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Skip unknown opcode blocks while parsing
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parent
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commit
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3 changed files with 49 additions and 9 deletions
test/integration
37
test/integration/unknown-opcode.js
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37
test/integration/unknown-opcode.js
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@ -0,0 +1,37 @@
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const path = require('path');
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const test = require('tap').test;
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const makeTestStorage = require('../fixtures/make-test-storage');
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const readFileToBuffer = require('../fixtures/readProjectFile').readFileToBuffer;
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const VirtualMachine = require('../../src/index');
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const uri = path.resolve(__dirname, '../fixtures/unknown-opcode.sb2');
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const project = readFileToBuffer(uri);
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test('unknown opcode', t => {
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const vm = new VirtualMachine();
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vm.attachStorage(makeTestStorage());
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vm.start();
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vm.clear();
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vm.setCompatibilityMode(false);
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vm.setTurboMode(false);
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vm.loadProject(project).then(() => {
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vm.greenFlag();
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// The project has 3 blocks in a single stack:
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// play sound => "undefined" => play sound
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// the "undefined" block has opcode "0" and was found in the wild.
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// It should be parsed in without error and it should bridge together
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// the two play sound blocks, so there should not be a third block.
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const blocks = vm.runtime.targets[0].blocks;
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const topBlockId = blocks.getScripts()[0];
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const secondBlockId = blocks.getNextBlock(topBlockId);
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const thirdBlockId = blocks.getNextBlock(secondBlockId);
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t.equal(blocks.getBlock(topBlockId).opcode, 'sound_play');
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t.equal(blocks.getBlock(secondBlockId).opcode, 'sound_play');
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t.equal(thirdBlockId, null);
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t.end();
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process.nextTick(process.exit);
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});
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});
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