| 1 | #include <containers/string.hfa> |
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| 2 | |
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| 3 | void assertWellFormedHandleList( int maxLen ) { // with(HeapArea) |
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| 4 | // HandleNode *n; |
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| 5 | // int limit1 = maxLen; |
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| 6 | // for ( n = Header.flink; (limit1-- > 0) && n != &Header; n = n->flink ) {} |
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| 7 | // assert (n == &Header); |
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| 8 | // int limit2 = maxLen; |
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| 9 | // for ( n = Header.blink; (limit2-- > 0) && n != &Header; n = n->blink ) {} |
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| 10 | // assert (n == &Header); |
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| 11 | // assert (limit1 == limit2); |
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| 12 | } |
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| 13 | |
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| 14 | // The given string is reachable. |
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| 15 | void assertOnHandleList( string & q ) { // with(HeapArea) |
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| 16 | // HandleNode *n; |
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| 17 | // for ( n = Header.flink; n != &Header; n = n->flink ) { |
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| 18 | // if ( n == & q.inner->Handle ) return; |
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| 19 | // } |
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| 20 | // assert( false ); |
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| 21 | } |
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| 22 | |
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| 23 | |
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| 24 | // Purpose: call each function in string.hfa, top to bottom |
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| 25 | |
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| 26 | int main () { |
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| 27 | string s = "hello"; |
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| 28 | string s2 = "hello"; |
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| 29 | string s3 = "world"; |
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| 30 | string frag = "ell"; |
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| 31 | |
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| 32 | // IO operator, x2 |
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| 33 | sout | s | s | s; |
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| 34 | |
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| 35 | // Comparisons |
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| 36 | // all print "true false" |
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| 37 | sout | (s == s2) | (s == s3); |
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| 38 | sout | (s != s3) | (s != s2); |
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| 39 | sout | (s == "hello") | (s == "world"); |
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| 40 | sout | (s != "world") | (s != "hello"); |
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| 41 | sout | ( frag == s(1,4) ) | ( s3 == s(1,4) ); |
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| 42 | sout | ( s3 != s(1,4) ) | ( frag != s(1,4) ); |
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| 43 | sout | ( s2(1,4) == s(1,4) ) | ( s3(1,4) == s(1,4) ); |
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| 44 | sout | ( s3(1,4) != s(1,4) ) | ( s2(1,4) != s(1,4) ); |
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| 45 | sout | ( s(1,4) == frag ) | ( s(1,4) == s3 ); |
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| 46 | sout | ( s(1,4) != s3 ) | ( s(1,4) != frag ); |
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| 47 | sout | ( s(1,4) == "ell" ) | ( s(1,4) == "world" ); |
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| 48 | sout | ( s(1,4) != "world" ) | ( s(1,4) != "ell" ); |
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| 49 | |
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| 50 | |
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| 51 | assertWellFormedHandleList( 10 ); |
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| 52 | // |
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| 53 | // breadth Constructors |
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| 54 | // |
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| 55 | { |
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| 56 | string b1 = { "1234567", 3 }; |
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| 57 | sout | b1; // 123 |
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| 58 | |
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| 59 | string b2 = s; |
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| 60 | sout | b2; // hello |
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| 61 | |
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| 62 | // todo: a plain string & |
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| 63 | const string & s_ref = s; |
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| 64 | string b3 = s_ref; |
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| 65 | sout | b3; // hello |
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| 66 | |
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| 67 | & s_ref = & s3; |
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| 68 | b3 = s_ref; |
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| 69 | sout | b3; // world |
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| 70 | |
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| 71 | const string & s_constref = s; |
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| 72 | string b4 = s_constref; |
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| 73 | sout | b4; // hello |
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| 74 | |
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| 75 | & s_constref = & s3; |
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| 76 | b4 = s_constref; |
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| 77 | sout | b4; // world |
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| 78 | } |
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| 79 | assertWellFormedHandleList( 10 ); |
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| 80 | |
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| 81 | sout | size(s); // 5 |
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| 82 | |
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| 83 | // |
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| 84 | // concatenation/append |
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| 85 | // |
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| 86 | |
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| 87 | string sx = s + s3; |
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| 88 | assertWellFormedHandleList( 10 ); |
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| 89 | sout | sx; // helloworld |
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| 90 | assertWellFormedHandleList( 10 ); |
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| 91 | sx = "xx"; |
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| 92 | assertWellFormedHandleList( 10 ); |
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| 93 | sx = s + s3; |
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| 94 | assertWellFormedHandleList( 10 ); |
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| 95 | sout | sx; // helloworld |
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| 96 | assertWellFormedHandleList( 10 ); |
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| 97 | |
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| 98 | sx += '!'; |
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| 99 | sout | sx; // helloworld! |
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| 100 | sx = s + '!'; |
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| 101 | sout | sx; // hello! |
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| 102 | |
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| 103 | sx = s; |
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| 104 | sx += s; |
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| 105 | sout | sx; // hellohello |
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| 106 | assertWellFormedHandleList( 10 ); |
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| 107 | sx += ", friend"; |
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| 108 | sout | sx; // hellohello, friend |
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| 109 | |
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| 110 | sx = s + ", friend"; |
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| 111 | sout | sx; // hello, friend |
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| 112 | |
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| 113 | sx = "bye, " + "friend"; |
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| 114 | sout | sx; // bye, friend |
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| 115 | |
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| 116 | // |
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| 117 | // repetition |
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| 118 | // |
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| 119 | sx = s * 3; |
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| 120 | sout | sx; // hellohellohello |
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| 121 | |
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| 122 | sx = 'Q' * (size_t)3; |
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| 123 | sout | sx; // QQQ |
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| 124 | |
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| 125 | sx = "asdf" * 3; |
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| 126 | sout | sx; // asdfasdfasdf |
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| 127 | |
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| 128 | // |
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| 129 | // slicing |
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| 130 | // |
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| 131 | |
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| 132 | //... |
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| 133 | |
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| 134 | // |
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| 135 | // character access |
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| 136 | // |
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| 137 | |
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| 138 | char c = s[1]; |
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| 139 | sout | c; // e |
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| 140 | |
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| 141 | s[3] = "p!!!"; |
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| 142 | sout | s; // help!!!o |
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| 143 | |
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| 144 | s[7] = '!'; |
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| 145 | sout | s; // help!!!! |
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| 146 | |
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| 147 | s[7] = ""; |
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| 148 | sout | s; // help!!! |
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| 149 | |
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| 150 | sout | s[3]; // p |
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| 151 | |
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| 152 | // |
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| 153 | // search |
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| 154 | // |
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| 155 | |
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| 156 | s += '?'; // already tested |
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| 157 | sout | contains( s, 'h' ) | contains( s, '?' ) | contains( s, 'o' ); // true true false |
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| 158 | |
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| 159 | sout |
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| 160 | | find( s, 'h' ) // 0 |
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| 161 | | find( s, '!' ) // 4 |
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| 162 | | find( s, '?' ) // 7 |
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| 163 | | find( s, 'o' ); // 8, not found |
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| 164 | |
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| 165 | string alphabet = "abcdefghijklmnopqrstuvwxyz"; |
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| 166 | |
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| 167 | sout |
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| 168 | | find( alphabet, "" ) // 0 |
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| 169 | | find( alphabet, "a" ) // 0 |
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| 170 | | find( alphabet, "z" ) // 25 |
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| 171 | | find( alphabet, "abc" ) // 0 |
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| 172 | | find( alphabet, "abq" ) // 26, not found |
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| 173 | | find( alphabet, "def"); // 3 |
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| 174 | |
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| 175 | sout |
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| 176 | | includes( alphabet, "" ) // true |
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| 177 | | includes( alphabet, "a" ) // true |
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| 178 | | includes( alphabet, "z" ) // true |
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| 179 | | includes( alphabet, "abc" ) // true |
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| 180 | | includes( alphabet, "abq" ) // false |
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| 181 | | includes( alphabet, "def"); // true |
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| 182 | |
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| 183 | { |
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| 184 | char *empty_c = ""; |
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| 185 | char *a_c = "a"; |
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| 186 | char *z_c = "z"; |
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| 187 | char *dex_c = "dex"; |
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| 188 | |
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| 189 | sout |
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| 190 | | find( alphabet, empty_c ) // 0 |
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| 191 | | find( alphabet, a_c ) // 0 |
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| 192 | | find( alphabet, dex_c ) // 26, not found |
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| 193 | | find( alphabet, dex_c, 2 ); // 3 |
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| 194 | |
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| 195 | sout |
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| 196 | | includes( alphabet, empty_c ) // true |
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| 197 | | includes( alphabet, a_c ) // true |
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| 198 | | includes( alphabet, dex_c ) // false |
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| 199 | | includes( alphabet, dex_c, 2 ); // true |
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| 200 | |
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| 201 | sout |
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| 202 | | startsWith( alphabet, a_c) // true |
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| 203 | | endsWith ( alphabet, a_c) // false |
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| 204 | | startsWith( alphabet, z_c) // false |
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| 205 | | endsWith ( alphabet, z_c); // true |
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| 206 | |
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| 207 | string empty = empty_c; |
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| 208 | string a = a_c; |
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| 209 | string z = z_c; |
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| 210 | string dex = dex_c; |
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| 211 | |
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| 212 | sout |
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| 213 | | find( alphabet, empty ) // 0 |
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| 214 | | find( alphabet, a ) // 0 |
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| 215 | | find( alphabet, dex ) // 26, not found |
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| 216 | | find( alphabet, dex(0,2) ); // 3 |
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| 217 | |
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| 218 | sout |
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| 219 | | includes( alphabet, empty ) // true |
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| 220 | | includes( alphabet, a ) // true |
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| 221 | | includes( alphabet, dex ) // false |
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| 222 | | includes( alphabet, dex(0,2) ); // true |
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| 223 | |
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| 224 | sout |
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| 225 | | startsWith( alphabet, a) // true |
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| 226 | | endsWith ( alphabet, a) // false |
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| 227 | | startsWith( alphabet, z) // false |
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| 228 | | endsWith ( alphabet, z); // true |
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| 229 | } |
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| 230 | |
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| 231 | sout |
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| 232 | | find( alphabet , "def") // 3 |
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| 233 | | find( alphabet( 0, 26), "def") // 3 |
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| 234 | | find( alphabet( 2, 26), "def") // 1 |
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| 235 | | find( alphabet( 3, 26), "def") // 0 |
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| 236 | | find( alphabet( 4, 26), "def") // 22, not found |
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| 237 | | find( alphabet( 4, 26), "ef") // 0 |
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| 238 | | find( alphabet( 0, 6), "def") // 3 |
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| 239 | | find( alphabet( 0, 5), "def") // 5, not found |
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| 240 | | find( alphabet( 0, 5), "de" ); // 3 |
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| 241 | |
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| 242 | sout |
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| 243 | | includes( alphabet , "def") // true |
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| 244 | | includes( alphabet( 0, 26), "def") // true |
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| 245 | | includes( alphabet( 2, 26), "def") // true |
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| 246 | | includes( alphabet( 3, 26), "def") // true |
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| 247 | | includes( alphabet( 4, 26), "def") // false |
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| 248 | | includes( alphabet( 4, 26), "ef") // true |
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| 249 | | includes( alphabet( 0, 6), "def") // true |
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| 250 | | includes( alphabet( 0, 5), "def") // false |
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| 251 | | includes( alphabet( 0, 5), "de" ); // true |
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| 252 | |
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| 253 | sout |
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| 254 | | startsWith( alphabet , "abc") // true |
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| 255 | | startsWith( alphabet( 0, 26), "abc") // true |
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| 256 | | startsWith( alphabet( 1, 26), "abc") // false |
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| 257 | | startsWith( alphabet( 1, 26), "bc") // true |
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| 258 | | startsWith( alphabet( 0, 26), "abc") // true |
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| 259 | | startsWith( alphabet( 0, 4), "abc") // true |
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| 260 | | startsWith( alphabet( 0, 3), "abc") // true |
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| 261 | | startsWith( alphabet( 0, 3), "ab" ) // true |
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| 262 | | startsWith( alphabet , "xyz"); // false |
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| 263 | |
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| 264 | sout |
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| 265 | | endsWith( alphabet , "xyz") // true |
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| 266 | | endsWith( alphabet , "xyzz") // false |
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| 267 | | endsWith( alphabet( 0, 26), "xyz") // true |
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| 268 | | endsWith( alphabet( 0, 25), "xyz") // false |
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| 269 | | endsWith( alphabet( 0, 25), "xy" ) // true |
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| 270 | | endsWith( alphabet( 0, 26), "xyz") // true |
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| 271 | | endsWith( alphabet(23, 26), "xyz") // true |
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| 272 | | endsWith( alphabet(24, 26), "xyz") // false |
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| 273 | | endsWith( alphabet(24, 26), "yz") // true |
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| 274 | | endsWith( alphabet , "abc"); // false |
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| 275 | |
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| 276 | charclass cc_cba = {"cba"}; |
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| 277 | charclass cc_onml = {"onml"}; |
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| 278 | charclass cc_alphabet = {alphabet}; |
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| 279 | |
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| 280 | // include (rest of the) numbers: tell me where the numbers stop |
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| 281 | // exclude (until) numbers: tell me where the numbers start (include rest of the non-numbers) |
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| 282 | |
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| 283 | sout |
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| 284 | | include( alphabet, cc_cba ) // 3 |
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| 285 | | exclude( alphabet, cc_cba ) // 0 |
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| 286 | | include( alphabet, cc_onml ) // 0 |
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| 287 | | exclude( alphabet, cc_onml ) // 11 |
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| 288 | | include( alphabet, cc_alphabet ) // 26 |
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| 289 | | exclude( alphabet, cc_alphabet ); // 0 |
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| 290 | } |
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| 291 | |
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