mirror of
https://github.com/scratchfoundation/scratch-vm.git
synced 2024-12-24 23:12:24 -05:00
356 lines
14 KiB
JavaScript
356 lines
14 KiB
JavaScript
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 Thread = require('../../src/engine/thread');
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const Runtime = require('../../src/engine/runtime');
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const execute = require('../../src/engine/execute.js');
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const projectUri = path.resolve(__dirname, '../fixtures/timer-greater-than-hat.sb2');
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const project = readFileToBuffer(projectUri);
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const checkIsHatThread = (t, vm, hatThread) => {
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t.equal(hatThread.stackClick, false);
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t.equal(hatThread.updateMonitor, false);
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const blockContainer = hatThread.target.blocks;
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const opcode = blockContainer.getOpcode(blockContainer.getBlock(hatThread.topBlock));
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t.assert(vm.runtime.getIsEdgeActivatedHat(opcode));
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};
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const checkIsStackClickThread = (t, vm, stackClickThread) => {
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t.equal(stackClickThread.stackClick, true);
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t.equal(stackClickThread.updateMonitor, false);
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};
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/**
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* timer-greater-than-hat.sb2 contains a single stack
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* when timer > -1
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* change color effect by 25
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* The intention is to make sure that the hat block condition is evaluated
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* on each frame.
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*/
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test('edge activated hat thread runs once every frame', t => {
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const vm = new VirtualMachine();
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vm.attachStorage(makeTestStorage());
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// Start VM, load project, and run
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t.doesNotThrow(() => {
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// Note: don't run vm.start(), we handle calling _step() manually in this test
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vm.runtime.currentStepTime = Runtime.THREAD_STEP_INTERVAL;
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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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t.equal(vm.runtime.threads.length, 0);
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vm.runtime._step();
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let threads = vm.runtime._lastStepDoneThreads;
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t.equal(vm.runtime.threads.length, 0);
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t.equal(threads.length, 1);
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checkIsHatThread(t, vm, threads[0]);
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t.assert(threads[0].status === Thread.STATUS_DONE);
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// Check that the hat thread is added again when another step is taken
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vm.runtime._step();
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threads = vm.runtime._lastStepDoneThreads;
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t.equal(vm.runtime.threads.length, 0);
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t.equal(threads.length, 1);
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checkIsHatThread(t, vm, threads[0]);
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t.assert(threads[0].status === Thread.STATUS_DONE);
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t.end();
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});
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});
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});
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/**
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* When a hat is added it should run in the next frame. Any block related
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* caching should be reset.
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*/
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test('edge activated hat thread runs after being added to previously executed target', t => {
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const vm = new VirtualMachine();
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vm.attachStorage(makeTestStorage());
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// Start VM, load project, and run
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t.doesNotThrow(() => {
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// Note: don't run vm.start(), we handle calling _step() manually in this test
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vm.runtime.currentStepTime = Runtime.THREAD_STEP_INTERVAL;
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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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t.equal(vm.runtime.threads.length, 0);
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vm.runtime._step();
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let threads = vm.runtime._lastStepDoneThreads;
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t.equal(vm.runtime.threads.length, 0);
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t.equal(threads.length, 1);
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checkIsHatThread(t, vm, threads[0]);
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t.assert(threads[0].status === Thread.STATUS_DONE);
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// Add a second hat that should create a second thread
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const hatBlock = threads[0].target.blocks.getBlock(threads[0].topBlock);
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threads[0].target.blocks.createBlock(Object.assign(
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{}, hatBlock, {id: 'hatblock2', next: null}
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));
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// Check that the hat thread is added again when another step is taken
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vm.runtime._step();
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threads = vm.runtime._lastStepDoneThreads;
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t.equal(vm.runtime.threads.length, 0);
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t.equal(threads.length, 2);
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checkIsHatThread(t, vm, threads[0]);
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checkIsHatThread(t, vm, threads[1]);
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t.assert(threads[0].status === Thread.STATUS_DONE);
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t.assert(threads[1].status === Thread.STATUS_DONE);
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t.end();
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});
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});
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});
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/**
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* If the hat doesn't finish evaluating within one frame, it shouldn't be added again
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* on the next frame. (We skip execution by setting the step time to 0)
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*/
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test('edge activated hat thread not added twice', t => {
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const vm = new VirtualMachine();
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vm.attachStorage(makeTestStorage());
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// Start VM, load project, and run
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t.doesNotThrow(() => {
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// Note: don't run vm.start(), we handle calling _step() manually in this test
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vm.runtime.currentStepTime = 0;
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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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t.equal(vm.runtime.threads.length, 0);
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vm.runtime._step();
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let doneThreads = vm.runtime._lastStepDoneThreads;
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t.equal(vm.runtime.threads.length, 1);
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t.equal(doneThreads.length, 0);
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const prevThread = vm.runtime.threads[0];
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checkIsHatThread(t, vm, vm.runtime.threads[0]);
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t.assert(vm.runtime.threads[0].status === Thread.STATUS_RUNNING);
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// Check that no new threads are added when another step is taken
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vm.runtime._step();
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doneThreads = vm.runtime._lastStepDoneThreads;
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// There should now be one done hat thread and one new hat thread to run
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t.equal(vm.runtime.threads.length, 1);
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t.equal(doneThreads.length, 0);
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checkIsHatThread(t, vm, vm.runtime.threads[0]);
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t.assert(vm.runtime.threads[0] === prevThread);
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t.end();
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});
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});
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});
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/**
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* Duplicating a sprite should also track duplicated edge activated hat in
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* runtime's _edgeActivatedHatValues map.
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*/
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test('edge activated hat should trigger for both sprites when sprite is duplicated', t => {
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// Project that is similar to timer-greater-than-hat.sb2, but has code on the sprite so that
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// the sprite can be duplicated
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const projectWithSpriteUri = path.resolve(__dirname, '../fixtures/edge-triggered-hat.sb3');
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const projectWithSprite = readFileToBuffer(projectWithSpriteUri);
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const vm = new VirtualMachine();
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vm.attachStorage(makeTestStorage());
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// Start VM, load project, and run
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t.doesNotThrow(() => {
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// Note: don't run vm.start(), we handle calling _step() manually in this test
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vm.runtime.currentStepTime = 0;
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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(projectWithSprite).then(() => {
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t.equal(vm.runtime.threads.length, 0);
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vm.runtime._step();
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t.equal(vm.runtime.threads.length, 1);
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checkIsHatThread(t, vm, vm.runtime.threads[0]);
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t.assert(vm.runtime.threads[0].status === Thread.STATUS_RUNNING);
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let numTargetEdgeHats = vm.runtime.targets.reduce((val, target) =>
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val + Object.keys(target._edgeActivatedHatValues).length, 0);
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t.equal(numTargetEdgeHats, 1);
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vm.duplicateSprite(vm.runtime.targets[1].id).then(() => {
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vm.runtime._step();
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// Check that the runtime's _edgeActivatedHatValues object has two separate keys
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// after execute is run on each thread
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numTargetEdgeHats = vm.runtime.targets.reduce((val, target) =>
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val + Object.keys(target._edgeActivatedHatValues).length, 0);
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t.equal(numTargetEdgeHats, 2);
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t.end();
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});
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});
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});
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});
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/**
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* Cloning a sprite should also track cloned edge activated hat separately
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* runtime's _edgeActivatedHatValues map.
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*/
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test('edge activated hat should trigger for both sprites when sprite is cloned', t => {
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// Project that is similar to loudness-hat-block.sb2, but has code on the sprite so that
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// the sprite can be duplicated
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const projectWithSpriteUri = path.resolve(__dirname, '../fixtures/edge-triggered-hat.sb3');
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const projectWithSprite = readFileToBuffer(projectWithSpriteUri);
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const vm = new VirtualMachine();
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vm.attachStorage(makeTestStorage());
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// Start VM, load project, and run
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t.doesNotThrow(() => {
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// Note: don't run vm.start(), we handle calling _step() manually in this test
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vm.runtime.currentStepTime = 0;
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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(projectWithSprite).then(() => {
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t.equal(vm.runtime.threads.length, 0);
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vm.runtime._step();
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t.equal(vm.runtime.threads.length, 1);
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checkIsHatThread(t, vm, vm.runtime.threads[0]);
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t.assert(vm.runtime.threads[0].status === Thread.STATUS_RUNNING);
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// Run execute on the thread to populate the runtime's
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// _edgeActivatedHatValues object
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execute(vm.runtime.sequencer, vm.runtime.threads[0]);
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let numTargetEdgeHats = vm.runtime.targets.reduce((val, target) =>
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val + Object.keys(target._edgeActivatedHatValues).length, 0);
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t.equal(numTargetEdgeHats, 1);
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const cloneTarget = vm.runtime.targets[1].makeClone();
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vm.runtime.addTarget(cloneTarget);
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vm.runtime._step();
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// Check that the runtime's _edgeActivatedHatValues object has two separate keys
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// after execute is run on each thread
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vm.runtime.threads.forEach(thread => execute(vm.runtime.sequencer, thread));
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numTargetEdgeHats = vm.runtime.targets.reduce((val, target) =>
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val + Object.keys(target._edgeActivatedHatValues).length, 0);
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t.equal(numTargetEdgeHats, 2);
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t.end();
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});
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});
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});
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/**
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* When adding a stack click thread first, make sure that the edge activated hat thread and
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* the stack click thread are both pushed and run (despite having the same top block)
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*/
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test('edge activated hat thread does not interrupt stack click thread', t => {
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const vm = new VirtualMachine();
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vm.attachStorage(makeTestStorage());
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// Start VM, load project, and run
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t.doesNotThrow(() => {
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// Note: don't run vm.start(), we handle calling _step() manually in this test
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vm.runtime.currentStepTime = Runtime.THREAD_STEP_INTERVAL;
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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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t.equal(vm.runtime.threads.length, 0);
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vm.runtime._step();
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let doneThreads = vm.runtime._lastStepDoneThreads;
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t.equal(vm.runtime.threads.length, 0);
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t.equal(doneThreads.length, 1);
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checkIsHatThread(t, vm, doneThreads[0]);
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t.assert(doneThreads[0].status === Thread.STATUS_DONE);
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// Add stack click thread on this hat
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vm.runtime.toggleScript(doneThreads[0].topBlock, {stackClick: true});
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// Check that the hat thread is added again when another step is taken
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vm.runtime._step();
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doneThreads = vm.runtime._lastStepDoneThreads;
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t.equal(vm.runtime.threads.length, 0);
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t.equal(doneThreads.length, 2);
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let hatThread;
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let stackClickThread;
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if (doneThreads[0].stackClick) {
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stackClickThread = doneThreads[0];
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hatThread = doneThreads[1];
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} else {
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stackClickThread = doneThreads[1];
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hatThread = doneThreads[0];
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}
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checkIsHatThread(t, vm, hatThread);
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checkIsStackClickThread(t, vm, stackClickThread);
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t.assert(doneThreads[0].status === Thread.STATUS_DONE);
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t.assert(doneThreads[1].status === Thread.STATUS_DONE);
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t.end();
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});
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});
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});
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/**
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* When adding the hat thread first, make sure that the edge activated hat thread and
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* the stack click thread are both pushed and run (despite having the same top block)
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*/
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test('edge activated hat thread does not interrupt stack click thread', t => {
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const vm = new VirtualMachine();
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vm.attachStorage(makeTestStorage());
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// Start VM, load project, and run
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t.doesNotThrow(() => {
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// Note: don't run vm.start(), we handle calling _step() manually in this test
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vm.runtime.currentStepTime = 0;
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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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t.equal(vm.runtime.threads.length, 0);
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vm.runtime._step();
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let doneThreads = vm.runtime._lastStepDoneThreads;
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t.equal(vm.runtime.threads.length, 1);
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t.equal(doneThreads.length, 0);
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checkIsHatThread(t, vm, vm.runtime.threads[0]);
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t.assert(vm.runtime.threads[0].status === Thread.STATUS_RUNNING);
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vm.runtime.currentStepTime = Runtime.THREAD_STEP_INTERVAL;
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// Add stack click thread on this hat
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vm.runtime.toggleScript(vm.runtime.threads[0].topBlock, {stackClick: true});
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// Check that the hat thread is added again when another step is taken
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vm.runtime._step();
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doneThreads = vm.runtime._lastStepDoneThreads;
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t.equal(vm.runtime.threads.length, 0);
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t.equal(doneThreads.length, 2);
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let hatThread;
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let stackClickThread;
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if (doneThreads[0].stackClick) {
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stackClickThread = doneThreads[0];
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hatThread = doneThreads[1];
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} else {
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stackClickThread = doneThreads[1];
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hatThread = doneThreads[0];
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}
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checkIsHatThread(t, vm, hatThread);
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checkIsStackClickThread(t, vm, stackClickThread);
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t.assert(doneThreads[0].status === Thread.STATUS_DONE);
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t.assert(doneThreads[1].status === Thread.STATUS_DONE);
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t.end();
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});
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});
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});
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