Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(80)

Unified Diff: tests/lib_strong/async/stream_controller_test.dart

Issue 2771453003: Format all tests. (Closed)
Patch Set: Format files Created 3 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: tests/lib_strong/async/stream_controller_test.dart
diff --git a/tests/lib_strong/async/stream_controller_test.dart b/tests/lib_strong/async/stream_controller_test.dart
index 5b019320843378c7cb6cc2ba66f7d3a595bf4847..c8d8ceb62d6e7f7a22011c89224147dcc6deea90 100644
--- a/tests/lib_strong/async/stream_controller_test.dart
+++ b/tests/lib_strong/async/stream_controller_test.dart
@@ -12,20 +12,22 @@ import 'event_helper.dart';
const MS = const Duration(milliseconds: 1);
-fail(e) { Expect.fail("Unexepected error: $e"); }
+fail(e) {
+ Expect.fail("Unexepected error: $e");
+}
void testMultiController() {
// Test normal flow.
{
var c = new StreamController(sync: true);
Events expectedEvents = new Events()
- ..add(42)
- ..add("dibs")
- ..error("error!")
- ..error("error too!")
- ..close();
+ ..add(42)
+ ..add("dibs")
+ ..error("error!")
+ ..error("error too!")
+ ..close();
CaptureEvents actualEvents =
- new Events.capture(c.stream.asBroadcastStream());
+ new Events.capture(c.stream.asBroadcastStream());
expectedEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -33,11 +35,15 @@ void testMultiController() {
// Test automatic unsubscription on error.
{
var c = new StreamController(sync: true);
- var expectedEvents = new Events()..add(42)..error("error");
- var actualEvents = new Events.capture(c.stream.asBroadcastStream(),
- cancelOnError: true);
- Events sentEvents =
- new Events()..add(42)..error("error")..add("Are you there?");
+ var expectedEvents = new Events()
+ ..add(42)
+ ..error("error");
+ var actualEvents =
+ new Events.capture(c.stream.asBroadcastStream(), cancelOnError: true);
+ Events sentEvents = new Events()
+ ..add(42)
+ ..error("error")
+ ..add("Are you there?");
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -45,12 +51,15 @@ void testMultiController() {
// Test manual unsubscription.
{
var c = new StreamController(sync: true);
- var expectedEvents = new Events()..add(42)..error("error")..add(37);
- var actualEvents = new Events.capture(c.stream.asBroadcastStream(),
- cancelOnError: false);
+ var expectedEvents = new Events()
+ ..add(42)
+ ..error("error")
+ ..add(37);
+ var actualEvents =
+ new Events.capture(c.stream.asBroadcastStream(), cancelOnError: false);
expectedEvents.replay(c);
actualEvents.subscription.cancel();
- c.add("Are you there"); // Not sent to actualEvents.
+ c.add("Are you there"); // Not sent to actualEvents.
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -58,12 +67,16 @@ void testMultiController() {
{
var c = new StreamController(sync: true);
var expectedEvents = new Events()
- ..add("a string")..add("another string")..close();
+ ..add("a string")
+ ..add("another string")
+ ..close();
var sentEvents = new Events()
- ..add("a string")..add(42)..add("another string")..close();
- var actualEvents = new Events.capture(c.stream
- .asBroadcastStream()
- .where((v) => v is String));
+ ..add("a string")
+ ..add(42)
+ ..add("another string")
+ ..close();
+ var actualEvents = new Events.capture(
+ c.stream.asBroadcastStream().where((v) => v is String));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -71,11 +84,16 @@ void testMultiController() {
// Test map.
{
var c = new StreamController(sync: true);
- var expectedEvents = new Events()..add("abab")..error("error")..close();
- var sentEvents = new Events()..add("ab")..error("error")..close();
- var actualEvents = new Events.capture(c.stream
- .asBroadcastStream()
- .map((v) => "$v$v"));
+ var expectedEvents = new Events()
+ ..add("abab")
+ ..error("error")
+ ..close();
+ var sentEvents = new Events()
+ ..add("ab")
+ ..error("error")
+ ..close();
+ var actualEvents =
+ new Events.capture(c.stream.asBroadcastStream().map((v) => "$v$v"));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -83,16 +101,22 @@ void testMultiController() {
// Test handleError.
{
var c = new StreamController(sync: true);
- var expectedEvents = new Events()..add("ab")..error("[foo]");
- var sentEvents = new Events()..add("ab")..error("foo")..add("ab")..close();
- var actualEvents = new Events.capture(c.stream
- .asBroadcastStream()
- .handleError((error) {
+ var expectedEvents = new Events()
+ ..add("ab")
+ ..error("[foo]");
+ var sentEvents = new Events()
+ ..add("ab")
+ ..error("foo")
+ ..add("ab")
+ ..close();
+ var actualEvents = new Events.capture(
+ c.stream.asBroadcastStream().handleError((error) {
if (error is String) {
// TODO(floitsch): this test originally changed the stacktrace.
throw "[${error}]";
}
- }), cancelOnError: true);
+ }),
+ cancelOnError: true);
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -102,11 +126,22 @@ void testMultiController() {
// Test expand
{
var c = new StreamController(sync: true);
- var sentEvents = new Events()..add(3)..add(2)..add(4)..close();
- var expectedEvents = new Events()..add(1)..add(2)..add(3)
- ..add(1)..add(2)
- ..add(1)..add(2)..add(3)..add(4)
- ..close();
+ var sentEvents = new Events()
+ ..add(3)
+ ..add(2)
+ ..add(4)
+ ..close();
+ var expectedEvents = new Events()
+ ..add(1)
+ ..add(2)
+ ..add(3)
+ ..add(1)
+ ..add(2)
+ ..add(1)
+ ..add(2)
+ ..add(3)
+ ..add(4)
+ ..close();
var actualEvents =
new Events.capture(c.stream.asBroadcastStream().expand((v) {
var l = [];
@@ -120,18 +155,27 @@ void testMultiController() {
// Test transform.
{
var c = new StreamController(sync: true);
- var sentEvents = new Events()..add("a")..error(42)..add("b")..close();
- var expectedEvents =
- new Events()..error("a")..add(42)..error("b")..add("foo")..close();
- var actualEvents =
- new Events.capture(c.stream.asBroadcastStream().transform(
- new StreamTransformer.fromHandlers(
- handleData: (v, s) { s.addError(v); },
- handleError: (e, st, s) { s.add(e); },
- handleDone: (s) {
- s.add("foo");
- s.close();
- })));
+ var sentEvents = new Events()
+ ..add("a")
+ ..error(42)
+ ..add("b")
+ ..close();
+ var expectedEvents = new Events()
+ ..error("a")
+ ..add(42)
+ ..error("b")
+ ..add("foo")
+ ..close();
+ var actualEvents = new Events.capture(c.stream
+ .asBroadcastStream()
+ .transform(new StreamTransformer.fromHandlers(handleData: (v, s) {
+ s.addError(v);
+ }, handleError: (e, st, s) {
+ s.add(e);
+ }, handleDone: (s) {
+ s.add("foo");
+ s.close();
+ })));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -139,20 +183,24 @@ void testMultiController() {
// Test multiple filters.
{
var c = new StreamController(sync: true);
- var sentEvents = new Events()..add(42)
- ..add("snugglefluffy")
- ..add(7)
- ..add("42")
- ..error("not FormatException") // Unsubscribes.
- ..close();
- var expectedEvents = new Events()..add(42)..error("not FormatException");
+ var sentEvents = new Events()
+ ..add(42)
+ ..add("snugglefluffy")
+ ..add(7)
+ ..add("42")
+ ..error("not FormatException") // Unsubscribes.
+ ..close();
+ var expectedEvents = new Events()
+ ..add(42)
+ ..error("not FormatException");
var actualEvents = new Events.capture(
- c.stream.asBroadcastStream().where((v) => v is String)
- .map((v) => int.parse(v))
- .handleError((error) {
- if (error is! FormatException) throw error;
- })
- .where((v) => v > 10),
+ c.stream
+ .asBroadcastStream()
+ .where((v) => v is String)
+ .map((v) => int.parse(v))
+ .handleError((error) {
+ if (error is! FormatException) throw error;
+ }).where((v) => v > 10),
cancelOnError: true);
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
@@ -191,11 +239,11 @@ testSingleController() {
{
var c = new StreamController(sync: true);
Events expectedEvents = new Events()
- ..add(42)
- ..add("dibs")
- ..error("error!")
- ..error("error too!")
- ..close();
+ ..add(42)
+ ..add("dibs")
+ ..error("error!")
+ ..error("error too!")
+ ..close();
CaptureEvents actualEvents = new Events.capture(c.stream);
expectedEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
@@ -204,10 +252,14 @@ testSingleController() {
// Test automatic unsubscription on error.
{
var c = new StreamController(sync: true);
- var expectedEvents = new Events()..add(42)..error("error");
+ var expectedEvents = new Events()
+ ..add(42)
+ ..error("error");
var actualEvents = new Events.capture(c.stream, cancelOnError: true);
- Events sentEvents =
- new Events()..add(42)..error("error")..add("Are you there?");
+ Events sentEvents = new Events()
+ ..add(42)
+ ..error("error")
+ ..add("Are you there?");
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -215,11 +267,14 @@ testSingleController() {
// Test manual unsubscription.
{
var c = new StreamController(sync: true);
- var expectedEvents = new Events()..add(42)..error("error")..add(37);
+ var expectedEvents = new Events()
+ ..add(42)
+ ..error("error")
+ ..add(37);
var actualEvents = new Events.capture(c.stream, cancelOnError: false);
expectedEvents.replay(c);
actualEvents.subscription.cancel();
- c.add("Are you there"); // Not sent to actualEvents.
+ c.add("Are you there"); // Not sent to actualEvents.
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -227,9 +282,14 @@ testSingleController() {
{
var c = new StreamController(sync: true);
var expectedEvents = new Events()
- ..add("a string")..add("another string")..close();
+ ..add("a string")
+ ..add("another string")
+ ..close();
var sentEvents = new Events()
- ..add("a string")..add(42)..add("another string")..close();
+ ..add("a string")
+ ..add(42)
+ ..add("another string")
+ ..close();
var actualEvents = new Events.capture(c.stream.where((v) => v is String));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
@@ -238,8 +298,14 @@ testSingleController() {
// Test map.
{
var c = new StreamController(sync: true);
- var expectedEvents = new Events()..add("abab")..error("error")..close();
- var sentEvents = new Events()..add("ab")..error("error")..close();
+ var expectedEvents = new Events()
+ ..add("abab")
+ ..error("error")
+ ..close();
+ var sentEvents = new Events()
+ ..add("ab")
+ ..error("error")
+ ..close();
var actualEvents = new Events.capture(c.stream.map((v) => "$v$v"));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
@@ -248,14 +314,20 @@ testSingleController() {
// Test handleError.
{
var c = new StreamController(sync: true);
- var expectedEvents = new Events()..add("ab")..error("[foo]");
- var sentEvents = new Events()..add("ab")..error("foo")..add("ab")..close();
+ var expectedEvents = new Events()
+ ..add("ab")
+ ..error("[foo]");
+ var sentEvents = new Events()
+ ..add("ab")
+ ..error("foo")
+ ..add("ab")
+ ..close();
var actualEvents = new Events.capture(c.stream.handleError((error) {
- if (error is String) {
- // TODO(floitsch): this error originally changed the stack trace.
- throw "[${error}]";
- }
- }), cancelOnError: true);
+ if (error is String) {
+ // TODO(floitsch): this error originally changed the stack trace.
+ throw "[${error}]";
+ }
+ }), cancelOnError: true);
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -265,11 +337,22 @@ testSingleController() {
// Test expand
{
var c = new StreamController(sync: true);
- var sentEvents = new Events()..add(3)..add(2)..add(4)..close();
- var expectedEvents = new Events()..add(1)..add(2)..add(3)
- ..add(1)..add(2)
- ..add(1)..add(2)..add(3)..add(4)
- ..close();
+ var sentEvents = new Events()
+ ..add(3)
+ ..add(2)
+ ..add(4)
+ ..close();
+ var expectedEvents = new Events()
+ ..add(1)
+ ..add(2)
+ ..add(3)
+ ..add(1)
+ ..add(2)
+ ..add(1)
+ ..add(2)
+ ..add(3)
+ ..add(4)
+ ..close();
var actualEvents = new Events.capture(c.stream.expand((v) {
var l = [];
for (int i = 0; i < v; i++) l.add(i + 1);
@@ -283,7 +366,11 @@ testSingleController() {
{
var c = new StreamController(sync: true);
// Error after match is not important.
- var sentEvents = new Events()..add("a")..add("x")..error("FAIL")..close();
+ var sentEvents = new Events()
+ ..add("a")
+ ..add("x")
+ ..error("FAIL")
+ ..close();
Future<bool> contains = c.stream.contains("x");
contains.then((var c) {
Expect.isTrue(c);
@@ -294,7 +381,11 @@ testSingleController() {
{
var c = new StreamController(sync: true);
// Not matching is ok.
- var sentEvents = new Events()..add("a")..add("x")..add("b")..close();
+ var sentEvents = new Events()
+ ..add("a")
+ ..add("x")
+ ..add("b")
+ ..close();
Future<bool> contains = c.stream.contains("y");
contains.then((var c) {
Expect.isFalse(c);
@@ -305,7 +396,11 @@ testSingleController() {
{
var c = new StreamController(sync: true);
// Error before match makes future err.
- var sentEvents = new Events()..add("a")..error("FAIL")..add("b")..close();
+ var sentEvents = new Events()
+ ..add("a")
+ ..error("FAIL")
+ ..add("b")
+ ..close();
Future<bool> contains = c.stream.contains("b");
contains.then((var c) {
Expect.fail("no value expected");
@@ -318,17 +413,26 @@ testSingleController() {
// Test transform.
{
var c = new StreamController(sync: true);
- var sentEvents = new Events()..add("a")..error(42)..add("b")..close();
- var expectedEvents =
- new Events()..error("a")..add(42)..error("b")..add("foo")..close();
- var actualEvents = new Events.capture(c.stream.transform(
- new StreamTransformer.fromHandlers(
- handleData: (v, s) { s.addError(v); },
- handleError: (e, st, s) { s.add(e); },
- handleDone: (s) {
- s.add("foo");
- s.close();
- })));
+ var sentEvents = new Events()
+ ..add("a")
+ ..error(42)
+ ..add("b")
+ ..close();
+ var expectedEvents = new Events()
+ ..error("a")
+ ..add(42)
+ ..error("b")
+ ..add("foo")
+ ..close();
+ var actualEvents = new Events.capture(c.stream
+ .transform(new StreamTransformer.fromHandlers(handleData: (v, s) {
+ s.addError(v);
+ }, handleError: (e, st, s) {
+ s.add(e);
+ }, handleDone: (s) {
+ s.add("foo");
+ s.close();
+ })));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
}
@@ -336,20 +440,23 @@ testSingleController() {
// Test multiple filters.
{
var c = new StreamController(sync: true);
- var sentEvents = new Events()..add(42)
- ..add("snugglefluffy")
- ..add(7)
- ..add("42")
- ..error("not FormatException") // Unsubscribes.
- ..close();
- var expectedEvents = new Events()..add(42)..error("not FormatException");
+ var sentEvents = new Events()
+ ..add(42)
+ ..add("snugglefluffy")
+ ..add(7)
+ ..add("42")
+ ..error("not FormatException") // Unsubscribes.
+ ..close();
+ var expectedEvents = new Events()
+ ..add(42)
+ ..error("not FormatException");
var actualEvents = new Events.capture(
- c.stream.where((v) => v is String)
- .map((v) => int.parse(v))
- .handleError((error) {
- if (error is! FormatException) throw error;
- })
- .where((v) => v > 10),
+ c.stream
+ .where((v) => v is String)
+ .map((v) => int.parse(v))
+ .handleError((error) {
+ if (error is! FormatException) throw error;
+ }).where((v) => v > 10),
cancelOnError: true);
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
@@ -361,7 +468,9 @@ testSingleController() {
var sink = c.sink;
var stream = c.stream;
var counter = 0;
- var subscription = stream.listen((data) { counter += data; });
+ var subscription = stream.listen((data) {
+ counter += data;
+ });
Expect.throws(() => stream.listen(null), (e) => e is StateError);
sink.add(1);
Expect.equals(1, counter);
@@ -370,10 +479,16 @@ testSingleController() {
}
testExtraMethods() {
- Events sentEvents = new Events()..add(1)..add(2)..add(3)..close();
+ Events sentEvents = new Events()
+ ..add(1)
+ ..add(2)
+ ..add(3)
+ ..close();
var c = new StreamController(sync: true);
- Events expectedEvents = new Events()..add(3)..close();
+ Events expectedEvents = new Events()
+ ..add(3)
+ ..close();
Events actualEvents = new Events.capture(c.stream.skip(2));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
@@ -396,57 +511,88 @@ testExtraMethods() {
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
-
c = new StreamController(sync: true);
- expectedEvents = new Events()..add(3)..close();
+ expectedEvents = new Events()
+ ..add(3)
+ ..close();
actualEvents = new Events.capture(c.stream.skipWhile((x) => x <= 2));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
-
c = new StreamController(sync: true);
- expectedEvents = new Events()..add(2)..add(3)..close();
+ expectedEvents = new Events()
+ ..add(2)
+ ..add(3)
+ ..close();
actualEvents = new Events.capture(c.stream.skipWhile((x) => x <= 1));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
-
c = new StreamController(sync: true);
- expectedEvents = new Events()..add(1)..add(2)..add(3)..close();
+ expectedEvents = new Events()
+ ..add(1)
+ ..add(2)
+ ..add(3)
+ ..close();
actualEvents = new Events.capture(c.stream.skipWhile((x) => false));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
-
c = new StreamController(sync: true);
- expectedEvents = new Events()..add(1)..add(2)..close();
+ expectedEvents = new Events()
+ ..add(1)
+ ..add(2)
+ ..close();
actualEvents = new Events.capture(c.stream.take(2));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
-
c = new StreamController(sync: true);
- expectedEvents = new Events()..add(1)..add(2)..close();
+ expectedEvents = new Events()
+ ..add(1)
+ ..add(2)
+ ..close();
actualEvents = new Events.capture(c.stream.takeWhile((x) => x <= 2));
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
-
c = new StreamController(sync: true);
sentEvents = new Events()
- ..add(1)..add(1)..add(2)..add(1)..add(2)..add(2)..add(2)..close();
+ ..add(1)
+ ..add(1)
+ ..add(2)
+ ..add(1)
+ ..add(2)
+ ..add(2)
+ ..add(2)
+ ..close();
expectedEvents = new Events()
- ..add(1)..add(2)..add(1)..add(2)..close();
+ ..add(1)
+ ..add(2)
+ ..add(1)
+ ..add(2)
+ ..close();
actualEvents = new Events.capture(c.stream.distinct());
sentEvents.replay(c);
Expect.listEquals(expectedEvents.events, actualEvents.events);
-
c = new StreamController(sync: true);
sentEvents = new Events()
- ..add(5)..add(6)..add(4)..add(6)..add(8)..add(3)..add(4)..add(1)..close();
+ ..add(5)
+ ..add(6)
+ ..add(4)
+ ..add(6)
+ ..add(8)
+ ..add(3)
+ ..add(4)
+ ..add(1)
+ ..close();
expectedEvents = new Events()
- ..add(5)..add(4)..add(3)..add(1)..close();
+ ..add(5)
+ ..add(4)
+ ..add(3)
+ ..add(1)
+ ..close();
// Use 'distinct' as a filter with access to the previously emitted event.
actualEvents = new Events.capture(c.stream.distinct((a, b) => a < b));
sentEvents.replay(c);
@@ -560,7 +706,7 @@ void testCancelThrow() {
asyncEnd();
});
});
- done.catchError(fail).whenComplete(asyncEnd); // Must complete without error.
+ done.catchError(fail).whenComplete(asyncEnd); // Must complete without error.
}
void testCancelThrow2() {
@@ -576,7 +722,7 @@ void testCancelThrow2() {
c2.add(1);
c2.add(2);
Future done2 = c2.close();
- done2.catchError(fail).whenComplete(asyncEnd); // Should not get error;
+ done2.catchError(fail).whenComplete(asyncEnd); // Should not get error;
StreamController c = new StreamController();
var sub;
@@ -590,9 +736,9 @@ void testCancelThrow2() {
});
});
var addDone = c.addStream(c2.stream);
- addDone.catchError(fail).whenComplete(asyncEnd); // Should not get error.
+ addDone.catchError(fail).whenComplete(asyncEnd); // Should not get error.
var done = c.done;
- done.catchError(fail).whenComplete(asyncEnd); // Should not get error.
+ done.catchError(fail).whenComplete(asyncEnd); // Should not get error.
}
void testCancelThrow3() {
@@ -609,7 +755,7 @@ void testCancelThrow3() {
c2.add(1);
c2.add(2);
var done2 = c2.close();
- done2.catchError(fail).whenComplete(asyncEnd); // Should not get error;
+ done2.catchError(fail).whenComplete(asyncEnd); // Should not get error;
StreamController c = new StreamController(onCancel: () {
asyncEnd();
@@ -626,7 +772,7 @@ void testCancelThrow3() {
});
});
var addDone = c.addStream(c2.stream);
- addDone.catchError(fail).whenComplete(asyncEnd); // Error must not go here.
+ addDone.catchError(fail).whenComplete(asyncEnd); // Error must not go here.
c.done.catchError(fail).whenComplete(asyncEnd); // Error must not go here.
}
@@ -652,7 +798,9 @@ void testBroadcastListenAfterClosePaused() {
sub.pause();
sub.pause();
new Timer(MS * 100, () {
- sub.asFuture().whenComplete(() { Expect.fail("Bad complete"); });
+ sub.asFuture().whenComplete(() {
+ Expect.fail("Bad complete");
+ });
sub.resume();
new Timer(MS * 100, () {
sub.onDone(asyncEnd);
@@ -690,7 +838,9 @@ void testAsBroadcastListenAfterClosePaused() {
sub.pause();
sub.pause();
new Timer(MS * 100, () {
- sub.asFuture().whenComplete(() { Expect.fail("Bad complete"); });
+ sub.asFuture().whenComplete(() {
+ Expect.fail("Bad complete");
+ });
sub.resume();
new Timer(MS * 100, () {
sub.onDone(asyncEnd);
@@ -707,6 +857,7 @@ void testEventInListen() {
void send() {
c.add(1);
}
+
int i = 1;
c = new StreamController.broadcast(onListen: send, sync: true);
c.stream.listen((v) {
@@ -765,30 +916,39 @@ void testSyncControllerNotReentrant() {
void testSettingCallbacks() {
const int initial = 0;
const int running = 1;
- const int paused = 2;
+ const int paused = 2;
const int canceled = 3;
var controller = new StreamController();
var stream = controller.stream;
var state = initial;
- var onListen = () { state = running; };
- var onPause = () { state = paused; };
- var onResume = () { state = running; };
- var onCancel = () { state = canceled; };
+ var onListen = () {
+ state = running;
+ };
+ var onPause = () {
+ state = paused;
+ };
+ var onResume = () {
+ state = running;
+ };
+ var onCancel = () {
+ state = canceled;
+ };
Expect.isNull(controller.onListen);
Expect.isNull(controller.onPause);
Expect.isNull(controller.onResume);
Expect.isNull(controller.onCancel);
- controller..onListen = onListen
- ..onPause = onPause
- ..onResume = onResume
- ..onCancel = onCancel;
+ controller
+ ..onListen = onListen
+ ..onPause = onPause
+ ..onResume = onResume
+ ..onCancel = onCancel;
Expect.equals(onListen, controller.onListen);
- Expect.equals(onPause, controller.onPause);
+ Expect.equals(onPause, controller.onPause);
Expect.equals(onResume, controller.onResume);
Expect.equals(onCancel, controller.onCancel);
@@ -802,18 +962,27 @@ void testSettingCallbacks() {
Expect.equals(running, state);
Expect.isFalse(controller.isPaused);
- var onListen2 = () { state = -running; };
- var onPause2 = () { state = -paused; };
- var onResume2 = () { state = -running; };
- var onCancel2 = () { state = -canceled; };
+ var onListen2 = () {
+ state = -running;
+ };
+ var onPause2 = () {
+ state = -paused;
+ };
+ var onResume2 = () {
+ state = -running;
+ };
+ var onCancel2 = () {
+ state = -canceled;
+ };
// Changing them later does make a difference.
- controller..onListen = onListen2
- ..onPause = onPause2
- ..onResume = onResume2
- ..onCancel = onCancel2;
+ controller
+ ..onListen = onListen2
+ ..onPause = onPause2
+ ..onResume = onResume2
+ ..onCancel = onCancel2;
Expect.equals(onListen2, controller.onListen);
- Expect.equals(onPause2, controller.onPause);
+ Expect.equals(onPause2, controller.onPause);
Expect.equals(onResume2, controller.onResume);
Expect.equals(onCancel2, controller.onCancel);
@@ -830,10 +999,11 @@ void testSettingCallbacks() {
void testSettingNullCallbacks() {
failCallback() => fail("Callback should not be called");
- var controller = new StreamController(onListen: failCallback,
- onPause : failCallback,
- onResume: failCallback,
- onCancel: failCallback);
+ var controller = new StreamController(
+ onListen: failCallback,
+ onPause: failCallback,
+ onResume: failCallback,
+ onCancel: failCallback);
var stream = controller.stream;
@@ -886,13 +1056,20 @@ void testBroadcastSettingCallbacks() {
var stream = controller.stream;
var state = initial;
- Expect.throws(() { controller.onPause = () {}; },
- (e) => e is UnsupportedError);
- Expect.throws(() { controller.onResume = () {}; },
- (e) => e is UnsupportedError);
+ Expect.throws(() {
+ controller.onPause = () {};
+ }, (e) => e is UnsupportedError);
+ Expect.throws(() {
+ controller.onResume = () {};
+ }, (e) => e is UnsupportedError);
- controller..onListen = () { state = running; }
- ..onCancel = () { state = canceled; };
+ controller
+ ..onListen = () {
+ state = running;
+ }
+ ..onCancel = () {
+ state = canceled;
+ };
Expect.equals(initial, state);
var sub = stream.listen(null);
@@ -901,8 +1078,13 @@ void testBroadcastSettingCallbacks() {
Expect.equals(canceled, state);
// Changing them later does make a difference.
- controller..onListen = () { state = -running; }
- ..onCancel = () { state = -canceled; };
+ controller
+ ..onListen = () {
+ state = -running;
+ }
+ ..onCancel = () {
+ state = -canceled;
+ };
var sub2 = stream.listen(null);
Expect.equals(-running, state);
@@ -912,8 +1094,8 @@ void testBroadcastSettingCallbacks() {
void testBroadcastSettingNullCallbacks() {
failCallback() => fail("Callback should not be called");
- var controller = new StreamController.broadcast(onListen: failCallback,
- onCancel: failCallback);
+ var controller = new StreamController.broadcast(
+ onListen: failCallback, onCancel: failCallback);
var stream = controller.stream;

Powered by Google App Engine
This is Rietveld 408576698