126 lines
2.3 KiB
JavaScript
126 lines
2.3 KiB
JavaScript
'use strict';
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const expect = require('chai').expect;
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const lib = require('../lib/index.js');
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describe('wasm basic', () => {
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it('typeof vcd', done => {
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expect(lib.wasmparser).to.be.an('function');
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done();
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});
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it('typeof vcd instance', done => {
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expect(lib.wasmparser()).to.be.an('promise');
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done();
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});
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it('fail: foo bar', async () => {
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const inst = await lib.wasmparser();
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expect(inst.write(Buffer.from(' foo bar ???'))).to.eq(true);
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expect(inst.info).to.deep.eq({
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stack: [{}],
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status: 'declaration',
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wires: {}
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});
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});
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it('$comment', async () => {
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const inst = await lib.wasmparser();
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expect(inst.write(Buffer.from(
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' \n $comment some text $end $comment more text $end ???'
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))).to.eq(true);
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expect(inst.info).to.deep.eq({
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comment: ' more text ',
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stack: [{}],
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status: 'declaration',
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wires: {}
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});
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});
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it('$version', async () => {
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const inst = await lib.wasmparser();
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expect(inst.write(`
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$version Generated by VerilatedVcd $end
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$date Wed Sep 18 22:59:07 2019
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$end
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$timescale 1ns $end
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$scope module top $end
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$var wire 1 "}G clock $end
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$scope module leaf $end
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$var wire 64 {u counter [63:0] $end
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$upscope $end
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$scope module fruit $end
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$var wire 4 u) point [3:0] $end
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$upscope $end
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$upscope $end
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$enddefinitions $end
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`
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)).to.eq(true);
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expect(inst.write(`
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#1
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0"}G
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#2
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1"}G
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#300
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0"}G
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b1111000000000000 {u
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#301
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b0000111100000000 {u
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#302
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b0000000011110000 {u
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#303
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b0000000000001111 {u
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`
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)).to.eq(true);
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expect(inst.info).to.deep.eq({
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status: 'simulation',
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date: ' Wed Sep 18 22:59:07 2019\n ',
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version: ' Generated by VerilatedVcd ',
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timescale: ' 1ns ',
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varId: 'u)',
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wires: {
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top: {
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clock: '"}G',
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fruit: {
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point: 'u)'
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},
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leaf: {
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counter: '{u'
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}
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}
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},
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stack: [{
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top: {
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clock: '"}G',
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fruit: {
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point: 'u)'
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},
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leaf: {
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counter: '{u'
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}
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}
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},
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{
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clock: '"}G',
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fruit: {
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point: 'u)'
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},
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leaf: {
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counter: '{u'
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}
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},
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{
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point: 'u)'
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}]
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});
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});
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});
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/* eslint-env mocha */
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