1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "String8_test" 18 #include <utils/Log.h> 19 #include <utils/String8.h> 20 #include <utils/String16.h> 21 22 #include <gtest/gtest.h> 23 24 namespace android { 25 26 class String8Test : public testing::Test { 27 protected: 28 virtual void SetUp() { 29 } 30 31 virtual void TearDown() { 32 } 33 }; 34 35 TEST_F(String8Test, Cstr) { 36 String8 tmp("Hello, world!"); 37 38 EXPECT_STREQ(tmp.string(), "Hello, world!"); 39 } 40 41 TEST_F(String8Test, OperatorPlus) { 42 String8 src1("Hello, "); 43 44 // Test adding String8 + const char* 45 const char* ccsrc2 = "world!"; 46 String8 dst1 = src1 + ccsrc2; 47 EXPECT_STREQ(dst1.string(), "Hello, world!"); 48 EXPECT_STREQ(src1.string(), "Hello, "); 49 EXPECT_STREQ(ccsrc2, "world!"); 50 51 // Test adding String8 + String8 52 String8 ssrc2("world!"); 53 String8 dst2 = src1 + ssrc2; 54 EXPECT_STREQ(dst2.string(), "Hello, world!"); 55 EXPECT_STREQ(src1.string(), "Hello, "); 56 EXPECT_STREQ(ssrc2.string(), "world!"); 57 } 58 59 TEST_F(String8Test, OperatorPlusEquals) { 60 String8 src1("My voice"); 61 62 // Testing String8 += String8 63 String8 src2(" is my passport."); 64 src1 += src2; 65 EXPECT_STREQ(src1.string(), "My voice is my passport."); 66 EXPECT_STREQ(src2.string(), " is my passport."); 67 68 // Adding const char* to the previous string. 69 const char* src3 = " Verify me."; 70 src1 += src3; 71 EXPECT_STREQ(src1.string(), "My voice is my passport. Verify me."); 72 EXPECT_STREQ(src2.string(), " is my passport."); 73 EXPECT_STREQ(src3, " Verify me."); 74 } 75 76 TEST_F(String8Test, SetToSizeMaxReturnsNoMemory) { 77 const char *in = "some string"; 78 EXPECT_EQ(NO_MEMORY, String8("").setTo(in, SIZE_MAX)); 79 } 80 81 // http://b/29250543 82 TEST_F(String8Test, CorrectInvalidSurrogate) { 83 // d841d8 is an invalid start for a surrogate pair. Make sure this is handled by ignoring the 84 // first character in the pair and handling the rest correctly. 85 String16 string16(u"\xd841\xd841\xdc41\x0000"); 86 String8 string8(string16); 87 88 EXPECT_EQ(4U, string8.length()); 89 } 90 91 TEST_F(String8Test, CheckUtf32Conversion) { 92 // Since bound checks were added, check the conversion can be done without fatal errors. 93 // The utf8 lengths of these are chars are 1 + 2 + 3 + 4 = 10. 94 const char32_t string32[] = U"\x0000007f\x000007ff\x0000911\x0010fffe"; 95 String8 string8(string32); 96 EXPECT_EQ(10U, string8.length()); 97 } 98 99 } 100
