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69 lines
1.6 KiB
JavaScript

(function(global) {
global.throws = function(block, exceptionType, exceptionProperties) {
var exception = null;
try {
block();
} catch (e) {
exception = e;
}
ok(
exception !== null,
exception !== null ? "okay: thrown something" : "failed, nothing thrown"
);
if (exception !== null) {
ok(
exception instanceof exceptionType,
exception instanceof exceptionType
? "okay: thrown " + exceptionType.name
: "failed, thrown " + exception.name + " instead of " + exceptionType.name
);
for (var property in exceptionProperties) {
strictEqual(exception[property], exceptionProperties[property]);
}
}
};
global.parses = function(parser, input, expected) {
deepEqual(parser.parse(input), expected);
};
global.doesNotParse = function(parser, input) {
throws(function() { parser.parse(input); }, parser.SyntaxError);
};
global.doesNotParseWithMessage = function(parser, input, message) {
throws(
function() { parser.parse(input); },
parser.SyntaxError,
{ message: message }
);
};
global.doesNotParseWithPos = function(parser, input, line, column) {
var exception = throws(
function() { parser.parse(input); },
parser.SyntaxError,
{
line: line,
column: column
}
);
};
global.parserParses = function(input, expected) {
global.parses(PEG.parser, input, expected);
};
global.parserDoesNotParse = function(input) {
global.doesNotParse(PEG.parser, input);
}
global.parserDoesNotParseWithMessage = function(input, message) {
global.doesNotParseWithMessage(PEG.parser, input, message);
}
})(this);