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357 lines
12 KiB
357 lines
12 KiB
/*
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* Copyright (C) 2015 The Android Open Source Project
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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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*/
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#include "android-base/strings.h"
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#include <gtest/gtest.h>
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#include <string>
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#include <vector>
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#include <set>
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#include <unordered_set>
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TEST(strings, split_empty) {
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std::vector<std::string> parts = android::base::Split("", ",");
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ASSERT_EQ(1U, parts.size());
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ASSERT_EQ("", parts[0]);
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}
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TEST(strings, split_single) {
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std::vector<std::string> parts = android::base::Split("foo", ",");
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ASSERT_EQ(1U, parts.size());
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ASSERT_EQ("foo", parts[0]);
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}
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TEST(strings, split_simple) {
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std::vector<std::string> parts = android::base::Split("foo,bar,baz", ",");
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ASSERT_EQ(3U, parts.size());
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ASSERT_EQ("foo", parts[0]);
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ASSERT_EQ("bar", parts[1]);
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ASSERT_EQ("baz", parts[2]);
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}
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TEST(strings, split_with_empty_part) {
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std::vector<std::string> parts = android::base::Split("foo,,bar", ",");
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ASSERT_EQ(3U, parts.size());
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ASSERT_EQ("foo", parts[0]);
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ASSERT_EQ("", parts[1]);
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ASSERT_EQ("bar", parts[2]);
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}
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TEST(strings, split_with_trailing_empty_part) {
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std::vector<std::string> parts = android::base::Split("foo,bar,", ",");
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ASSERT_EQ(3U, parts.size());
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ASSERT_EQ("foo", parts[0]);
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ASSERT_EQ("bar", parts[1]);
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ASSERT_EQ("", parts[2]);
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}
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TEST(strings, split_null_char) {
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std::vector<std::string> parts =
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android::base::Split(std::string("foo\0bar", 7), std::string("\0", 1));
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ASSERT_EQ(2U, parts.size());
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ASSERT_EQ("foo", parts[0]);
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ASSERT_EQ("bar", parts[1]);
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}
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TEST(strings, split_any) {
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std::vector<std::string> parts = android::base::Split("foo:bar,baz", ",:");
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ASSERT_EQ(3U, parts.size());
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ASSERT_EQ("foo", parts[0]);
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ASSERT_EQ("bar", parts[1]);
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ASSERT_EQ("baz", parts[2]);
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}
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TEST(strings, split_any_with_empty_part) {
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std::vector<std::string> parts = android::base::Split("foo:,bar", ",:");
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ASSERT_EQ(3U, parts.size());
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ASSERT_EQ("foo", parts[0]);
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ASSERT_EQ("", parts[1]);
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ASSERT_EQ("bar", parts[2]);
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}
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TEST(strings, trim_empty) {
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ASSERT_EQ("", android::base::Trim(""));
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}
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TEST(strings, trim_already_trimmed) {
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ASSERT_EQ("foo", android::base::Trim("foo"));
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}
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TEST(strings, trim_left) {
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ASSERT_EQ("foo", android::base::Trim(" foo"));
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}
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TEST(strings, trim_right) {
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ASSERT_EQ("foo", android::base::Trim("foo "));
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}
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TEST(strings, trim_both) {
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ASSERT_EQ("foo", android::base::Trim(" foo "));
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}
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TEST(strings, trim_no_trim_middle) {
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ASSERT_EQ("foo bar", android::base::Trim("foo bar"));
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}
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TEST(strings, trim_other_whitespace) {
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ASSERT_EQ("foo", android::base::Trim("\v\tfoo\n\f"));
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}
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TEST(strings, join_nothing) {
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std::vector<std::string> list = {};
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ASSERT_EQ("", android::base::Join(list, ','));
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}
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TEST(strings, join_single) {
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std::vector<std::string> list = {"foo"};
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ASSERT_EQ("foo", android::base::Join(list, ','));
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}
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TEST(strings, join_simple) {
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std::vector<std::string> list = {"foo", "bar", "baz"};
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ASSERT_EQ("foo,bar,baz", android::base::Join(list, ','));
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}
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TEST(strings, join_separator_in_vector) {
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std::vector<std::string> list = {",", ","};
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ASSERT_EQ(",,,", android::base::Join(list, ','));
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}
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TEST(strings, join_simple_ints) {
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std::set<int> list = {1, 2, 3};
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ASSERT_EQ("1,2,3", android::base::Join(list, ','));
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}
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TEST(strings, join_unordered_set) {
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std::unordered_set<int> list = {1, 2};
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ASSERT_TRUE("1,2" == android::base::Join(list, ',') ||
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"2,1" == android::base::Join(list, ','));
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}
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TEST(strings, StartsWith_empty) {
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ASSERT_FALSE(android::base::StartsWith("", "foo"));
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ASSERT_TRUE(android::base::StartsWith("", ""));
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}
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TEST(strings, StartsWithIgnoreCase_empty) {
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ASSERT_FALSE(android::base::StartsWithIgnoreCase("", "foo"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("", ""));
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}
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TEST(strings, StartsWith_simple) {
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ASSERT_TRUE(android::base::StartsWith("foo", ""));
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ASSERT_TRUE(android::base::StartsWith("foo", "f"));
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ASSERT_TRUE(android::base::StartsWith("foo", "fo"));
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ASSERT_TRUE(android::base::StartsWith("foo", "foo"));
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}
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TEST(strings, StartsWithIgnoreCase_simple) {
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", ""));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "f"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "F"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "fo"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "fO"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "Fo"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "FO"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "foo"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "foO"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "fOo"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "fOO"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "Foo"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "FoO"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "FOo"));
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("foo", "FOO"));
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}
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TEST(strings, StartsWith_prefix_too_long) {
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ASSERT_FALSE(android::base::StartsWith("foo", "foobar"));
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}
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TEST(strings, StartsWithIgnoreCase_prefix_too_long) {
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ASSERT_FALSE(android::base::StartsWithIgnoreCase("foo", "foobar"));
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ASSERT_FALSE(android::base::StartsWithIgnoreCase("foo", "FOOBAR"));
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}
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TEST(strings, StartsWith_contains_prefix) {
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ASSERT_FALSE(android::base::StartsWith("foobar", "oba"));
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ASSERT_FALSE(android::base::StartsWith("foobar", "bar"));
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}
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TEST(strings, StartsWithIgnoreCase_contains_prefix) {
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ASSERT_FALSE(android::base::StartsWithIgnoreCase("foobar", "oba"));
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ASSERT_FALSE(android::base::StartsWithIgnoreCase("foobar", "OBA"));
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ASSERT_FALSE(android::base::StartsWithIgnoreCase("foobar", "bar"));
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ASSERT_FALSE(android::base::StartsWithIgnoreCase("foobar", "BAR"));
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}
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TEST(strings, StartsWith_char) {
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ASSERT_FALSE(android::base::StartsWith("", 'f'));
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ASSERT_TRUE(android::base::StartsWith("foo", 'f'));
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ASSERT_FALSE(android::base::StartsWith("foo", 'o'));
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}
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TEST(strings, EndsWith_empty) {
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ASSERT_FALSE(android::base::EndsWith("", "foo"));
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ASSERT_TRUE(android::base::EndsWith("", ""));
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}
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TEST(strings, EndsWithIgnoreCase_empty) {
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ASSERT_FALSE(android::base::EndsWithIgnoreCase("", "foo"));
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ASSERT_FALSE(android::base::EndsWithIgnoreCase("", "FOO"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("", ""));
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}
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TEST(strings, EndsWith_simple) {
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ASSERT_TRUE(android::base::EndsWith("foo", ""));
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ASSERT_TRUE(android::base::EndsWith("foo", "o"));
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ASSERT_TRUE(android::base::EndsWith("foo", "oo"));
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ASSERT_TRUE(android::base::EndsWith("foo", "foo"));
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}
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TEST(strings, EndsWithIgnoreCase_simple) {
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", ""));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "o"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "O"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "oo"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "oO"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "Oo"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "OO"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "foo"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "foO"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "fOo"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "fOO"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "Foo"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "FoO"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "FOo"));
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("foo", "FOO"));
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}
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TEST(strings, EndsWith_prefix_too_long) {
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ASSERT_FALSE(android::base::EndsWith("foo", "foobar"));
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}
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TEST(strings, EndsWithIgnoreCase_prefix_too_long) {
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ASSERT_FALSE(android::base::EndsWithIgnoreCase("foo", "foobar"));
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ASSERT_FALSE(android::base::EndsWithIgnoreCase("foo", "FOOBAR"));
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}
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TEST(strings, EndsWith_contains_prefix) {
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ASSERT_FALSE(android::base::EndsWith("foobar", "oba"));
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ASSERT_FALSE(android::base::EndsWith("foobar", "foo"));
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}
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TEST(strings, EndsWithIgnoreCase_contains_prefix) {
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ASSERT_FALSE(android::base::EndsWithIgnoreCase("foobar", "OBA"));
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ASSERT_FALSE(android::base::EndsWithIgnoreCase("foobar", "FOO"));
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}
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TEST(strings, StartsWith_std_string) {
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ASSERT_TRUE(android::base::StartsWith("hello", std::string{"hell"}));
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ASSERT_FALSE(android::base::StartsWith("goodbye", std::string{"hell"}));
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}
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TEST(strings, StartsWithIgnoreCase_std_string) {
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ASSERT_TRUE(android::base::StartsWithIgnoreCase("HeLlO", std::string{"hell"}));
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ASSERT_FALSE(android::base::StartsWithIgnoreCase("GoOdByE", std::string{"hell"}));
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}
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TEST(strings, EndsWith_std_string) {
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ASSERT_TRUE(android::base::EndsWith("hello", std::string{"lo"}));
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ASSERT_FALSE(android::base::EndsWith("goodbye", std::string{"lo"}));
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}
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TEST(strings, EndsWithIgnoreCase_std_string) {
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ASSERT_TRUE(android::base::EndsWithIgnoreCase("HeLlO", std::string{"lo"}));
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ASSERT_FALSE(android::base::EndsWithIgnoreCase("GoOdByE", std::string{"lo"}));
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}
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TEST(strings, EndsWith_char) {
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ASSERT_FALSE(android::base::EndsWith("", 'o'));
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ASSERT_TRUE(android::base::EndsWith("foo", 'o'));
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ASSERT_FALSE(android::base::EndsWith("foo", "f"));
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}
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TEST(strings, EqualsIgnoreCase) {
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ASSERT_TRUE(android::base::EqualsIgnoreCase("foo", "FOO"));
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ASSERT_TRUE(android::base::EqualsIgnoreCase("FOO", "foo"));
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ASSERT_FALSE(android::base::EqualsIgnoreCase("foo", "bar"));
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ASSERT_FALSE(android::base::EqualsIgnoreCase("foo", "fool"));
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}
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TEST(strings, ubsan_28729303) {
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android::base::Split("/dev/null", ":");
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}
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TEST(strings, ConsumePrefix) {
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std::string_view s{"foo.bar"};
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ASSERT_FALSE(android::base::ConsumePrefix(&s, "bar."));
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ASSERT_EQ("foo.bar", s);
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ASSERT_TRUE(android::base::ConsumePrefix(&s, "foo."));
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ASSERT_EQ("bar", s);
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}
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TEST(strings, ConsumeSuffix) {
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std::string_view s{"foo.bar"};
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ASSERT_FALSE(android::base::ConsumeSuffix(&s, ".foo"));
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ASSERT_EQ("foo.bar", s);
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ASSERT_TRUE(android::base::ConsumeSuffix(&s, ".bar"));
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ASSERT_EQ("foo", s);
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}
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TEST(strings, StringReplace_false) {
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// No change.
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ASSERT_EQ("abcabc", android::base::StringReplace("abcabc", "z", "Z", false));
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ASSERT_EQ("", android::base::StringReplace("", "z", "Z", false));
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ASSERT_EQ("abcabc", android::base::StringReplace("abcabc", "", "Z", false));
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// Equal lengths.
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ASSERT_EQ("Abcabc", android::base::StringReplace("abcabc", "a", "A", false));
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ASSERT_EQ("aBcabc", android::base::StringReplace("abcabc", "b", "B", false));
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ASSERT_EQ("abCabc", android::base::StringReplace("abcabc", "c", "C", false));
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// Longer replacement.
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ASSERT_EQ("foobcabc", android::base::StringReplace("abcabc", "a", "foo", false));
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ASSERT_EQ("afoocabc", android::base::StringReplace("abcabc", "b", "foo", false));
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ASSERT_EQ("abfooabc", android::base::StringReplace("abcabc", "c", "foo", false));
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// Shorter replacement.
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ASSERT_EQ("xxyz", android::base::StringReplace("abcxyz", "abc", "x", false));
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ASSERT_EQ("axyz", android::base::StringReplace("abcxyz", "bcx", "x", false));
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ASSERT_EQ("abcx", android::base::StringReplace("abcxyz", "xyz", "x", false));
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}
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TEST(strings, StringReplace_true) {
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// No change.
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ASSERT_EQ("abcabc", android::base::StringReplace("abcabc", "z", "Z", true));
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ASSERT_EQ("", android::base::StringReplace("", "z", "Z", true));
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ASSERT_EQ("abcabc", android::base::StringReplace("abcabc", "", "Z", true));
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// Equal lengths.
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ASSERT_EQ("AbcAbc", android::base::StringReplace("abcabc", "a", "A", true));
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ASSERT_EQ("aBcaBc", android::base::StringReplace("abcabc", "b", "B", true));
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ASSERT_EQ("abCabC", android::base::StringReplace("abcabc", "c", "C", true));
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// Longer replacement.
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ASSERT_EQ("foobcfoobc", android::base::StringReplace("abcabc", "a", "foo", true));
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ASSERT_EQ("afoocafooc", android::base::StringReplace("abcabc", "b", "foo", true));
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ASSERT_EQ("abfooabfoo", android::base::StringReplace("abcabc", "c", "foo", true));
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// Shorter replacement.
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ASSERT_EQ("xxyzx", android::base::StringReplace("abcxyzabc", "abc", "x", true));
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ASSERT_EQ("<xx>", android::base::StringReplace("<abcabc>", "abc", "x", true));
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}
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