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:
SetUp()28 virtual void SetUp() {
29 }
30
TearDown()31 virtual void TearDown() {
32 }
33 };
34
TEST_F(String8Test,Cstr)35 TEST_F(String8Test, Cstr) {
36 String8 tmp("Hello, world!");
37
38 EXPECT_STREQ(tmp.string(), "Hello, world!");
39 }
40
TEST_F(String8Test,OperatorPlus)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
TEST_F(String8Test,OperatorPlusEquals)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
TEST_F(String8Test,SetToSizeMaxReturnsNoMemory)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
TEST_F(String8Test,CorrectInvalidSurrogate)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
TEST_F(String8Test,CheckUtf32Conversion)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