1/*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24#include "precompiled.hpp"
25#include "memory/resourceArea.hpp"
26#include "prims/jvm.h"
27#include "utilities/json.hpp"
28#include "unittest.hpp"
29
30class JSON_GTest : public JSON {
31 public:
32  static void test(const char* json, bool valid);
33  char* get_output();
34
35 private:
36  JSON_GTest(const char* text);
37  stringStream output;
38
39  void log(uint level, const char* format, ...) ATTRIBUTE_PRINTF(3, 4);
40
41  bool callback(JSON_TYPE t, JSON_VAL* v, uint level);
42  JSON_TYPE prev;
43};
44
45char* JSON_GTest::get_output() {
46  return output.as_string();
47}
48
49void JSON_GTest::test(const char* text, bool should_pass) {
50  ResourceMark rm;
51  JSON_GTest json(text);
52  if (should_pass) {
53    ASSERT_TRUE(json.valid()) << "failed on a valid json string"
54            << std::endl << "debug output:" << std::endl << json.get_output();
55  } else {
56    ASSERT_FALSE(json.valid()) << "succeeded on an invalid json string"
57            << std::endl << "debug output:" << std::endl << json.get_output();
58  }
59}
60
61JSON_GTest::JSON_GTest(const char* text) : JSON(text, false, &output) {
62  prev = JSON_NONE;
63  parse();
64}
65
66TEST_VM(utilities, json_curly_braces) {
67  JSON_GTest::test("{}", true);
68}
69
70TEST_VM(utilities, json_brackets) {
71  JSON_GTest::test("[]", true);
72}
73
74TEST_VM(utilities, json_space_braces) {
75  JSON_GTest::test("  {  }  ", true);
76}
77
78TEST_VM(utilities, json_space_bracketes) {
79  JSON_GTest::test("  [  ]  ", true);
80}
81
82TEST_VM(utilities, json_quoted_error) {
83  JSON_GTest::test("\"error\"", false);
84}
85
86TEST_VM(utilities, json_error_string) {
87  JSON_GTest::test("error", false);
88}
89
90TEST_VM(utilities, json_simple_integer) {
91  JSON_GTest::test("1", false);
92}
93
94TEST_VM(utilities, json_siple_float) {
95  JSON_GTest::test("1.2", false);
96}
97
98TEST_VM(utilities, json_simple_boolean_true) {
99  JSON_GTest::test("true", false);
100}
101
102TEST_VM(utilities, json_simple_boolean_false) {
103  JSON_GTest::test("false", false);
104}
105
106TEST_VM(utilities, json_simple_null) {
107  JSON_GTest::test("null", false);
108}
109
110TEST_VM(utilities, json_one_element_int_array) {
111  JSON_GTest::test("[ 1 ]", true);
112}
113
114TEST_VM(utilities, json_int_array) {
115  JSON_GTest::test("[ 1, ]", true);
116}
117
118TEST_VM(utilities, json_one_element_bool_array) {
119  JSON_GTest::test("[ true ]", true);
120}
121
122TEST_VM(utilities, json_bool_array) {
123  JSON_GTest::test("[ true, ]", true);
124}
125
126TEST_VM(utilities, json_one_element_false_array) {
127  JSON_GTest::test("[ false ]", true);
128}
129
130TEST_VM(utilities, json_false_bool_array) {
131  JSON_GTest::test("[ false, ]", true);
132}
133
134TEST_VM(utilities, json_one_null_array) {
135  JSON_GTest::test("[ null ]", true);
136}
137
138TEST_VM(utilities, json_null_array) {
139  JSON_GTest::test("[ null, ]", true);
140}
141
142TEST_VM(utilities, json_one_empty_string_array) {
143  JSON_GTest::test("[ \"\" ]", true);
144}
145
146TEST_VM(utilities, json_empty_string_array) {
147  JSON_GTest::test("[ \"\", ]", true);
148}
149
150TEST_VM(utilities, json_single_string_array) {
151  JSON_GTest::test("[ \"elem1\" ]", true);
152}
153
154TEST_VM(utilities, json_string_comma_arrray) {
155  JSON_GTest::test("[ \"elem1\", ]", true);
156}
157
158TEST_VM(utilities, json_two_strings_array) {
159  JSON_GTest::test("[ \"elem1\", \"elem2\" ]", true);
160}
161
162TEST_VM(utilities, json_two_strings_comma_array) {
163  JSON_GTest::test("[ \"elem1\", \"elem2\", ]", true);
164}
165
166TEST_VM(utilities, json_curly_braces_outside) {
167  JSON_GTest::test("[ \"elem1\" ] { }", false);
168}
169
170TEST_VM(utilities, json_element_in_array) {
171  JSON_GTest::test("[ elem1, \"elem2\" ]", false);
172}
173
174TEST_VM(utilities, json_incorrect_end_array) {
175  JSON_GTest::test("[ \"elem1\"", false);
176}
177
178TEST_VM(utilities, json_incorrect_string_end) {
179  JSON_GTest::test("[ \"elem1 ]", false);
180}
181
182TEST_VM(utilities, json_incorrect_end_of_two_elements_array) {
183  JSON_GTest::test("[ \"elem1\", \"elem2\"", false);
184}
185
186TEST_VM(utilities, json_incorrect_bool_true_array) {
187  JSON_GTest::test("[ truefoo ]", false);
188}
189
190TEST_VM(utilities, json_incorrect_bool_false_array) {
191  JSON_GTest::test("[ falsefoo ]", false);
192}
193
194TEST_VM(utilities, json_incorrect_null_array) {
195  JSON_GTest::test("[ nullfoo ]", false);
196}
197
198TEST_VM(utilities, json_key_pair) {
199  JSON_GTest::test("{ key : 1 }", true);
200}
201
202TEST_VM(utilities, json_key_pair_comma) {
203  JSON_GTest::test("{ key : 1, }", true);
204}
205
206TEST_VM(utilities, json_bool_true_key) {
207  JSON_GTest::test("{ key : true }", true);
208}
209
210TEST_VM(utilities, json_bool_true_key_comma) {
211  JSON_GTest::test("{ key : true, }", true);
212}
213
214TEST_VM(utilities, json_bool_false_key) {
215  JSON_GTest::test("{ key : false }", true);
216}
217
218TEST_VM(utilities, json_bool_false_key_comma) {
219  JSON_GTest::test("{ key : false, }", true);
220}
221
222TEST_VM(utilities, json_null_key) {
223  JSON_GTest::test("{ key : null }", true);
224}
225
226TEST_VM(utilities, json_null_key_comma) {
227  JSON_GTest::test("{ key : null, }", true);
228}
229
230TEST_VM(utilities, json_pair_of_empty_strings) {
231  JSON_GTest::test("{ \"\" : \"\" }", true);
232}
233
234TEST_VM(utilities, json_pair_of_empty_strings_comma) {
235  JSON_GTest::test("{ \"\" : \"\", }", true);
236}
237
238TEST_VM(utilities, json_pair_of_strings) {
239  JSON_GTest::test("{ \"key1\" : \"val1\" }", true);
240}
241
242TEST_VM(utilities, json_pair_of_strings_comma) {
243  JSON_GTest::test("{ \"key1\" : \"val1\", }", true);
244}
245
246TEST_VM(utilities, json_two_pairs_of_strings) {
247  JSON_GTest::test("{ \"key1\" : \"val1\", \"key2\" : \"val2\" }", true);
248}
249
250TEST_VM(utilities, json_two_pairs_of_strings_comma) {
251  JSON_GTest::test("{ \"key1\" : \"val1\", \"key2\" : \"val2\", }", true);
252}
253
254TEST_VM(utilities, json_array_outside) {
255  JSON_GTest::test("{ \"key\" : \"val\" } [ \"error\" ]", false);
256}
257
258TEST_VM(utilities, json_incorrect_object_end) {
259  JSON_GTest::test("{ \"key\" : \"val\" ", false);
260}
261
262TEST_VM(utilities, json_empty_comment) {
263  JSON_GTest::test("/**/ { }", true);
264}
265
266TEST_VM(utilities, json_space_comment) {
267  JSON_GTest::test("/* */ { }", true);
268}
269
270TEST_VM(utilities, json_comment) {
271  JSON_GTest::test("/*foo*/ { }", true);
272}
273
274TEST_VM(utilities, json_star_comment) {
275  JSON_GTest::test("/* *foo */ { }", true);
276}
277
278TEST_VM(utilities, json_stars_comment) {
279  JSON_GTest::test("/* *foo* */ { }", true);
280}
281
282TEST_VM(utilities, json_special_comment) {
283  JSON_GTest::test("/* /*foo */ { }", true);
284}
285
286TEST_VM(utilities, json_comment_after) {
287  JSON_GTest::test("{ } /* foo */", true);
288}
289
290TEST_VM(utilities, json_comment_after_and_space) {
291  JSON_GTest::test("{ } /* foo */ ", true);
292}
293
294TEST_VM(utilities, json_one_line_empty_comment_after) {
295  JSON_GTest::test("{ } //", true);
296}
297
298TEST_VM(utilities, json_one_line_space_comment_after) {
299  JSON_GTest::test("{ } // ", true);
300}
301
302TEST_VM(utilities, json_one_line_comment_after) {
303  JSON_GTest::test("{ } // foo", true);
304}
305
306TEST_VM(utilities, json_incorrect_multiline_comment) {
307  JSON_GTest::test("/* * / { }", false);
308}
309
310TEST_VM(utilities, json_incorrect_multiline_comment_begin) {
311  JSON_GTest::test("/ * */ { }", false);
312}
313
314TEST_VM(utilities, json_oneline_comment_only) {
315  JSON_GTest::test("// { }", false);
316}
317
318TEST_VM(utilities, json_multiline_comment_only) {
319  JSON_GTest::test("/* { } */", false);
320}
321
322TEST_VM(utilities, json_multiline_comment_2) {
323  JSON_GTest::test("/* { } */ ", false);
324}
325
326TEST_VM(utilities, json_incorrectly_commented_object) {
327  JSON_GTest::test("/* { } ", false);
328}
329
330TEST_VM(utilities, json_missing_multiline_end) {
331  JSON_GTest::test("{ } /* ", false);
332}
333
334TEST_VM(utilities, json_missing_multiline_slash) {
335  JSON_GTest::test("/* { } *", false);
336}
337
338TEST_VM(utilities, json_commented_object_end) {
339  JSON_GTest::test("{ /* } */", false);
340}
341
342TEST_VM(utilities, json_commented_array_end) {
343  JSON_GTest::test("[ /* ] */", false);
344}
345
346TEST_VM(utilities, json_missing_object_end) {
347  JSON_GTest::test("{ key : \"val\", /* } */", false);
348}
349
350TEST_VM(utilities, json_missing_array_end) {
351  JSON_GTest::test("[ \"val\", /* ] */", false);
352}
353
354TEST_VM(utilities, json_key_values_1) {
355  JSON_GTest::test("/* comment */{ key1 : { \"key2\" : { \"key3\" : [ \"elem1\", \"elem2\","
356          "{ \"key4\" : null }, 3 , 2 , 1 , 0 , -1 , -2 , -3 , true, false, null, ] }, \"key5\""
357          " : true }, \"key6\" : [ \"���\" ], key7 : \"val\",}", true);
358}
359
360TEST_VM(utilities, json_key_values_2) {
361  JSON_GTest::test("/* comment */ { \"key1\" : { \"key2\" : { \"key3\" : [ \"elem1\", \"elem2\","
362          "{ \"key4\" : null }, 3 , 2 , 1 , 0 , -1 , -2 , -3 , true, false, null, ] }, \"key5\""
363          " : true }, \"key6\" : [ \"���\" ], key7 : \"val\",}", true);
364}
365
366TEST_VM(utilities, json_quoted_symbols) {
367  JSON_GTest::test("/*comment*/{\"ff1 fsd\":{\"���\":{\"���\":[\"���\",\"���\"]},"
368          "\"���\":true},\"���\":[\"���\"],\"foo\":\"���\",}", true);
369}
370
371TEST_VM(utilities, json_incorrect_key) {
372  JSON_GTest::test("/* comment */ { key1 error : { \"���\" : { \"���\" : [ \"���\","
373          " \"���\" ] }, \"���\" : true }, \"baz\" : [ \"���\" ], foo : \"���\",}",
374          false); // first key needs to be quoted since it contains a space
375}
376
377TEST_VM(utilities, json_array_with_newline) {
378  JSON_GTest::test("[\n]", true);
379}
380
381TEST_VM(utilities, json_directives_file) {
382  JSON_GTest::test(
383          "[" "\n"
384          "   {"
385          "         // pattern to match against class+method+signature" "\n"
386          "         // leading and trailing wildcard (*) allowed" "\n"
387          "         match: \"foo.bar.*\"," "\n"
388          " " "\n"
389          "         // override defaults for specified compiler" "\n"
390          "         // we may differentiate between levels too. TBD." "\n"
391          "         c1:  {" "\n"
392          "           //override c1 presets " "\n"
393          "           array_bounds_check_removal: false" "\n"
394          "         }," "\n"
395          "" "\n"
396          "         c2: {" "\n"
397          "           // control inlining of method" "\n"
398          "           // + force inline, - dont inline" "\n"
399          "           inline : [ \"+java.util.*\", \"-com.sun.*\"]," "\n"
400          "         }," "\n"
401          "" "\n"
402          "         // directives outside a specific preset applies to all compilers" "\n"
403          "         inline : [ \"+java.util.*\", \"-com.sun.*\"]," "\n"
404          "         print_assembly: true," "\n"
405          "         verify_oopmaps: true," "\n"
406          "         max_loop_unrolling: 5" "\n"
407          "   }," "\n"
408          "   {" "\n"
409          "         // matching several patterns require an array" "\n"
410          "         match: [\"baz.*\",\"frob*\"]," "\n"
411          "" "\n"
412          "         // only enable c1 for this directive" "\n"
413          "         // all enabled by default. Command disables all not listed" "\n"
414          "         enable: \"c1\"," "\n"
415          "" "\n"
416          "         // applies to all compilers" "\n"
417          "         // + force inline, - dont inline" "\n"
418          "         inline : [ \"+java.util.*\", \"-com.sun.*\"]," "\n"
419          "         print_inlining: true," "\n"
420          "" "\n"
421          "         // force matching compiles to be blocking/syncronous" "\n"
422          "         blocking_compile: true" "\n"
423          "   }," "\n"
424          "]" "\n", true);
425}
426
427void JSON_GTest::log(uint indent, const char* format, ...) {
428  if (prev != JSON_KEY) {
429    for (uint i = 0; i < indent; i++) {
430      _st->print("  ");
431    }
432  }
433  va_list args;
434  va_start(args, format);
435  _st->vprint(format, args);
436  va_end(args);
437}
438
439bool JSON_GTest::callback(JSON_TYPE t, JSON_VAL* v, uint rlevel) {
440  switch (t) {
441    case JSON_OBJECT_BEGIN:
442      log(rlevel, "{\n");
443      prev = JSON_NONE; // Only care about JSON_KEY, to indent correctly
444      return true;
445
446    case JSON_OBJECT_END:
447      log(rlevel, "},\n");
448      prev = JSON_NONE;
449      return true;
450
451    case JSON_ARRAY_BEGIN:
452      log(rlevel, "[\n");
453      prev = JSON_NONE;
454      return true;
455
456    case JSON_ARRAY_END:
457      log(rlevel, "],\n");
458      prev = JSON_NONE;
459      return true;
460
461    case JSON_KEY:
462      for (uint i = 0; i < rlevel; i++) {
463        _st->print("  ");
464      }
465      _st->print("<key>");
466      for (size_t i = 0; i < v->str.length; i++) {
467        u_char c = v->str.start[i];
468        if (c == 0) {
469          return false;
470        }
471        _st->print("%c", c);
472      }
473      _st->print(" : ");
474      prev = JSON_KEY;
475      return true;
476
477    case JSON_STRING:
478      if (prev != JSON_KEY) {
479        for (uint i = 0; i < rlevel; i++) {
480          _st->print("  ");
481        }
482      }
483      _st->print("<str>");
484      for (size_t i = 0; i < v->str.length; i++) {
485        u_char c = v->str.start[i];
486        if (c == 0) {
487          return false;
488        }
489        _st->print("%c", c);
490      }
491      _st->print(",\n");
492      prev = JSON_NONE;
493      return true;
494
495    case JSON_NUMBER_INT:
496      log(rlevel, "<int>%" PRId64 ",\n", v->int_value);
497      prev = JSON_NONE;
498      return true;
499
500    case JSON_NUMBER_FLOAT:
501      log(rlevel, "<double>%lf,\n", v->double_value);
502      prev = JSON_NONE;
503      return true;
504
505    case JSON_TRUE:
506      log(rlevel, "<true>,\n");
507      prev = JSON_NONE;
508      return true;
509
510    case JSON_FALSE:
511      log(rlevel, "<false>,\n");
512      prev = JSON_NONE;
513      return true;
514
515    case JSON_NULL:
516      log(rlevel, "<null>,\n");
517      prev = JSON_NONE;
518      return true;
519
520    default:
521      error(INTERNAL_ERROR, "unknown JSON type");
522      return false;
523  }
524}
525