1 /*
2  * Copyright (C) 2015 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 #include "androidfw/StringPiece.h"
18 
19 #include <algorithm>
20 #include <string>
21 #include <vector>
22 
23 #include "TestHelpers.h"
24 
25 namespace android {
26 
TEST(StringPieceTest,CompareNonNullTerminatedPiece)27 TEST(StringPieceTest, CompareNonNullTerminatedPiece) {
28   StringPiece a("hello world", 5);
29   StringPiece b("hello moon", 5);
30   EXPECT_EQ(a, b);
31 
32   StringPiece16 a16(u"hello world", 5);
33   StringPiece16 b16(u"hello moon", 5);
34   EXPECT_EQ(a16, b16);
35 }
36 
TEST(StringPieceTest,PiecesHaveCorrectSortOrder)37 TEST(StringPieceTest, PiecesHaveCorrectSortOrder) {
38   std::string testing("testing");
39   std::string banana("banana");
40   std::string car("car");
41 
42   EXPECT_TRUE(StringPiece(testing) > banana);
43   EXPECT_TRUE(StringPiece(testing) > car);
44   EXPECT_TRUE(StringPiece(banana) < testing);
45   EXPECT_TRUE(StringPiece(banana) < car);
46   EXPECT_TRUE(StringPiece(car) < testing);
47   EXPECT_TRUE(StringPiece(car) > banana);
48 }
49 
TEST(StringPieceTest,PiecesHaveCorrectSortOrderUtf8)50 TEST(StringPieceTest, PiecesHaveCorrectSortOrderUtf8) {
51   std::string testing("testing");
52   std::string banana("banana");
53   std::string car("car");
54 
55   EXPECT_TRUE(StringPiece(testing) > banana);
56   EXPECT_TRUE(StringPiece(testing) > car);
57   EXPECT_TRUE(StringPiece(banana) < testing);
58   EXPECT_TRUE(StringPiece(banana) < car);
59   EXPECT_TRUE(StringPiece(car) < testing);
60   EXPECT_TRUE(StringPiece(car) > banana);
61 }
62 
TEST(StringPieceTest,ContainsOtherStringPiece)63 TEST(StringPieceTest, ContainsOtherStringPiece) {
64   StringPiece text("I am a leaf on the wind.");
65   StringPiece start_needle("I am");
66   StringPiece end_needle("wind.");
67   StringPiece middle_needle("leaf");
68   StringPiece empty_needle("");
69   StringPiece missing_needle("soar");
70   StringPiece long_needle("This string is longer than the text.");
71 
72   EXPECT_TRUE(text.contains(start_needle));
73   EXPECT_TRUE(text.contains(end_needle));
74   EXPECT_TRUE(text.contains(middle_needle));
75   EXPECT_TRUE(text.contains(empty_needle));
76   EXPECT_FALSE(text.contains(missing_needle));
77   EXPECT_FALSE(text.contains(long_needle));
78 
79   StringPiece16 text16(u"I am a leaf on the wind.");
80   StringPiece16 start_needle16(u"I am");
81   StringPiece16 end_needle16(u"wind.");
82   StringPiece16 middle_needle16(u"leaf");
83   StringPiece16 empty_needle16(u"");
84   StringPiece16 missing_needle16(u"soar");
85   StringPiece16 long_needle16(u"This string is longer than the text.");
86 
87   EXPECT_TRUE(text16.contains(start_needle16));
88   EXPECT_TRUE(text16.contains(end_needle16));
89   EXPECT_TRUE(text16.contains(middle_needle16));
90   EXPECT_TRUE(text16.contains(empty_needle16));
91   EXPECT_FALSE(text16.contains(missing_needle16));
92   EXPECT_FALSE(text16.contains(long_needle16));
93 }
94 
95 }  // namespace android
96