//===-- sanitizer_stackdepot_test.cc --------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer/AddressSanitizer runtime.
//
//===----------------------------------------------------------------------===//
#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));
uptr sz1 = 0;
const uptr *sp1 = StackDepotGet(i1, &sz1);
EXPECT_NE(sp1, (uptr*)0);
EXPECT_EQ(sz1, ARRAY_SIZE(s1));
EXPECT_EQ(internal_memcmp(sp1, s1, sizeof(s1)), 0);
}
TEST(SanitizerCommon, StackDepotAbsent) {
uptr sz1 = 0;
const uptr *sp1 = StackDepotGet((1 << 30) - 1, &sz1);
EXPECT_EQ(sp1, (uptr*)0);
}
TEST(SanitizerCommon, StackDepotEmptyStack) {
u32 i1 = StackDepotPut(0, 0);
uptr sz1 = 0;
const uptr *sp1 = StackDepotGet(i1, &sz1);
EXPECT_EQ(sp1, (uptr*)0);
}
TEST(SanitizerCommon, StackDepotZeroId) {
uptr sz1 = 0;
const uptr *sp1 = StackDepotGet(0, &sz1);
EXPECT_EQ(sp1, (uptr*)0);
}
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);
uptr sz1 = 0;
const uptr *sp1 = StackDepotGet(i1, &sz1);
EXPECT_NE(sp1, (uptr*)0);
EXPECT_EQ(sz1, ARRAY_SIZE(s1));
EXPECT_EQ(internal_memcmp(sp1, s1, sizeof(s1)), 0);
}
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_depot, sz_map;
const uptr *sp_depot, *sp_map;
sp_depot = StackDepotGet(ids[i], &sz_depot);
sp_map = map.Get(ids[i], &sz_map);
EXPECT_EQ(sz_depot, sz_map);
EXPECT_EQ(sp_depot, sp_map);
}
}
} // namespace __sanitizer