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f629770bcd
This will be used for suggesting alternative diagnostic rule names in the Resolver. Bug: tint:1809 Change-Id: Icc9af02937326f6f774fbaf2aeaa9314c88fdea6 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/117565 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
// Copyright 2021 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/string.h"
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#include "gtest/gtest.h"
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namespace tint::utils {
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namespace {
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TEST(StringTest, ReplaceAll) {
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EXPECT_EQ("xybbcc", ReplaceAll("aabbcc", "aa", "xy"));
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EXPECT_EQ("aaxycc", ReplaceAll("aabbcc", "bb", "xy"));
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EXPECT_EQ("aabbxy", ReplaceAll("aabbcc", "cc", "xy"));
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EXPECT_EQ("xyxybbcc", ReplaceAll("aabbcc", "a", "xy"));
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EXPECT_EQ("aaxyxycc", ReplaceAll("aabbcc", "b", "xy"));
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EXPECT_EQ("aabbxyxy", ReplaceAll("aabbcc", "c", "xy"));
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// Replacement string includes the searched-for string.
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// This proves that the algorithm needs to advance 'pos'
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// past the replacement.
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EXPECT_EQ("aabxybbxybcc", ReplaceAll("aabbcc", "b", "bxyb"));
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}
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TEST(StringTest, ToString) {
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EXPECT_EQ("123", ToString(123));
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EXPECT_EQ("hello", ToString("hello"));
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}
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TEST(StringTest, HasPrefix) {
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EXPECT_TRUE(HasPrefix("abc", "a"));
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EXPECT_TRUE(HasPrefix("abc", "ab"));
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EXPECT_TRUE(HasPrefix("abc", "abc"));
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EXPECT_FALSE(HasPrefix("abc", "abc1"));
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EXPECT_FALSE(HasPrefix("abc", "ac"));
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EXPECT_FALSE(HasPrefix("abc", "b"));
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}
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TEST(StringTest, Distance) {
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EXPECT_EQ(Distance("hello world", "hello world"), 0u);
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EXPECT_EQ(Distance("hello world", "helloworld"), 1u);
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EXPECT_EQ(Distance("helloworld", "hello world"), 1u);
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EXPECT_EQ(Distance("hello world", "hello world"), 1u);
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EXPECT_EQ(Distance("hello world", "hello world"), 1u);
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EXPECT_EQ(Distance("Hello World", "hello world"), 2u);
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EXPECT_EQ(Distance("hello world", "Hello World"), 2u);
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EXPECT_EQ(Distance("Hello world", ""), 11u);
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EXPECT_EQ(Distance("", "Hello world"), 11u);
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}
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TEST(StringTest, SuggestAlternatives) {
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{
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std::ostringstream ss;
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SuggestAlternatives("hello wordl", {"hello world", "Hello World"}, ss);
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EXPECT_EQ(ss.str(), R"(Did you mean 'hello world'?
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Possible values: 'hello world', 'Hello World')");
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}
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{
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std::ostringstream ss;
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SuggestAlternatives("hello world", {"foobar", "something else"}, ss);
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EXPECT_EQ(ss.str(), R"(Possible values: 'foobar', 'something else')");
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}
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}
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} // namespace
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} // namespace tint::utils
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