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 "ScopedXmlPullParser.h"
18#include "SourceXmlPullParser.h"
19
20#include <gtest/gtest.h>
21#include <sstream>
22#include <string>
23
24namespace aapt {
25
26TEST(ScopedXmlPullParserTest, StopIteratingAtNoNZeroDepth) {
27    std::stringstream input;
28    input << "<?xml version=\"1.0\" encoding=\"utf-8\"?>" << std::endl
29          << "<resources><string></string></resources>" << std::endl;
30
31    SourceXmlPullParser sourceParser(input);
32    EXPECT_EQ(XmlPullParser::Event::kStartElement, sourceParser.next());
33    EXPECT_EQ(std::u16string(u"resources"), sourceParser.getElementName());
34
35    EXPECT_EQ(XmlPullParser::Event::kStartElement, sourceParser.next());
36    EXPECT_EQ(std::u16string(u"string"), sourceParser.getElementName());
37
38    {
39        ScopedXmlPullParser scopedParser(&sourceParser);
40        EXPECT_EQ(XmlPullParser::Event::kEndElement, scopedParser.next());
41        EXPECT_EQ(std::u16string(u"string"), sourceParser.getElementName());
42
43        EXPECT_EQ(XmlPullParser::Event::kEndDocument, scopedParser.next());
44    }
45
46    EXPECT_EQ(XmlPullParser::Event::kEndElement, sourceParser.next());
47    EXPECT_EQ(std::u16string(u"resources"), sourceParser.getElementName());
48
49    EXPECT_EQ(XmlPullParser::Event::kEndDocument, sourceParser.next());
50}
51
52TEST(ScopedXmlPullParserTest, FinishCurrentElementOnDestruction) {
53    std::stringstream input;
54    input << "<?xml version=\"1.0\" encoding=\"utf-8\"?>" << std::endl
55          << "<resources><string></string></resources>" << std::endl;
56
57    SourceXmlPullParser sourceParser(input);
58    EXPECT_EQ(XmlPullParser::Event::kStartElement, sourceParser.next());
59    EXPECT_EQ(std::u16string(u"resources"), sourceParser.getElementName());
60
61    EXPECT_EQ(XmlPullParser::Event::kStartElement, sourceParser.next());
62    EXPECT_EQ(std::u16string(u"string"), sourceParser.getElementName());
63
64    {
65        ScopedXmlPullParser scopedParser(&sourceParser);
66        EXPECT_EQ(std::u16string(u"string"), sourceParser.getElementName());
67    }
68
69    EXPECT_EQ(XmlPullParser::Event::kEndElement, sourceParser.next());
70    EXPECT_EQ(std::u16string(u"resources"), sourceParser.getElementName());
71
72    EXPECT_EQ(XmlPullParser::Event::kEndDocument, sourceParser.next());
73}
74
75TEST(ScopedXmlPullParserTest, NestedParsersOperateCorrectly) {
76    std::stringstream input;
77    input << "<?xml version=\"1.0\" encoding=\"utf-8\"?>" << std::endl
78          << "<resources><string><foo></foo></string></resources>" << std::endl;
79
80    SourceXmlPullParser sourceParser(input);
81    EXPECT_EQ(XmlPullParser::Event::kStartElement, sourceParser.next());
82    EXPECT_EQ(std::u16string(u"resources"), sourceParser.getElementName());
83
84    EXPECT_EQ(XmlPullParser::Event::kStartElement, sourceParser.next());
85    EXPECT_EQ(std::u16string(u"string"), sourceParser.getElementName());
86
87    {
88        ScopedXmlPullParser scopedParser(&sourceParser);
89        EXPECT_EQ(std::u16string(u"string"), scopedParser.getElementName());
90        while (XmlPullParser::isGoodEvent(scopedParser.next())) {
91            if (scopedParser.getEvent() != XmlPullParser::Event::kStartElement) {
92                continue;
93            }
94
95            ScopedXmlPullParser subScopedParser(&scopedParser);
96            EXPECT_EQ(std::u16string(u"foo"), subScopedParser.getElementName());
97        }
98    }
99
100    EXPECT_EQ(XmlPullParser::Event::kEndElement, sourceParser.next());
101    EXPECT_EQ(std::u16string(u"resources"), sourceParser.getElementName());
102
103    EXPECT_EQ(XmlPullParser::Event::kEndDocument, sourceParser.next());
104}
105
106} // namespace aapt
107