61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
// Copyright 2021 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#include <cstring>
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#include "gtest/gtest.h"
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#include "pw_crypto/sha256.h"
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#include "pw_crypto/sha256_backend.h"
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namespace pw::crypto::sha256 {
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namespace {
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#define AS_BYTES(str) std::as_bytes(std::span(str, sizeof(str) - 1))
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#define ASSERT_OK(expr) ASSERT_EQ(OkStatus(), expr)
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#define ASSERT_FAIL(expr) ASSERT_NE(OkStatus(), expr)
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TEST(Sha256, HandlesBackendInitFailures) {
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std::byte digest[kDigestSizeBytes];
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backend::ClearError();
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ASSERT_OK(Sha256().Update(AS_BYTES("blahblah")).Final(digest));
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backend::InjectError(backend::ErrorKind::kInit);
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ASSERT_FAIL(Sha256().Update(AS_BYTES("blahblah")).Final(digest));
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}
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TEST(Sha256, HandlesBackendUpdateFailures) {
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std::byte digest[kDigestSizeBytes];
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backend::ClearError();
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ASSERT_OK(Sha256().Update(AS_BYTES("blahblah")).Final(digest));
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backend::InjectError(backend::ErrorKind::kUpdate);
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ASSERT_FAIL(Sha256().Update(AS_BYTES("blahblah")).Final(digest));
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}
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TEST(Sha256, HandlesBackendFinalFailures) {
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std::byte digest[kDigestSizeBytes];
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backend::ClearError();
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ASSERT_OK(Sha256().Update(AS_BYTES("blahblah")).Final(digest));
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backend::InjectError(backend::ErrorKind::kFinal);
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ASSERT_FAIL(Sha256().Update(AS_BYTES("blahblah")).Final(digest));
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}
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} // namespace
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} // namespace pw::crypto::sha256
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