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Merge "Fix SharedBuffer tests to pass under hwasan." am: 2d697d330f am: 7266e44305 am: 1c8f0bad6b

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Original change: https://android-review.googlesource.com/c/platform/system/core/+/1466463

Change-Id: I45d171b1a1f2a9c48f945edcb074144801be6cd5
This commit is contained in:
Elliott Hughes 2020-10-20 20:07:00 +00:00 committed by Automerger Merge Worker
commit f9ff52ef3f
1 changed files with 38 additions and 29 deletions
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67
libutils/SharedBuffer_test.cpp
View file

@ -23,36 +23,45 @@
#include "SharedBuffer.h"
TEST(SharedBufferTest, TestAlloc) {
EXPECT_DEATH(android::SharedBuffer::alloc(SIZE_MAX), "");
EXPECT_DEATH(android::SharedBuffer::alloc(SIZE_MAX - sizeof(android::SharedBuffer)), "");
extern "C" void __hwasan_init() __attribute__((weak));
#define SKIP_WITH_HWASAN \
if (&__hwasan_init != 0) GTEST_SKIP()
// Make sure we don't die here.
// Check that null is returned, as we are asking for the whole address space.
android::SharedBuffer* buf =
android::SharedBuffer::alloc(SIZE_MAX - sizeof(android::SharedBuffer) - 1);
ASSERT_EQ(nullptr, buf);
buf = android::SharedBuffer::alloc(0);
ASSERT_NE(nullptr, buf);
ASSERT_EQ(0U, buf->size());
buf->release();
TEST(SharedBufferTest, alloc_death) {
EXPECT_DEATH(android::SharedBuffer::alloc(SIZE_MAX), "");
EXPECT_DEATH(android::SharedBuffer::alloc(SIZE_MAX - sizeof(android::SharedBuffer)), "");
}
TEST(SharedBufferTest, TestEditResize) {
android::SharedBuffer* buf = android::SharedBuffer::alloc(10);
EXPECT_DEATH(buf->editResize(SIZE_MAX - sizeof(android::SharedBuffer)), "");
buf = android::SharedBuffer::alloc(10);
EXPECT_DEATH(buf->editResize(SIZE_MAX), "");
buf = android::SharedBuffer::alloc(10);
// Make sure we don't die here.
// Check that null is returned, as we are asking for the whole address space.
buf = buf->editResize(SIZE_MAX - sizeof(android::SharedBuffer) - 1);
ASSERT_EQ(nullptr, buf);
buf = android::SharedBuffer::alloc(10);
buf = buf->editResize(0);
ASSERT_EQ(0U, buf->size());
buf->release();
TEST(SharedBufferTest, alloc_null) {
// Big enough to fail, not big enough to abort.
SKIP_WITH_HWASAN; // hwasan has a 2GiB allocation limit.
ASSERT_EQ(nullptr, android::SharedBuffer::alloc(SIZE_MAX / 2));
}
TEST(SharedBufferTest, alloc_zero_size) {
android::SharedBuffer* buf = android::SharedBuffer::alloc(0);
ASSERT_NE(nullptr, buf);
ASSERT_EQ(0U, buf->size());
buf->release();
}
TEST(SharedBufferTest, editResize_death) {
android::SharedBuffer* buf = android::SharedBuffer::alloc(10);
EXPECT_DEATH(buf->editResize(SIZE_MAX - sizeof(android::SharedBuffer)), "");
buf = android::SharedBuffer::alloc(10);
EXPECT_DEATH(buf->editResize(SIZE_MAX), "");
}
TEST(SharedBufferTest, editResize_null) {
// Big enough to fail, not big enough to abort.
SKIP_WITH_HWASAN; // hwasan has a 2GiB allocation limit.
android::SharedBuffer* buf = android::SharedBuffer::alloc(10);
ASSERT_EQ(nullptr, buf->editResize(SIZE_MAX / 2));
}
TEST(SharedBufferTest, editResize_zero_size) {
android::SharedBuffer* buf = android::SharedBuffer::alloc(10);
buf = buf->editResize(0);
ASSERT_EQ(0U, buf->size());
buf->release();
}