1 /*
2  * Copyright 2014 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "Test.h"
9 
10 #include "GrSKSLPrettyPrint.h"
11 
12 #define ASSERT(x) REPORTER_ASSERT(r, x)
13 
14 const SkString input1("#this is not a realshader\nvec4 some stuff;outside of a function;"
15                      "int i(int b, int c) { { some stuff;} fake block; //comments\n return i;}"
16                      "void main()");
17 const SkString input2("{nowin a function;{indenting;{abit more;dreadedfor((;;)(;)((;;);)){"
18                      "doingstuff"
19                      ";for(;;;){and more stufff;mixed garbage\n\n\t\t\t\t\n/*using this"
20                      " comment\n is");
21 const SkString input3(" dangerous\ndo so at your own\n risk*/;\n\n\t\t\t\n"
22                      "//a comment");
23 const SkString input4("breaking in comment");
24 const SkString input5("continuing the comment");
25 const SkString input6("\n}}a; little ;  love; for   ; leading;  spaces;} "
26                      "an struct = { int a; int b; };"
27                      "int[5] arr = int[5](1,2,3,4,5);} some code at the bottom; for(;;) {} }");
28 
29 const SkSL::String output1(
30         "   1\t#this is not a realshader\n"
31         "   2\tvec4 some stuff;\n"
32         "   3\toutside of a function;\n"
33         "   4\tint i(int b, int c) \n"
34         "   5\t{\n"
35         "   6\t\t{\n"
36         "   7\t\t\tsome stuff;\n"
37         "   8\t\t}\n"
38         "   9\t\tfake block;\n"
39         "  10\t\t//comments\n"
40         "  11\t\treturn i;\n"
41         "  12\t}\n"
42         "  13\tvoid main()\n"
43         "  14\t{\n"
44         "  15\t\tnowin a function;\n"
45         "  16\t\t{\n"
46         "  17\t\t\tindenting;\n"
47         "  18\t\t\t{\n"
48         "  19\t\t\t\tabit more;\n"
49         "  20\t\t\t\tdreadedfor((;;)(;)((;;);))\n"
50         "  21\t\t\t\t{\n"
51         "  22\t\t\t\t\tdoingstuff;\n"
52         "  23\t\t\t\t\tfor(;;;)\n"
53         "  24\t\t\t\t\t{\n"
54         "  25\t\t\t\t\t\tand more stufff;\n"
55         "  26\t\t\t\t\t\tmixed garbage/*using this comment\n"
56         "  27\t\t\t\t\t\t is dangerous\n"
57         "  28\t\t\t\t\t\tdo so at your own\n"
58         "  29\t\t\t\t\t\t risk*/;\n"
59         "  30\t\t\t\t\t\t//a commentbreaking in commentcontinuing the comment\n"
60         "  31\t\t\t\t\t}\n"
61         "  32\t\t\t\t}\n"
62         "  33\t\t\t\ta;\n"
63         "  34\t\t\t\tlittle ;\n"
64         "  35\t\t\t\tlove;\n"
65         "  36\t\t\t\tfor   ;\n"
66         "  37\t\t\t\tleading;\n"
67         "  38\t\t\t\tspaces;\n"
68         "  39\t\t\t}\n"
69         "  40\t\t\tan struct = \n"
70         "  41\t\t\t{\n"
71         "  42\t\t\t\tint a;\n"
72         "  43\t\t\t\tint b;\n"
73         "  44\t\t\t}\n"
74         "  45\t\t\t;\n"
75         "  46\t\t\tint[5] arr = int[5](1,2,3,4,5);\n"
76         "  47\t\t}\n"
77         "  48\t\tsome code at the bottom;\n"
78         "  49\t\tfor(;;) \n"
79         "  50\t\t{\n"
80         "  51\t\t}\n"
81         "  52\t}\n"
82         "  53\t");
83 
84 const SkString neg1("{;;{{{{;;;{{{{{{{{{{{");
85 const SkString neg2("###\n##\n#####(((((((((((((unbalanced verything;;;");
86 const SkString neg3("}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}"
87         ";;;;;;/////");
88 
DEF_TEST(GrSKSLPrettyPrint,r)89 DEF_TEST(GrSKSLPrettyPrint, r) {
90     SkTArray<const char*> testStr;
91     SkTArray<int> lengths;
92     testStr.push_back(input1.c_str());
93     lengths.push_back((int)input1.size());
94     testStr.push_back(input2.c_str());
95     lengths.push_back((int)input2.size());
96     testStr.push_back(input3.c_str());
97     lengths.push_back((int)input3.size());
98     testStr.push_back(input4.c_str());
99     lengths.push_back((int)input4.size());
100     testStr.push_back(input5.c_str());
101     lengths.push_back((int)input5.size());
102     testStr.push_back(input6.c_str());
103     lengths.push_back((int)input6.size());
104 
105     SkSL::String test = GrSKSLPrettyPrint::PrettyPrint(testStr.begin(), lengths.begin(),
106                                                    testStr.count(), true);
107     ASSERT(output1 == test);
108 
109     testStr.reset();
110     lengths.reset();
111     testStr.push_back(neg1.c_str());
112     lengths.push_back((int)neg1.size());
113     testStr.push_back(neg2.c_str());
114     lengths.push_back((int)neg2.size());
115     testStr.push_back(neg3.c_str());
116     lengths.push_back((int)neg3.size());
117 
118     // Just test we don't crash with garbage input
119     ASSERT(GrSKSLPrettyPrint::PrettyPrint(testStr.begin(), lengths.begin(), 1,
120                                           true).c_str() != nullptr);
121 }
122