test/filter-tests.js

// Copyright (c) 2012-2016, Matt Godbolt
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions are met:
// 
//     * Redistributions of source code must retain the above copyright notice, 
//       this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright 
//       notice, this list of conditions and the following disclaimer in the 
//       documentation and/or other materials provided with the distribution.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ,
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
// POSSIBILITY OF SUCH DAMAGE.

var fs = require('fs'), assert = require('assert');
var asm = require('../lib/asm');
var asmCl = require('../lib/asm-cl');
var should = require('chai').should();

function processAsm(filename, filters) {
    var file = fs.readFileSync(filename, 'utf-8');
    var parser;
    if (file.indexOf('Microsoft') >= 0)
        parser = new asmCl.AsmParser();
    else
        parser = new asm.AsmParser();
    return parser.process(file, filters);
}

var cases = fs.readdirSync(__dirname + '/cases')
    .filter(function (x) {
        return x.match(/\.asm$/)
    })
    .map(function (x) {
        return __dirname + '/cases/' + x;
    });

function bless(filename, output, filters) {
    var result = processAsm(__dirname + '/' + filename, filters);
    fs.writeFileSync(__dirname + '/' + output, JSON.stringify(result, null, 2));
}

function dump(file) {
    for (var i = 0; i < file.length; ++i) {
        console.log((i + 1) + " : " + JSON.stringify(file[i]));
    }
}

function testFilter(filename, suffix, filters) {
    var result = processAsm(filename, filters);
    var expected = filename + suffix;
    var json = false;
    var file;
    try {
        file = fs.readFileSync(expected + '.json', 'utf-8');
        json = true;
    } catch (e) {
    }
    if (!file) {
        try {
            file = fs.readFileSync(expected, 'utf-8');
        } catch (e) {
            return;
        }
    }
    it(filename, function () {
        if (json) {
            file = JSON.parse(file);
        } else {
            file = file.split(/\r?\n/);
        }
        if (json) {
            result.should.deep.equal(file);
        } else {
            result.length.should.equal(file.length);
            var count = Math.min(file.length, result.length);
            for (var i = 0; i < count; ++i) {
                result[i].text.should.deep.equal(file[i]);
            }
        }
    });
}
// bless("cases/mips5-square.asm", "cases/mips5-square.asm.directives.labels.comments.json", {directives: true, labels: true, commentOnly: true});
// bless("cases/gcc-sum.asm", "cases/gcc-sum.asm.directives.labels.comments.json", {directives: true, labels: true, commentOnly: true});
// bless("cases/gcc-arm-sum.asm", "cases/gcc-arm-sum.asm.directives.labels.comments.json", {directives: true, labels: true, commentOnly: true});
// bless("cases/gcc-avr-sum.asm", "cases/gcc-avr-sum.asm.directives.labels.comments.json", {directives: true, labels: true, commentOnly: true});
// bless("cases/cl-regex.asm", "cases/cl-regex.asm.directives.labels.comments.json", {directives: true, labels: true, commentOnly: true});
// bless("cases/cl-regex.asm", "cases/cl-regex.asm.dlcb.json", {directives: true, labels: true, commentOnly: true, binary:true});
// bless("cases/cl-maxarray.asm", "cases/cl-maxarray.asm.dlcb.json", {directives: true, labels: true, commentOnly: true, binary:true});
// bless("cases/cl64-sum.asm", "cases/cl64-sum.asm.dlcb.json", {directives: true, labels: true, commentOnly: true, binary:true});
// bless("cases/avr-loop.asm", "cases/avr-loop.asm.directives.labels.comments.json", {directives: true, labels: true, commentOnly: true});
// bless("cases/bug-192.asm", "cases/bug-192.asm.directives.labels.comments.json", {directives: true, labels: true, commentOnly: true});
// bless("cases/arm-moose.asm", "cases/arm-moose.asm.directives.labels.comments.json", {directives: true, labels: true, commentOnly: true});
// bless("cases/arm-moose.asm", "cases/arm-moose.asm.dlcb.json", {directives: true, labels: true, commentOnly: true, binary: true});
// describe('A test', function() {
//     it('should work', function(){
//         console.log(processAsm(__dirname + '/cases/mips5-square.asm', {directives: true, labels: true, commentOnly: true}));
//     });
// });

describe('Filter test cases', function () {
    describe('Directive filters', function () {
        cases.forEach(function (x) {
            testFilter(x, ".directives", {directives: true})
        });
    });
    describe('Directives and labels together', function () {
        cases.forEach(function (x) {
            testFilter(x, ".directives.labels",
                {directives: true, labels: true})
        });
    });
    describe('Directives, labels and comments', function () {
        cases.forEach(function (x) {
            testFilter(x, ".directives.labels.comments",
                {directives: true, labels: true, commentOnly: true})
        });
    });
    describe('Directives, labels, comments and binary mode', function () {
        cases.forEach(function (x) {
            testFilter(x, ".dlcb",
                {directives: true, labels: true, commentOnly: true, binary: true})
        });
    });
});