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3c83be8a5b
A simple success / failure return value utility. Change-Id: I704cb714b3f371520424926647a0bec1a186484f Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/91301 Commit-Queue: Ben Clayton <bclayton@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com>
56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
// Copyright 2022 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://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,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/tint/utils/result.h"
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#include <string>
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#include "gmock/gmock.h"
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namespace tint::utils {
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namespace {
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TEST(ResultTest, SuccessInt) {
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auto r = Result<int>(123);
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EXPECT_TRUE(r);
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EXPECT_FALSE(!r);
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EXPECT_EQ(r.Get(), 123);
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}
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TEST(ResultTest, SuccessStruct) {
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struct S {
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int value;
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};
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auto r = Result<S>({123});
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EXPECT_TRUE(r);
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EXPECT_FALSE(!r);
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EXPECT_EQ(r->value, 123);
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}
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TEST(ResultTest, Failure) {
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auto r = Result<int>(Failure);
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EXPECT_FALSE(r);
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EXPECT_TRUE(!r);
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}
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TEST(ResultTest, CustomFailure) {
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auto r = Result<int, std::string>("oh noes!");
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EXPECT_FALSE(r);
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EXPECT_TRUE(!r);
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EXPECT_EQ(r.Failure(), "oh noes!");
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}
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} // namespace
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} // namespace tint::utils
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