Remove upper case constants (flutter#13)

Remove usage of upper-case constants.

Updates SDK version to 2.0.0-dev.17.0

.travis.yml

@@ -2,8 +2,6 @@ language: dart
 
 dart:
   - dev
-  - stable
-  - 1.23.0
 
 dart_task:
   - test: --platform vm

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.3.5
+
+- Updated SDK version to 2.0.0-dev.17.0
+
 ## 1.3.4
 
 * Modify code to eliminate Future flattening.

pubspec.yaml

@@ -1,13 +1,13 @@
 name: pool
-version: 1.3.4
+version: 1.3.5
 author: Dart Team <misc@dartlang.org>
 description: A class for managing a finite pool of resources.
 homepage: https://github.com/dart-lang/pool
 dependencies:
   async: ">=1.4.0 <3.0.0"
   stack_trace: ">=0.9.2 <2.0.0"
 environment:
-  sdk: ">=1.23.0 <2.0.0"
+  sdk: ">=2.0.0-dev.17.0 <2.0.0"
 dev_dependencies:
   fake_async: ">=0.1.0 <0.2.0"
   test: ">=0.12.0 <0.13.0"

test/pool_test.dart

@@ -177,11 +177,11 @@ void main() {
       var resource = await pool.request();
       var onReleaseCalled = false;
       resource.allowRelease(() => onReleaseCalled = true);
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       expect(onReleaseCalled, isFalse);
 
       expect(pool.request(), completes);
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       expect(onReleaseCalled, isTrue);
     });
 
@@ -195,7 +195,7 @@ void main() {
 
       var onReleaseCalled = false;
       resource.allowRelease(() => onReleaseCalled = true);
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       expect(onReleaseCalled, isTrue);
     });
 
@@ -208,11 +208,11 @@ void main() {
 
       var completer = new Completer();
       resource.allowRelease(() => completer.future);
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       expect(requestComplete, isFalse);
 
       completer.complete();
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       expect(requestComplete, isTrue);
     });
 
@@ -233,7 +233,7 @@ void main() {
         onRelease1Called = true;
         return completer1.future;
       });
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       expect(onRelease1Called, isTrue);
 
       var onRelease2Called = false;
@@ -242,7 +242,7 @@ void main() {
         onRelease2Called = true;
         return completer2.future;
       });
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       expect(onRelease2Called, isTrue);
       expect(request1Complete, isFalse);
       expect(request2Complete, isFalse);
@@ -251,12 +251,12 @@ void main() {
       // was triggered by the second blocking request, it should complete the
       // first one to preserve ordering.
       completer2.complete();
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       expect(request1Complete, isTrue);
       expect(request2Complete, isFalse);
 
       completer1.complete();
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       expect(request1Complete, isTrue);
       expect(request2Complete, isTrue);
     });
@@ -286,7 +286,7 @@ void main() {
     var resource = await pool.request();
     resource.release();
 
-    await new Future.delayed(Duration.ZERO);
+    await new Future.delayed(Duration.zero);
   });
 
   group("close()", () {
@@ -323,7 +323,7 @@ void main() {
       expect(pool.close(), completes);
 
       resource1.allowRelease(() => completer.future);
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
 
       completer.complete();
     });
@@ -347,11 +347,11 @@ void main() {
 
       resource1Released = true;
       resource1.release();
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
 
       resource2Released = true;
       resource2.release();
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
 
       var resource3 = await resource3Future;
       resource3Released = true;
@@ -372,10 +372,10 @@ void main() {
           }),
           completes);
 
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       pool.close();
 
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       completer.complete();
     });
 
@@ -396,10 +396,10 @@ void main() {
           }),
           completes);
 
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       completer1.complete();
 
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       completer2.complete();
     });
 
@@ -414,10 +414,10 @@ void main() {
           }),
           completes);
 
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       resource.allowRelease(() => completer.future);
 
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       completer.complete();
     });
 
@@ -431,7 +431,7 @@ void main() {
       expect(pool.done, throwsA("oh no!"));
       expect(pool.close(), throwsA("oh no!"));
 
-      await new Future.delayed(Duration.ZERO);
+      await new Future.delayed(Duration.zero);
       completer.completeError("oh no!");
     });
   });