wibble 1.1
parse.test.h
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1// -*- C++ -*-
2
3#include <wibble/parse.h>
4#include <wibble/test.h>
5
6using namespace wibble;
7
8
9struct TestParse {
12
13 struct IOStream {
14 std::istream &i;
15
16 std::string remove() {
17 char block[1024];
18 i.read( block, 1023 );
19 block[i.gcount()] = 0;
20 return block;
21 }
22
23 bool eof() {
24 return i.eof();
25 }
26
27 IOStream( std::istream &i ) : i( i ) {}
28 };
29
30 struct Lexer : wibble::Lexer< Token, IOStream >
31 {
33 this->skipWhitespace();
34 this->match( isdigit, isdigit, Number );
35 return this->decide();
36 }
37
39 : wibble::Lexer< Token, IOStream >( s )
40 {}
41 };
42
44 std::stringstream s;
45 IOStream is( s );
46 Token t;
47 Lexer l( is );
48
49 s << "1 2";
50
51 t = l.remove();
52 assert_eq( t.id, Number );
53 assert_eq( t.data, "1" );
54
55 t = l.remove();
56 assert_eq( t.id, Number );
57 assert_eq( t.data, "2" );
58
59 t = l.remove();
60 assert_eq( t.id, Invalid );
61 }
62};
Definition amorph.h:17
Definition parse.test.h:13
std::string remove()
Definition parse.test.h:16
bool eof()
Definition parse.test.h:23
std::istream & i
Definition parse.test.h:14
IOStream(std::istream &i)
Definition parse.test.h:27
Definition parse.test.h:31
Lexer(IOStream &s)
Definition parse.test.h:38
Token remove()
Definition parse.test.h:32
Definition parse.test.h:9
Test lexer()
Definition parse.test.h:43
TokenId
Definition parse.test.h:10
@ Number
Definition parse.test.h:10
@ Invalid
Definition parse.test.h:10
wibble::Token< TokenId > Token
Definition parse.test.h:11
Definition parse.h:65
void skipWhitespace()
Definition parse.h:185
bool match(I begin, I end)
Definition parse.h:128
Token decide()
Definition parse.h:190
Definition amorph.h:30
#define assert_eq(x, y)
Definition test.h:33