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Unified Diff: tests/language/src/Constructor5Test.dart

Issue 8440015: Test for constructor order and bindings. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Suppressions Created 9 years, 2 months ago
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Index: tests/language/src/Constructor5Test.dart
diff --git a/tests/language/src/Constructor5Test.dart b/tests/language/src/Constructor5Test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..b34e965d1f8b300fb08c6d4314fbc0eca7097c89
--- /dev/null
+++ b/tests/language/src/Constructor5Test.dart
@@ -0,0 +1,50 @@
+// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+// Dart test program for constructors and initializers.
+
+// Super initializer and super constructor body are executed in with the same
+// bindings.
+
+String trace = "";
+
+int E(int i) {
+ trace += "$i-";
+ return i;
+}
+
+class A {
+ A([arg1 = 100, arg2 = 200]) : a1 = E(arg1++), a2 = E(arg2++) {
+ // b2 should be initialized between the above initializers and the following
+ // statements.
+ E(arg1); // 101
+ E(arg2); // 51
+ }
+ var a1;
+ var a2;
+}
+
+class B extends A {
+ // Initializers in order: b1, super, b2.
+ B(x, y) : b1 = E(x++), super(arg2: 50), b2 = E(y++) {
+ // Implicit super call to A's body happens here.
+ E(x); // 11
+ E(y); // 21
+ }
+ var b1;
+ var b2;
+}
+
+class C extends B {
+ C() : super(10, 20);
+}
+
+main() {
+ var c = new C();
+ Expect.equals(100, c.a1);
+ Expect.equals(50, c.a2);
+ Expect.equals(10, c.b1);
+ Expect.equals(20, c.b2);
+
+ Expect.equals("10-100-50-20-101-51-11-21-", trace);
+}

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