| // Copyright 2015 Google Inc. All Rights Reserved. |
| // |
| // 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 |
| // |
| // http://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 "starboard/string.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace starboard { |
| namespace nplb { |
| namespace { |
| |
| const char kSource[] = "0123456789"; |
| const char kInitial[] = "ABCDEFGHIJ"; |
| |
| void TestConcat(const char* initial, const char* source, bool is_short) { |
| const int kDestinationOffset = 16; |
| int initial_length = static_cast<int>(SbStringGetLength(initial)); |
| int source_length = static_cast<int>(SbStringGetLength(source)); |
| int destination_size = |
| initial_length + source_length + kDestinationOffset * 2; |
| int destination_limit = initial_length + source_length + 1; |
| if (is_short) { |
| ASSERT_LT(1, destination_limit); |
| destination_limit -= 1; |
| } |
| ASSERT_GT(1024, destination_size); |
| char destination[1024] = {0}; |
| char* dest = destination + kDestinationOffset; |
| SbStringCopy(dest, initial, destination_limit); |
| int result = SbStringConcat(dest, source, destination_limit); |
| |
| EXPECT_EQ(initial_length + source_length, result); |
| |
| // Expected to be one less than the limit due to the null terminator. |
| int expected_length = destination_limit - 1; |
| EXPECT_EQ(expected_length, SbStringGetLength(dest)); |
| |
| // Validate the memory before the destination isn't touched. |
| for (int i = 0; i < kDestinationOffset; ++i) { |
| EXPECT_EQ(0, destination[i]); |
| } |
| |
| // Validate the previous data wasn't modified. |
| for (int i = 0; i < initial_length; ++i) { |
| EXPECT_EQ(initial[i], dest[i]); |
| } |
| |
| // Validate the new data was copied. |
| for (int i = 0; i < source_length - (is_short ? 1 : 0); ++i) { |
| EXPECT_EQ(source[i], dest[i + initial_length]); |
| } |
| |
| // Validate the memory after the copy isn't touched. |
| for (int i = 0; i < kDestinationOffset; ++i) { |
| EXPECT_EQ(0, dest[expected_length + i]); |
| } |
| } |
| |
| TEST(SbStringConcatTest, SunnyDay) { |
| TestConcat(kInitial, kSource, false); |
| TestConcat("", kSource, false); |
| } |
| |
| TEST(SbStringConcatTest, SunnyDayEmpty) { |
| TestConcat(kInitial, "", false); |
| TestConcat("", "", false); |
| } |
| |
| TEST(SbStringConcatTest, SunnyDayShort) { |
| TestConcat(kInitial, kSource, true); |
| TestConcat("", kSource, true); |
| } |
| |
| } // namespace |
| } // namespace nplb |
| } // namespace starboard |