1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/********************* -*- C++ -*- */
/** cvc_parser_black.h
** Original author: cconway
** Major contributors: none
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.
**
** Black box testing of CVC4::parser::CvcParser.
**/
#include <cxxtest/TestSuite.h>
//#include <string>
#include <sstream>
#include "expr/expr.h"
#include "expr/expr_manager.h"
#include "parser/cvc/cvc_parser.h"
using namespace CVC4;
using namespace CVC4::parser;
using namespace std;
const string goodInputs[] = {
"", // empty string is OK
"ASSERT TRUE;",
"QUERY TRUE;",
"CHECKSAT FALSE;",
"a, b : BOOLEAN;",
"x, y : INT;",
"a, b : BOOLEAN; QUERY (a => b) AND a => b;",
"%% nothing but a comment",
"% a comment\nASSERT TRUE %a command\n% another comment"
};
/* The following expressions are good in a context where a, b, and c have been declared as BOOLEAN. */
const string goodBooleanExprs[] = {
"a AND b",
"a AND b OR c",
"(a => b) AND a => b",
"(a <=> b) AND (NOT a)",
"(a XOR b) <=> (a OR b) AND (NOT (a AND b))"
};
const string badInputs[] = {
";", // no command
"ASSERT;", // no args
"QUERY",
"CHECKSAT;",
"a, b : boolean;", // lowercase boolean isn't a type
"0x : INT;", // 0x isn't an identifier
"a, b : BOOLEAN\nQUERY (a => b) AND a => b;" // no semicolon after decl
};
/* The following expressions are bad even in a context where a, b, and c have been declared as BOOLEAN. */
const string badBooleanExprs[] = {
"",
"a AND", // wrong arity
"AND(a,b)", // not infix
"(OR (AND a b) c)", // not infix
"a IMPLIES b", // should be =>
"a NOT b", // wrong arity, not infix
"a and b" // wrong case
};
class CvcParserBlack : public CxxTest::TestSuite {
private:
ExprManager *d_exprManager;
public:
void setUp() {
d_exprManager = new ExprManager();
}
void testGoodInputs() {
// cout << "In testGoodInputs()\n";
for(int i = 0; i < sizeof(goodInputs); ++i) {
istringstream stream(goodInputs[i]);
CvcParser cvcParser(d_exprManager, stream);
TS_ASSERT( !cvcParser.done() );
while(!cvcParser.done()) {
TS_ASSERT( cvcParser.parseNextCommand() != NULL );
}
}
}
void testBadInputs() {
// cout << "In testGoodInputs()\n";
for(int i = 0; i < sizeof(badInputs); ++i) {
istringstream stream(badInputs[i]);
CvcParser cvcParser(d_exprManager, stream);
TS_ASSERT_THROWS( cvcParser.parseNextCommand(), ParserException );
}
}
void testGoodBooleanExprs() {
// cout << "In testGoodInputs()\n";
for(int i = 0; i < sizeof(goodBooleanExprs); ++i) {
istringstream stream(goodBooleanExprs[i]);
CvcParser cvcParser(d_exprManager, stream);
TS_ASSERT( !cvcParser.done() );
while(!cvcParser.done()) {
TS_ASSERT( !cvcParser.parseNextExpression().isNull() );
}
}
}
void testBadBooleanExprs() {
// cout << "In testGoodInputs()\n";
for(int i = 0; i < sizeof(badBooleanExprs); ++i) {
istringstream stream(badBooleanExprs[i]);
CvcParser cvcParser(d_exprManager, stream);
TS_ASSERT_THROWS( cvcParser.parseNextExpression(), ParserException );
}
}
};
|
