t017parser.html - Android社区 - https://www.androidos.net.cn/

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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<title>t017parser</title>

<!-- ANTLR includes -->
<script type="text/javascript" src="../../lib/antlr3-all.js"></script>
<script type="text/javascript" src="t017parserLexer.js"></script>
<script type="text/javascript" src="t017parserParser.js"></script>


<!-- JsUnit include -->
<script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script>

<!-- Test Code -->
<script type="text/javascript">
    TestParser = function() {
        TestParser.superclass.constructor.apply(this, arguments);
        this.reportedErrors = [];
    };
    org.antlr.lang.extend(TestParser, t017parserParser, {
        emitErrorMessage: function(msg) {
            this.reportedErrors.push(msg);
        }
    });

    function testValid() {
        var cstream = new org.antlr.runtime.ANTLRStringStream("int foo;"),
            lexer = new t017parserLexer(cstream),
            tstream = new org.antlr.runtime.CommonTokenStream(lexer),
            parser = new TestParser(tstream);

        parser.program();
        assertEquals(parser.reportedErrors.length, 0);
    }

    function testMalformedInput1() {
        var cstream = new org.antlr.runtime.ANTLRStringStream("int foo() { 1+2 }");
            lexer = new t017parserLexer(cstream),
            tstream = new org.antlr.runtime.CommonTokenStream(lexer),
            parser = new TestParser(tstream);

        parser.program();
        assertEquals(parser.reportedErrors.length, 1);
        assertEquals(parser.reportedErrors[0].indexOf("line 1:16"), 0);
    }

    function testMalformedInput2() {
        var cstream = new org.antlr.runtime.ANTLRStringStream("int foo() { 1+; 1+2 }"),
            lexer = new t017parserLexer(cstream),
            tstream = new org.antlr.runtime.CommonTokenStream(lexer),
            parser = new TestParser(tstream);

        parser.program();
        assertEquals(parser.reportedErrors.length, 2);
        assertEquals(parser.reportedErrors[0].indexOf("line 1:14"), 0);
        assertEquals(parser.reportedErrors[1].indexOf("line 1:20"), 0);
    }


</script>

</head>
<body>
    <h1>t017parser</h1>
</body>
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