Abseil Common Libraries (C++) (grcp 依赖) https://abseil.io/
 
 
 
 
 
 

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// Copyright 2017 The Abseil Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "absl/strings/match.h"
#include "gtest/gtest.h"
namespace {
TEST(MatchTest, StartsWith) {
const std::string s1("123\0abc", 7);
const absl::string_view a("foobar");
const absl::string_view b(s1);
const absl::string_view e;
EXPECT_TRUE(absl::StartsWith(a, a));
EXPECT_TRUE(absl::StartsWith(a, "foo"));
EXPECT_TRUE(absl::StartsWith(a, e));
EXPECT_TRUE(absl::StartsWith(b, s1));
EXPECT_TRUE(absl::StartsWith(b, b));
EXPECT_TRUE(absl::StartsWith(b, e));
EXPECT_TRUE(absl::StartsWith(e, ""));
EXPECT_FALSE(absl::StartsWith(a, b));
EXPECT_FALSE(absl::StartsWith(b, a));
EXPECT_FALSE(absl::StartsWith(e, a));
}
TEST(MatchTest, EndsWith) {
const std::string s1("123\0abc", 7);
const absl::string_view a("foobar");
const absl::string_view b(s1);
const absl::string_view e;
EXPECT_TRUE(absl::EndsWith(a, a));
EXPECT_TRUE(absl::EndsWith(a, "bar"));
EXPECT_TRUE(absl::EndsWith(a, e));
EXPECT_TRUE(absl::EndsWith(b, s1));
EXPECT_TRUE(absl::EndsWith(b, b));
EXPECT_TRUE(absl::EndsWith(b, e));
EXPECT_TRUE(absl::EndsWith(e, ""));
EXPECT_FALSE(absl::EndsWith(a, b));
EXPECT_FALSE(absl::EndsWith(b, a));
EXPECT_FALSE(absl::EndsWith(e, a));
}
TEST(MatchTest, Contains) {
absl::string_view a("abcdefg");
absl::string_view b("abcd");
absl::string_view c("efg");
absl::string_view d("gh");
EXPECT_TRUE(absl::StrContains(a, a));
EXPECT_TRUE(absl::StrContains(a, b));
EXPECT_TRUE(absl::StrContains(a, c));
EXPECT_FALSE(absl::StrContains(a, d));
EXPECT_TRUE(absl::StrContains("", ""));
EXPECT_TRUE(absl::StrContains("abc", ""));
EXPECT_FALSE(absl::StrContains("", "a"));
}
TEST(MatchTest, ContainsChar) {
absl::string_view a("abcdefg");
absl::string_view b("abcd");
EXPECT_TRUE(absl::StrContains(a, 'a'));
EXPECT_TRUE(absl::StrContains(a, 'b'));
EXPECT_TRUE(absl::StrContains(a, 'e'));
EXPECT_FALSE(absl::StrContains(a, 'h'));
EXPECT_TRUE(absl::StrContains(b, 'a'));
EXPECT_TRUE(absl::StrContains(b, 'b'));
EXPECT_FALSE(absl::StrContains(b, 'e'));
EXPECT_FALSE(absl::StrContains(b, 'h'));
EXPECT_FALSE(absl::StrContains("", 'a'));
EXPECT_FALSE(absl::StrContains("", 'a'));
}
TEST(MatchTest, ContainsNull) {
const std::string s = "foo";
const char* cs = "foo";
const absl::string_view sv("foo");
const absl::string_view sv2("foo\0bar", 4);
EXPECT_EQ(s, "foo");
EXPECT_EQ(sv, "foo");
EXPECT_NE(sv2, "foo");
EXPECT_TRUE(absl::EndsWith(s, sv));
EXPECT_TRUE(absl::StartsWith(cs, sv));
EXPECT_TRUE(absl::StrContains(cs, sv));
EXPECT_FALSE(absl::StrContains(cs, sv2));
}
TEST(MatchTest, EqualsIgnoreCase) {
std::string text = "the";
absl::string_view data(text);
EXPECT_TRUE(absl::EqualsIgnoreCase(data, "The"));
EXPECT_TRUE(absl::EqualsIgnoreCase(data, "THE"));
EXPECT_TRUE(absl::EqualsIgnoreCase(data, "the"));
EXPECT_FALSE(absl::EqualsIgnoreCase(data, "Quick"));
EXPECT_FALSE(absl::EqualsIgnoreCase(data, "then"));
}
TEST(MatchTest, StartsWithIgnoreCase) {
EXPECT_TRUE(absl::StartsWithIgnoreCase("foo", "foo"));
EXPECT_TRUE(absl::StartsWithIgnoreCase("foo", "Fo"));
EXPECT_TRUE(absl::StartsWithIgnoreCase("foo", ""));
EXPECT_FALSE(absl::StartsWithIgnoreCase("foo", "fooo"));
EXPECT_FALSE(absl::StartsWithIgnoreCase("", "fo"));
}
TEST(MatchTest, EndsWithIgnoreCase) {
EXPECT_TRUE(absl::EndsWithIgnoreCase("foo", "foo"));
EXPECT_TRUE(absl::EndsWithIgnoreCase("foo", "Oo"));
EXPECT_TRUE(absl::EndsWithIgnoreCase("foo", ""));
EXPECT_FALSE(absl::EndsWithIgnoreCase("foo", "fooo"));
EXPECT_FALSE(absl::EndsWithIgnoreCase("", "fo"));
}
} // namespace