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import * as assert from 'assert';
import { LLParse } from '../src/api';
import { build, NUM_SELECT, printMatch, printOff } from './fixtures';
describe('llparse/code', () => {
let p: LLParse;
beforeEach(() => {
p = new LLParse();
});
describe('`.mulAdd()`', () => {
it('should operate normally', async () => {
const start = p.node('start');
const dot = p.node('dot');
p.property('i64', 'counter');
const is1337 = p.invoke(p.code.load('counter'), {
1337: printOff(p, p.invoke(p.code.update('counter', 0), start)),
}, p.error(1, 'Invalid result'));
const count = p.invoke(p.code.mulAdd('counter', { base: 10 }), start);
start
.select(NUM_SELECT, count)
.otherwise(dot);
dot
.match('.', is1337)
.otherwise(p.error(1, 'Unexpected'));
const binary = await build(p, start, 'mul-add');
await binary.check('1337.', 'off=5\n');
});
it('should operate fail on overflow', async () => {
const start = p.node('start');
p.property('i8', 'counter');
const count = p.invoke(p.code.mulAdd('counter', { base: 10 }), {
1: printOff(p, start),
}, start);
start
.select(NUM_SELECT, count)
.otherwise(p.error(1, 'Unexpected'));
const binary = await build(p, start, 'mul-add-overflow');
await binary.check('1111', 'off=4\n');
});
it('should operate fail on greater than max', async () => {
const start = p.node('start');
p.property('i64', 'counter');
const count = p.invoke(p.code.mulAdd('counter', {
base: 10,
max: 1000,
}), {
1: printOff(p, start),
}, start);
start
.select(NUM_SELECT, count)
.otherwise(p.error(1, 'Unexpected'));
const binary = await build(p, start, 'mul-add-max-overflow');
await binary.check('1111', 'off=4\n');
});
});
describe('`.update()`', () => {
it('should operate normally', async () => {
const start = p.node('start');
p.property('i64', 'counter');
const update = p.invoke(p.code.update('counter', 42));
start
.skipTo(update);
update
.otherwise(p.invoke(p.code.load('counter'), {
42: printOff(p, start),
}, p.error(1, 'Unexpected')));
const binary = await build(p, start, 'update');
await binary.check('.', 'off=1\n');
});
});
describe('`.isEqual()`', () => {
it('should operate normally', async () => {
const start = p.node('start');
p.property('i64', 'counter');
const check = p.invoke(p.code.isEqual('counter', 1), {
0: printOff(p, start),
1: start,
}, p.error(1, 'Unexpected'));
start
.select(NUM_SELECT, p.invoke(p.code.store('counter'), check))
.otherwise(p.error(1, 'Unexpected'));
const binary = await build(p, start, 'is-equal');
await binary.check('010', 'off=1\noff=3\n');
});
});
describe('`.or()`/`.and()`/`.test()`', () => {
it('should set and retrieve bits', async () => {
const start = p.node('start');
const test = p.node('test');
p.property('i64', 'flag');
start
.match('1', p.invoke(p.code.or('flag', 1), start))
.match('2', p.invoke(p.code.or('flag', 2), start))
.match('4', p.invoke(p.code.or('flag', 4), start))
// Reset
.match('r', p.invoke(p.code.update('flag', 0), start))
// Partial Reset
.match('p', p.invoke(p.code.and('flag', ~1), start))
// Test
.match('-', test)
.otherwise(p.error(1, 'start'));
test
.match('1', p.invoke(p.code.test('flag', 1), {
0: test,
1: printOff(p, test),
}, p.error(2, 'test-1')))
.match('2', p.invoke(p.code.test('flag', 2), {
0: test,
1: printOff(p, test),
}, p.error(3, 'test-2')))
.match('4', p.invoke(p.code.test('flag', 4), {
0: test,
1: printOff(p, test),
}, p.error(4, 'test-3')))
.match('7', p.invoke(p.code.test('flag', 7), {
0: test,
1: printOff(p, test),
}, p.error(5, 'test-7')))
// Restart
.match('.', start)
.otherwise(p.error(6, 'test'));
const binary = await build(p, start, 'or-test');
await binary.check('1-124.2-1247.4-1247.r4-124.r12p-12', [
'off=3',
'off=9', 'off=10',
'off=16', 'off=17', 'off=18', 'off=19',
'off=26',
'off=34',
]);
});
});
});
|
