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64 lines
1.7 KiB
JavaScript

parses = function(parser, input, expected) {
deepEqual(parser.parse(input), expected);
};
parsesWithStartRule = function(parser, input, startRule, expected) {
deepEqual(parser.parse(input, startRule), expected);
};
doesNotParse = function(parser, input) {
raises(function() { parser.parse(input); }, parser.SyntaxError);
};
doesNotParseWithMessage = function(parser, input, message) {
raises(
function() { parser.parse(input); },
function(e) {
return e instanceof parser.SyntaxError && e.message === message;
}
);
};
doesNotParseWithDetails = function(parser, input, expected, found, message) {
raises(
function() { parser.parse(input); },
function(e) {
var i;
if (!(e instanceof parser.SyntaxError)) { return false; }
if (e.expected.length !== expected.length) { return false; }
for (i = 0; i < e.expected.length; i++) {
if (e.expected[i] !== expected[i]) { return false; }
}
if (e.found !== found) { return false; }
if (e.message !== message) { return false; }
return true;
}
);
};
doesNotParseWithPos = function(parser, input, offset, line, column) {
raises(
function() { parser.parse(input); },
function(e) {
return e instanceof parser.SyntaxError
&& e.offset === offset
&& e.line === line
&& e.column === column;
}
);
};
parserParses = function(input, expected) {
parses(PEG.parser, input, expected);
};
parserDoesNotParse = function(input) {
doesNotParse(PEG.parser, input);
};
parserDoesNotParseWithMessage = function(input, message) {
doesNotParseWithMessage(PEG.parser, input, message);
};