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      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 "SkTypes.h"
      9 
     10 #if SK_SUPPORT_GPU
     11 #include "Test.h"
     12 #include "gl/GrGLSLPrettyPrint.h"
     13 
     14 #define ASSERT(x) REPORTER_ASSERT(r, x)
     15 
     16 const SkString input1("#this is not a realshader\nvec4 some stuff;outside of a function;"
     17                      "int i(int b, int c) { { some stuff;} fake block; //comments\n return i;}"
     18                      "void main()");
     19 const SkString input2("{nowin a function;{indenting;{abit more;dreadedfor((;;)(;)((;;);)){"
     20                      "doingstuff"
     21                      ";for(;;;){and more stufff;mixed garbage\n\n\t\t\t\t\n/*using this"
     22                      " comment\n is");
     23 const SkString input3(" dangerous\ndo so at your own\n risk*/;\n\n\t\t\t\n"
     24                      "//a comment");
     25 const SkString input4("breaking in comment");
     26 const SkString input5("continuing the comment");
     27 const SkString input6("\n}}a; little ;  love; for   ; leading;  spaces;} "
     28                      "an struct = { int a; int b; };"
     29                      "int[5] arr = int[5](1,2,3,4,5);} some code at the bottom; for(;;) {} }");
     30 
     31 const SkString output1(
     32         "   1\t#this is not a realshader\n"
     33         "   2\tvec4 some stuff;\n"
     34         "   3\toutside of a function;\n"
     35         "   4\tint i(int b, int c) \n"
     36         "   5\t{\n"
     37         "   6\t\t{\n"
     38         "   7\t\t\tsome stuff;\n"
     39         "   8\t\t}\n"
     40         "   9\t\tfake block;\n"
     41         "  10\t\t//comments\n"
     42         "  11\t\treturn i;\n"
     43         "  12\t}\n"
     44         "  13\tvoid main()\n"
     45         "  14\t{\n"
     46         "  15\t\tnowin a function;\n"
     47         "  16\t\t{\n"
     48         "  17\t\t\tindenting;\n"
     49         "  18\t\t\t{\n"
     50         "  19\t\t\t\tabit more;\n"
     51         "  20\t\t\t\tdreadedfor((;;)(;)((;;);))\n"
     52         "  21\t\t\t\t{\n"
     53         "  22\t\t\t\t\tdoingstuff;\n"
     54         "  23\t\t\t\t\tfor(;;;)\n"
     55         "  24\t\t\t\t\t{\n"
     56         "  25\t\t\t\t\t\tand more stufff;\n"
     57         "  26\t\t\t\t\t\tmixed garbage/*using this comment\n"
     58         "  27\t\t\t\t\t\t is dangerous\n"
     59         "  28\t\t\t\t\t\tdo so at your own\n"
     60         "  29\t\t\t\t\t\t risk*/;\n"
     61         "  30\t\t\t\t\t\t//a commentbreaking in commentcontinuing the comment\n"
     62         "  31\t\t\t\t\t}\n"
     63         "  32\t\t\t\t}\n"
     64         "  33\t\t\t\ta;\n"
     65         "  34\t\t\t\tlittle ;\n"
     66         "  35\t\t\t\tlove;\n"
     67         "  36\t\t\t\tfor   ;\n"
     68         "  37\t\t\t\tleading;\n"
     69         "  38\t\t\t\tspaces;\n"
     70         "  39\t\t\t}\n"
     71         "  40\t\t\tan struct = \n"
     72         "  41\t\t\t{\n"
     73         "  42\t\t\t\tint a;\n"
     74         "  43\t\t\t\tint b;\n"
     75         "  44\t\t\t}\n"
     76         "  45\t\t\t;\n"
     77         "  46\t\t\tint[5] arr = int[5](1,2,3,4,5);\n"
     78         "  47\t\t}\n"
     79         "  48\t\tsome code at the bottom;\n"
     80         "  49\t\tfor(;;) \n"
     81         "  50\t\t{\n"
     82         "  51\t\t}\n"
     83         "  52\t}\n"
     84         "  53\t");
     85 
     86 const SkString neg1("{;;{{{{;;;{{{{{{{{{{{");
     87 const SkString neg2("###\n##\n#####(((((((((((((unbalanced verything;;;");
     88 const SkString neg3("}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}"
     89         ";;;;;;/////");
     90 
     91 DEF_TEST(GrGLSLPrettyPrint, r) {
     92     SkTArray<const char*> testStr;
     93     SkTArray<int> lengths;
     94     testStr.push_back(input1.c_str());
     95     lengths.push_back((int)input1.size());
     96     testStr.push_back(input2.c_str());
     97     lengths.push_back((int)input2.size());
     98     testStr.push_back(input3.c_str());
     99     lengths.push_back((int)input3.size());
    100     testStr.push_back(input4.c_str());
    101     lengths.push_back((int)input4.size());
    102     testStr.push_back(input5.c_str());
    103     lengths.push_back((int)input5.size());
    104     testStr.push_back(input6.c_str());
    105     lengths.push_back((int)input6.size());
    106 
    107     SkString test = GrGLSLPrettyPrint::PrettyPrintGLSL(testStr.begin(), lengths.begin(),
    108                                                        testStr.count(), true);
    109     ASSERT(output1 == test);
    110 
    111     testStr.reset();
    112     lengths.reset();
    113     testStr.push_back(neg1.c_str());
    114     lengths.push_back((int)neg1.size());
    115     testStr.push_back(neg2.c_str());
    116     lengths.push_back((int)neg2.size());
    117     testStr.push_back(neg3.c_str());
    118     lengths.push_back((int)neg3.size());
    119 
    120     // Just test we don't crash with garbage input
    121     ASSERT(GrGLSLPrettyPrint::PrettyPrintGLSL(testStr.begin(), lengths.begin(), 1,
    122                                               true).c_str() != nullptr);
    123 }
    124 
    125 #endif
    126