OXYGENHUB
◆ main openmsx / src / unittest / XMLOutputStream_test.cc
3.5 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#include "catch.hpp"
2 
#include "XMLOutputStream.hh"
3
4 
#include <sstream>
5
6 
// Write to a 'stringstream' instead of a file.
7 
// Throws an exception instead of assert'ing on error.
8 
class TestWriter
9 
{
10 
public:
11 
	explicit TestWriter(std::stringstream& ss_)
12 
		: ss(ss_) {}
13 
	void write(std::span<const char> buf) {
14 
		ss.write(buf.data(), buf.size());
15 
	}
16 
	void write1(char c) {
17 
		ss.put(c);
18 
	}
19 
	void check(bool condition) const {
20 
		if (!condition) {
21 
			throw std::logic_error("assertion failed");
22 
		}
23 
	}
24 
private:
25 
	std::stringstream& ss;
26 
};
27
28 
TEST_CASE("XMLOutputStream: simple")
29 
{
30 
	std::stringstream ss;
31 
	TestWriter writer(ss);
32 
	XMLOutputStream xml(writer);
33
34 
	SECTION("empty") {
35 
		CHECK(ss.str().empty());
36 
	}
37 
	SECTION("2 nested tags, inner tag empty") {
38 
		xml.begin("abc");
39 
		  xml.begin("def");
40 
		  xml.end("def");
41 
		xml.end("abc");
42 
		CHECK(ss.str() == "<abc>\n  <def/>\n</abc>\n");
43 
	}
44 
	SECTION("2 nested tags, inner tag with data") {
45 
		xml.begin("abc");
46 
		  xml.begin("def");
47 
		    xml.data("foobar");
48 
		  xml.end("def");
49 
		xml.end("abc");
50 
		CHECK(ss.str() == "<abc>\n  <def>foobar</def>\n</abc>\n");
51 
	}
52 
	SECTION("2 nested tags, inner tag with attribute, no data") {
53 
		xml.begin("abc");
54 
		  xml.begin("def");
55 
		    xml.attribute("foo", "bar");
56 
		  xml.end("def");
57 
		xml.end("abc");
58 
		CHECK(ss.str() == "<abc>\n  <def foo=\"bar\"/>\n</abc>\n");
59 
	}
60 
	SECTION("2 nested tags, inner tag with attribute and data") {
61 
		xml.begin("abc");
62 
		  xml.begin("def");
63 
		    xml.attribute("foo", "bar");
64 
		    xml.data("qux");
65 
		  xml.end("def");
66 
		xml.end("abc");
67 
		CHECK(ss.str() == "<abc>\n  <def foo=\"bar\">qux</def>\n</abc>\n");
68 
	}
69 
}
70
71 
TEST_CASE("XMLOutputStream: complex")
72 
{
73 
	std::stringstream ss;
74 
	TestWriter writer(ss);
75 
	XMLOutputStream xml(writer);
76
77 
	xml.begin("settings");
78 
	  xml.begin("settings");
79 
	    xml.begin("setting");
80 
	      xml.attribute("id", "noise");
81 
	      xml.data("3.0");
82 
	    xml.end("setting");
83 
	  xml.end("settings");
84 
	  xml.begin("bindings");
85 
	    xml.begin("bind");
86 
	      xml.attribute("key", "keyb F6");
87 
	      xml.data("cycle \"videosource\"");
88 
	    xml.end("bind");
89 
	  xml.end("bindings");
90 
	xml.end("settings");
91
92 
	std::string expected =
93 
		"<settings>\n"
94 
		"  <settings>\n"
95 
		"    <setting id=\"noise\">3.0</setting>\n"
96 
		"  </settings>\n"
97 
		"  <bindings>\n"
98 
		"    <bind key=\"keyb F6\">cycle &quot;videosource&quot;</bind>\n"
99 
		"  </bindings>\n"
100 
		"</settings>\n";
101 
	CHECK(ss.str() == expected);
102 
}
103
104 
TEST_CASE("XMLOutputStream: errors")
105 
{
106 
	std::stringstream ss;
107 
	TestWriter writer(ss);
108 
	XMLOutputStream xml(writer);
109
110 
	SECTION("more end than begin") {
111 
		xml.begin("bla");
112 
		xml.end("bla");
113 
		CHECK_THROWS(xml.end("bla"));
114 
	}
115 
	SECTION("attribute after data") {
116 
		xml.begin("bla");
117 
		  xml.data("qux");
118 
		  CHECK_THROWS(xml.attribute("foo", "bar"));
119 
		//xml.end("bla");
120 
	}
121 
	SECTION("attribute after end") {
122 
		xml.begin("bla");
123 
		  xml.begin("bla");
124 
		  xml.end("bla");
125 
		CHECK_THROWS(xml.attribute("foo", "bar"));
126 
		//xml.end("bla");
127 
	}
128 
	SECTION("begin after data") {
129 
		xml.begin("bla");
130 
		  xml.data("qux");
131 
		  CHECK_THROWS(xml.begin("bla"));
132 
		//  xml.end("bla");
133 
		//xml.end("bla");
134 
	}
135 
	SECTION("data after end") {
136 
		xml.begin("bla");
137 
		  xml.begin("bla");
138 
		  xml.end("bla");
139 
		CHECK_THROWS(xml.data("qux"));
140 
		//xml.end("bla");
141 
	}
142 
	SECTION("data after data") {
143 
		xml.begin("bla");
144 
		  xml.begin("bla");
145 
		    xml.data("bla");
146 
		CHECK_THROWS(xml.data("qux"));
147 
		//xml.end("bla");
148 
		//xml.end("bla");
149 
	}
150 
#ifdef DEBUG // only detected when compiled with -DDEBUG
151 
	SECTION("non-matching begin/end") {
152 
		xml.begin("bla");
153 
		  xml.begin("bla");
154 
		  xml.data("foobar");
155 
		  xml.end("bla");
156 
		CHECK_THROWS(xml.end("err"));
157 
	}
158 
#endif
159 
}