StringPiece_test.cpp revision d5083f6f6b9bc76bbe64052bcec639eee752a321 
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
25namespace android {
26
27TEST(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
37TEST(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
50TEST(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
63TEST(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