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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/lists.scala
parent041a971eb7f89d2976bee5512a6caf7de7bff27c (diff)
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diff --git a/test-nsc/files/run/lists.scala b/test-nsc/files/run/lists.scala
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+//############################################################################
+// Lists
+//############################################################################
+// $Id$
+
+//############################################################################
+
+object Test {
+
+ val xs1 = List(1, 2, 3);
+ val xs2 = List('a', 'b');
+ val xs3 = List(List(1, 2), List(4, 5));
+ val xs4 = List(2, 4, 6, 8);
+ val xs5 = List(List(3, 4), List(3), List(4, 5));
+
+ def check_count: int = {
+ val n1 = xs1 count { e => e % 2 != 0 };
+ val n2 = xs4 count { e => e < 5 };
+ n1 + n2
+ }
+
+ def check_diff: int = {
+ val ys1 = xs1 diff xs4;
+ val ys2 = xs3 diff xs5;
+ ys1.length + ys2.length
+ }
+
+ def check_exists: boolean = {
+ val b1 = xs1 exists { e => e % 2 == 0 };
+ val b2 = xs4 exists { e => e == 5 };
+ b1 & b2
+ }
+
+ def check_filter: int = {
+ val ys1 = xs1 filter { e => e % 2 == 0 };
+ val ys2 = xs4 filter { e => e < 5 };
+ ys1.length + ys2.length
+ }
+
+ def check_foldLeft: int = {
+ val n1 = xs1.foldLeft(0)((e1, e2) => e1 + e2);
+ val ys1 = xs4.foldLeft(List[Int]())((e1, e2) => e2 :: e1);
+ n1 + ys1.length
+ }
+
+ def check_forall: boolean = {
+ val b1 = xs1 forall { e => e < 10};
+ val b2 = xs4 forall { e => e % 2 == 0 };
+ b1 & b2
+ }
+
+ def check_intersect: int = {
+ val ys1 = xs1 intersect xs4;
+ val ys2 = xs3 intersect xs5;
+ ys1.length + ys2.length
+ }
+
+ def check_remove: int = {
+ val ys1 = xs1 remove { e => e % 2 != 0 };
+ val ys2 = xs4 remove { e => e < 5 };
+ ys1.length + ys2.length
+ }
+
+ def check_union: int = {
+ val ys1 = xs1 union xs4;
+ val ys2 = xs3 union xs5;
+ ys1.length + ys2.length
+ }
+
+ def check_zip: int = {
+ val ys1 = xs1 zip xs2;
+ val ys2 = xs1 zip xs3;
+ ys1.length + ys2.length
+ }
+
+ def check_zipAll: int = {
+ val ys1 = xs1.zipAll(xs2, 0, '_');
+ val ys2 = xs1.zipAll(xs3, 0, List(-1));
+ ys1.length + ys2.length
+ }
+
+ def check_success[A](name: String, closure: => A, expected: A): Unit = {
+ Console.print("test " + name);
+ try {
+ val actual: A = 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("check_count", check_count, 4);
+ check_success("check_diff", check_diff, 3);
+ check_success("check_exists", check_exists, false);
+ check_success("check_filter", check_filter, 3);
+ check_success("check_foldLeft", check_foldLeft, 10);
+ check_success("check_forall", check_forall, true);
+ check_success("check_intersect", check_intersect, 2);
+ check_success("check_remove", check_remove, 3);
+ check_success("check_union", check_union, 10);
+ check_success("check_zip", check_zip, 4);
+ check_success("check_zipAll", check_zipAll, 6);
+ Console.println;
+ }
+}
+
+//############################################################################