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@@ -1,519 +0,0 @@
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-package ds.channels;
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-
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-import haxe.coro.context.Context;
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-import haxe.coro.IContinuation;
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-import haxe.Exception;
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-import haxe.exceptions.CancellationException;
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-import haxe.exceptions.NotImplementedException;
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-import hxcoro.ds.channels.bounded.BoundedWriter;
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-import hxcoro.ds.Out;
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-import hxcoro.ds.CircularBuffer;
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-import hxcoro.ds.PagedDeque;
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-import hxcoro.exceptions.ChannelClosedException;
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-import haxe.coro.schedulers.VirtualTimeScheduler;
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-
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-using hxcoro.util.Convenience;
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-
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-private class TestContinuation<T> implements IContinuation<Bool> {
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- final expected : Array<T>;
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- final mapper : Bool->T;
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-
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- public var context (get, never) : Context;
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-
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- function get_context():Context {
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- return Context.create(new ImmediateScheduler());
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- }
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-
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- public function new(expected : Array<T>, mapper : Bool->T) {
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- this.expected = expected;
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- this.mapper = mapper;
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- }
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-
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- public function resume(result:Bool, _:Exception) {
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- expected.push(mapper(result));
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- }
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-}
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-
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-class TestBoundedWriter extends utest.Test {
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- function test_try_write_has_space() {
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- final buffer = new CircularBuffer(1);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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-
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- Assert.isTrue(writer.tryWrite(10));
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-
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- final out = new Out();
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- if (Assert.isTrue(buffer.tryPeekHead(out))) {
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- Assert.equals(10, out.get());
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- }
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- }
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-
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- function test_try_write_full_buffer() {
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- final buffer = new CircularBuffer(1);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final out = new Out();
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-
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- Assert.isTrue(buffer.tryPush(5));
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- Assert.isFalse(writer.tryWrite(10));
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- if (Assert.isTrue(buffer.tryPeekHead(out))) {
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- Assert.equals(5, out.get());
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- }
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- }
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-
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- function test_try_write_wakeup_all_readers() {
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- final buffer = new CircularBuffer(1);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final expected = [];
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-
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- readWaiters.push(new TestContinuation(expected, _ -> '1'));
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- readWaiters.push(new TestContinuation(expected, _ -> '2'));
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-
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- Assert.isTrue(writer.tryWrite(10));
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- Assert.isTrue(readWaiters.isEmpty());
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- Assert.same([ '1', '2' ], expected);
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- }
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-
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- function test_wait_for_write_empty_buffer() {
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- final buffer = new CircularBuffer(2);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final scheduler = new VirtualTimeScheduler();
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- final actual = [];
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- final task = CoroRun.with(scheduler).create(node -> {
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- actual.push(writer.waitForWrite());
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- });
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-
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- task.start();
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-
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- Assert.same([ true ], actual);
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- Assert.isTrue(writeWaiters.isEmpty());
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- }
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-
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- function test_wait_for_write_partial_buffer() {
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- final buffer = new CircularBuffer(2);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final scheduler = new VirtualTimeScheduler();
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- final actual = [];
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- final task = CoroRun.with(scheduler).create(node -> {
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- actual.push(writer.waitForWrite());
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- });
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-
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- Assert.isTrue(buffer.tryPush(0));
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-
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- task.start();
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-
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- Assert.same([ true ], actual);
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- Assert.isTrue(writeWaiters.isEmpty());
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- }
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-
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- function test_wait_for_write_full_buffer() {
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- final buffer = new CircularBuffer(2);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final scheduler = new VirtualTimeScheduler();
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- final actual = [];
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- final task = CoroRun.with(scheduler).create(node -> {
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- actual.push(writer.waitForWrite());
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- });
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-
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- Assert.isTrue(buffer.tryPush(0));
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- Assert.isTrue(buffer.tryPush(0));
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-
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- task.start();
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-
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- scheduler.advanceBy(1);
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-
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- Assert.isTrue(task.isActive());
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- Assert.same([], actual);
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- Assert.isFalse(writeWaiters.isEmpty());
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- }
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-
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- function test_wait_for_write_full_buffer_wakeup() {
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- final buffer = new CircularBuffer(2);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final scheduler = new VirtualTimeScheduler();
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- final actual = [];
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- final task = CoroRun.with(scheduler).create(node -> {
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- actual.push(writer.waitForWrite());
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- });
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-
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- Assert.isTrue(buffer.tryPush(0));
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- Assert.isTrue(buffer.tryPush(0));
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-
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- task.start();
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-
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- scheduler.advanceBy(1);
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-
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- writeWaiters.pop().succeedAsync(true);
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-
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- Assert.same([ true ], actual);
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- Assert.isTrue(writeWaiters.isEmpty());
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- }
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-
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- function test_wait_for_write_full_buffer_cancellation() {
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- final buffer = new CircularBuffer(2);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final scheduler = new VirtualTimeScheduler();
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- final actual = [];
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- final task = CoroRun.with(scheduler).create(node -> {
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- actual.push(writer.waitForWrite());
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- });
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-
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- Assert.isTrue(buffer.tryPush(0));
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- Assert.isTrue(buffer.tryPush(0));
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-
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- task.start();
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-
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- scheduler.advanceBy(1);
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-
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- task.cancel();
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-
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- Assert.isOfType(task.getError(), CancellationException);
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- Assert.same([], actual);
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- Assert.isTrue(writeWaiters.isEmpty());
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- }
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-
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- function test_write_has_space() {
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- final buffer = new CircularBuffer(1);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final scheduler = new VirtualTimeScheduler();
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- final out = new Out();
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- final task = CoroRun.with(scheduler).create(node -> {
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- writer.write(10);
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- });
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-
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- task.start();
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- if (Assert.isTrue(buffer.tryPeekHead(out))) {
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- Assert.equals(10, out.get());
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- }
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- Assert.isTrue(writeWaiters.isEmpty());
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- }
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-
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- function test_write_wait_full_buffer() {
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- final buffer = new CircularBuffer(1);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final scheduler = new VirtualTimeScheduler();
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- final out = new Out();
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- final task = CoroRun.with(scheduler).create(node -> {
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- writer.write(20);
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- });
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-
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- Assert.isTrue(buffer.tryPush(10));
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-
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- task.start();
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- scheduler.advanceBy(1);
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-
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- Assert.isTrue(task.isActive());
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- Assert.isFalse(writeWaiters.isEmpty());
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- if (Assert.isTrue(buffer.tryPeekHead(out))) {
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- Assert.equals(10, out.get());
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- }
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- }
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-
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- function test_write_drop_write_full_buffer() {
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- final buffer = new CircularBuffer(1);
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- final dropped = [];
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- final maxBufferSize = 1;
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), DropWrite(v -> dropped.push(v)));
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- final scheduler = new VirtualTimeScheduler();
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- final out = new Out();
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- final task = CoroRun.with(scheduler).create(node -> {
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- writer.write(20);
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- });
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-
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- Assert.isTrue(buffer.tryPush(10));
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-
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- task.start();
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- Assert.same([ 20 ], dropped);
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- Assert.isTrue(writeWaiters.isEmpty());
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- if (Assert.isTrue(buffer.tryPeekHead(out))) {
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- Assert.equals(10, out.get());
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- }
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- }
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-
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- function test_write_drop_newest_full_buffer() {
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- final buffer = new CircularBuffer(3);
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- final dropped = [];
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), DropNewest(v -> dropped.push(v)));
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- final scheduler = new VirtualTimeScheduler();
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- final out = new Out();
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- final task = CoroRun.with(scheduler).create(node -> {
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- writer.write(20);
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- });
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-
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- Assert.isTrue(buffer.tryPush(1));
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- Assert.isTrue(buffer.tryPush(2));
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- Assert.isTrue(buffer.tryPush(3));
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-
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- task.start();
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- Assert.same([ 3 ], dropped);
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- Assert.isTrue(writeWaiters.isEmpty());
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- if (Assert.isTrue(buffer.tryPeekHead(out))) {
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- Assert.equals(20, out.get());
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- }
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- }
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-
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- function test_write_drop_oldest_full_buffer() {
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- final buffer = new CircularBuffer(3);
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- final dropped = [];
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), DropOldest(v -> dropped.push(v)));
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- final scheduler = new VirtualTimeScheduler();
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- final out = new Out();
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- final task = CoroRun.with(scheduler).create(node -> {
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- writer.write(20);
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- });
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-
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- Assert.isTrue(buffer.tryPush(1));
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- Assert.isTrue(buffer.tryPush(2));
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- Assert.isTrue(buffer.tryPush(3));
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-
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- task.start();
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- Assert.same([ 1 ], dropped);
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- Assert.isTrue(writeWaiters.isEmpty());
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- if (Assert.isTrue(buffer.tryPeekHead(out))) {
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- Assert.equals(20, out.get());
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- }
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- }
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-
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- function test_write_wakup_all_readers() {
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- final buffer = new CircularBuffer(1);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final scheduler = new VirtualTimeScheduler();
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- final expected = [];
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- final task = CoroRun.with(scheduler).create(node -> {
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- writer.write(10);
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- });
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-
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- readWaiters.push(new TestContinuation(expected, _ -> '1'));
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- readWaiters.push(new TestContinuation(expected, _ -> '2'));
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-
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- task.start();
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- Assert.isTrue(readWaiters.isEmpty());
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- Assert.same([ '1', '2' ], expected);
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- }
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-
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- function test_write_full_buffer_wakeup() {
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- final buffer = new CircularBuffer(1);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final scheduler = new VirtualTimeScheduler();
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- final task = CoroRun.with(scheduler).create(node -> {
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- writer.write(10);
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- });
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-
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- Assert.isTrue(buffer.tryPush(5));
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-
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- task.start();
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- scheduler.advanceBy(1);
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-
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- Assert.isTrue(task.isActive());
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-
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- final out = new Out();
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- if (Assert.isTrue(buffer.tryPeekHead(out))) {
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- Assert.equals(5, out.get());
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- }
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-
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- Assert.isTrue(buffer.tryPopHead(out));
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- Assert.isTrue(buffer.wasEmpty());
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- writeWaiters.pop().succeedAsync(true);
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-
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- if (Assert.isTrue(buffer.tryPeekHead(out))) {
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- Assert.equals(10, out.get());
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- }
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- }
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-
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- function test_write_cancellation() {
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- final buffer = new CircularBuffer(1);
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- final writeWaiters = new PagedDeque();
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- final readWaiters = new PagedDeque();
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- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
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- final scheduler = new VirtualTimeScheduler();
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- final out = new Out();
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- final task = CoroRun.with(scheduler).create(node -> {
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- writer.write(10);
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- });
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-
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- Assert.isTrue(buffer.tryPush(5));
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-
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- task.start();
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- scheduler.advanceBy(1);
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- task.cancel();
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- scheduler.advanceBy(1);
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-
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- Assert.isFalse(task.isActive());
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- Assert.isOfType(task.getError(), CancellationException);
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- Assert.isTrue(writeWaiters.isEmpty());
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- if (Assert.isTrue(buffer.tryPeekHead(out))) {
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- Assert.equals(5, out.get());
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- }
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- }
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-
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- function test_close_sets_out() {
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- final buffer = new CircularBuffer(1);
|
|
|
- final writeWaiters = new PagedDeque();
|
|
|
- final readWaiters = new PagedDeque();
|
|
|
- final closed = new Out();
|
|
|
- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, closed, Wait);
|
|
|
-
|
|
|
- closed.set(false);
|
|
|
- writer.close();
|
|
|
-
|
|
|
- Assert.isTrue(closed.get());
|
|
|
- }
|
|
|
-
|
|
|
- function test_try_write_when_closed() {
|
|
|
- final buffer = new CircularBuffer(1);
|
|
|
- final writeWaiters = new PagedDeque();
|
|
|
- final readWaiters = new PagedDeque();
|
|
|
- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
|
|
|
-
|
|
|
- writer.close();
|
|
|
-
|
|
|
- Assert.isFalse(writer.tryWrite(10));
|
|
|
- Assert.isTrue(buffer.wasEmpty());
|
|
|
- }
|
|
|
-
|
|
|
- function test_wait_for_write_when_closed() {
|
|
|
- final buffer = new CircularBuffer(1);
|
|
|
- final writeWaiters = new PagedDeque();
|
|
|
- final readWaiters = new PagedDeque();
|
|
|
- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
|
|
|
- final scheduler = new VirtualTimeScheduler();
|
|
|
- final actual = [];
|
|
|
- final task = CoroRun.with(scheduler).create(node -> {
|
|
|
- actual.push(writer.waitForWrite());
|
|
|
- });
|
|
|
-
|
|
|
- writer.close();
|
|
|
-
|
|
|
- task.start();
|
|
|
- scheduler.advanceBy(1);
|
|
|
-
|
|
|
- Assert.same([ false ], actual);
|
|
|
- }
|
|
|
-
|
|
|
- function test_write_when_closed() {
|
|
|
- final buffer = new CircularBuffer(1);
|
|
|
- final writeWaiters = new PagedDeque();
|
|
|
- final readWaiters = new PagedDeque();
|
|
|
- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
|
|
|
- final scheduler = new VirtualTimeScheduler();
|
|
|
- final actual = [];
|
|
|
- final task = CoroRun.with(scheduler).create(node -> {
|
|
|
- AssertAsync.raises(() -> writer.write('hello'), ChannelClosedException);
|
|
|
- });
|
|
|
-
|
|
|
- writer.close();
|
|
|
-
|
|
|
- task.start();
|
|
|
- scheduler.advanceBy(1);
|
|
|
-
|
|
|
- Assert.isFalse(task.isActive());
|
|
|
- }
|
|
|
-
|
|
|
- function test_closing_wakesup_write_waiters() {
|
|
|
- final buffer = new CircularBuffer(1);
|
|
|
- final writeWaiters = new PagedDeque();
|
|
|
- final readWaiters = new PagedDeque();
|
|
|
- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
|
|
|
- final scheduler = new VirtualTimeScheduler();
|
|
|
- final actual = [];
|
|
|
- final task = CoroRun.with(scheduler).create(node -> {
|
|
|
- actual.push(writer.waitForWrite());
|
|
|
- });
|
|
|
-
|
|
|
- Assert.isTrue(buffer.tryPush(0));
|
|
|
-
|
|
|
- task.start();
|
|
|
-
|
|
|
- scheduler.advanceBy(1);
|
|
|
- Assert.same([], actual);
|
|
|
-
|
|
|
- writer.close();
|
|
|
-
|
|
|
- scheduler.advanceBy(1);
|
|
|
- Assert.same([ false ], actual);
|
|
|
- }
|
|
|
-
|
|
|
- function test_closing_wakesup_read_waiters() {
|
|
|
- final buffer = new CircularBuffer(1);
|
|
|
- final writeWaiters = new PagedDeque();
|
|
|
- final readWaiters = new PagedDeque();
|
|
|
- final writer = new BoundedWriter(buffer, writeWaiters, readWaiters, new Out(), Wait);
|
|
|
- final scheduler = new VirtualTimeScheduler();
|
|
|
- final actual = [];
|
|
|
- final task = CoroRun.with(scheduler).create(node -> {
|
|
|
- writer.waitForWrite();
|
|
|
- });
|
|
|
-
|
|
|
- readWaiters.push(new TestContinuation(actual, b -> b));
|
|
|
-
|
|
|
- Assert.isTrue(buffer.tryPush(0));
|
|
|
-
|
|
|
- task.start();
|
|
|
-
|
|
|
- scheduler.advanceBy(1);
|
|
|
- Assert.same([], actual);
|
|
|
-
|
|
|
- writer.close();
|
|
|
-
|
|
|
- scheduler.advanceBy(1);
|
|
|
- Assert.same([ false ], actual);
|
|
|
- }
|
|
|
-}
|