i1, i2);
}
TEST(SanitizerCommon, StackDepotReverseMap) {
uptr s1[] = {1, 2, 3, 4, 5};
uptr s2[] = {7, 1, 3, 0};
uptr s3[] = {10, 2, 5, 3};
uptr s4[] = {1, 3, 2, 5};
u32 ids[4] = {0};
ids[0] = StackDepotPut(s1, ARRAY_SIZE(s1));
ids[1] = StackDepotPut(s2, ARRAY_SIZE(s2));
ids[2] = StackDepotPut(s3, ARRAY_SIZE(s3));
ids[3] = StackDepotPut(s4, ARRAY_SIZE(s4));
StackDepotReverseMap map;
for (uptr i = 0; i < 4; i++) {
uptr sz_map;
const uptr *sp_map;
StackTrace stack = StackDepotGet(ids[i]);
sp_map = map.Get(ids[i], &sz_map);
EXPECT_EQ(stack.size, sz_map);
EXPECT_EQ(stack.trace, sp_map);
}
}
}