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81 lines
2.6 KiB
81 lines
2.6 KiB
// Copyright 2020 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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#include "base/StringFormat.h"
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#include <gtest/gtest.h>
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namespace android {
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namespace base {
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TEST(StringFormat, EmptyString) {
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std::string s = StringFormat("");
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EXPECT_TRUE(s.empty());
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EXPECT_STREQ("", s.c_str());
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}
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TEST(StringFormat, SimpleString) {
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std::string s = StringFormat("foobar");
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EXPECT_STREQ("foobar", s.c_str());
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}
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TEST(StringFormat, SimpleDecimal) {
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std::string s = StringFormat("Pi is about %d.%d\n", 3, 1415);
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EXPECT_STREQ("Pi is about 3.1415\n", s.c_str());
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}
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TEST(StringFormat, VeryLongString) {
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static const char kPiece[] = "A hospital bed is a parked taxi with the meter running - Groucho Marx. ";
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const size_t kPieceLen = sizeof(kPiece) - 1U;
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std::string s = StringFormat("%s%s%s%s%s%s%s", kPiece, kPiece, kPiece,
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kPiece, kPiece, kPiece, kPiece);
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EXPECT_EQ(7U * kPieceLen, s.size());
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for (size_t n = 0; n < 7U; ++n) {
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std::string s2 = std::string(s.c_str() + n * kPieceLen, kPieceLen);
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EXPECT_STREQ(kPiece, s2.c_str()) << "Index #" << n;
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}
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}
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TEST(StringAppendFormat, EmptyString) {
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std::string s = "foo";
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StringAppendFormat(&s, "");
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EXPECT_EQ(3U, s.size());
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EXPECT_STREQ("foo", s.c_str());
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}
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TEST(StringAppendFormat, SimpleString) {
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std::string s = "foo";
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StringAppendFormat(&s, "bar");
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EXPECT_EQ(6U, s.size());
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EXPECT_STREQ("foobar", s.c_str());
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}
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TEST(StringAppendFormat, VeryLongString) {
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static const char kPiece[] = "A hospital bed is a parked taxi with the meter running - Groucho Marx. ";
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const size_t kPieceLen = sizeof(kPiece) - 1U;
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const size_t kCount = 12;
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std::string s;
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for (size_t n = 0; n < kCount; ++n) {
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StringAppendFormat(&s, "%s", kPiece);
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}
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EXPECT_EQ(kCount * kPieceLen, s.size());
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for (size_t n = 0; n < kCount; ++n) {
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std::string s2 = std::string(s.c_str() + n * kPieceLen, kPieceLen);
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EXPECT_STREQ(kPiece, s2.c_str()) << "Index #" << n;
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}
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}
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} // namespace base
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} // namespace android
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