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authorMartin Odersky <odersky@gmail.com>2005-10-05 11:08:17 +0000
committerMartin Odersky <odersky@gmail.com>2005-10-05 11:08:17 +0000
commit0a6b2c44cbdcea9e9c248b6a5b9970ad4cd86001 (patch)
treec008a12ea7e928b3f34e0c345c84832d90c1c8ad /test-nsc/files/run/boolexprs.scala
parent041a971eb7f89d2976bee5512a6caf7de7bff27c (diff)
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diff --git a/test-nsc/files/run/boolexprs.scala b/test-nsc/files/run/boolexprs.scala
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+//############################################################################
+// Boolean Expressions
+//############################################################################
+// $Id$
+
+class Counter {
+ private var n: Int = 0;
+ def incrThen(b: Boolean) = if (b) n = n + 1;
+ def value = n;
+}
+
+object Test1 {
+ var flag = false;
+ def flip: boolean = { val tmp = flag; flag = !flag; tmp }
+ def run: Int = {
+ val c = new Counter;
+ c.incrThen(flip || flip);
+ c.value
+ }
+}
+
+object Test2 {
+ val a = Array(false);
+
+ def run: Int = {
+ val c = new Counter;
+ c.incrThen(true && a(0));
+ c.incrThen(false || Nil.length > 0);
+ c.value
+ }
+}
+
+//############################################################################
+// Test code
+
+object Test {
+ def check_success(name: String, closure: => Int, expected: Int): Unit = {
+ Console.print("test " + name);
+ try {
+ val actual: Int = closure;
+ if (actual == expected) {
+ Console.print(" was successful");
+ } else {
+ Console.print(" failed: expected "+ expected +", found "+ actual);
+ }
+ } catch {
+ case exception: Throwable => {
+ Console.print(" raised exception " + exception);
+ }
+ }
+ Console.println;
+ }
+
+ def main(args: Array[String]): Unit = {
+ check_success("Test1", Test1.run, 1);
+ check_success("Test2", Test2.run, 0);
+ Console.println;
+ }
+}
+
+//############################################################################