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[wasm] Add test for non-misaligned OOB access.

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R=ahaas@chromium.org,bradnelson@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1601843002

Cr-Commit-Position: refs/heads/master@{#33374}
This commit is contained in:
titzer 2016-01-18 09:33:53 -08:00 committed by Commit bot
parent e26aa58b1a
commit 5ad6f6de07
1 changed files with 26 additions and 2 deletions
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28
test/cctest/wasm/test-run-wasm.cc
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@ -1545,10 +1545,10 @@ TEST(Run_Wasm_LoadMemI32_offset) {
}
// TODO(titzer): Fix for mips and re-enable.
#if !V8_TARGET_ARCH_MIPS && !V8_TARGET_ARCH_MIPS64
TEST(Run_Wasm_LoadMemI32_const_oob) {
TEST(Run_Wasm_LoadMemI32_const_oob_misaligned) {
// TODO(titzer): Fix misaligned accesses on MIPS and re-enable.
TestingModule module;
const int kMemSize = 12;
module.AddMemoryElems<byte>(kMemSize);
@ -1574,6 +1574,30 @@ TEST(Run_Wasm_LoadMemI32_const_oob) {
#endif
TEST(Run_Wasm_LoadMemI32_const_oob) {
TestingModule module;
const int kMemSize = 24;
module.AddMemoryElems<byte>(kMemSize);
for (int offset = 0; offset < kMemSize + 5; offset += 4) {
for (int index = 0; index < kMemSize + 5; index += 4) {
WasmRunner<int32_t> r;
r.env()->module = &module;
module.RandomizeMemory();
BUILD(r,
WASM_LOAD_MEM_OFFSET(MachineType::Int32(), offset, WASM_I8(index)));
if ((offset + index) <= (kMemSize - sizeof(int32_t))) {
CHECK_EQ(module.raw_val_at<int32_t>(offset + index), r.Call());
} else {
CHECK_TRAP(r.Call());
}
}
}
}
TEST(Run_Wasm_StoreMemI32_offset) {
WasmRunner<int32_t> r(MachineType::Int32());
const int32_t kWritten = 0xaabbccdd;