standard library: 'max' and 'min' functions added (KT-3714, KT-3843, KT-3126)

2013-11-27 23:09:30 +04:00
parent 47d3e2e1bb
commit bf36eb07e9
14 changed files with 340 additions and 0 deletions
@@ -414,6 +414,28 @@ class CollectionTest {
        expect(arrayList(2, 3, 1)) { list }
    }

+    test fun min() {
+        expect(null, { listOf<Int>().min() })
+        expect(1, { listOf(1).min() })
+        expect(2, { listOf(2, 3).min() })
+        expect(2000000000000, { listOf(3000000000000, 2000000000000).min() })
+        expect('a', { listOf('a', 'b').min() })
+        expect("a", { listOf("a", "b").min() })
+        expect(null, { listOf<Int>().iterator().min() })
+        expect(2, { listOf(2, 3).iterator().min() })
+    }
+
+    test fun max() {
+        expect(null, { listOf<Int>().max() })
+        expect(1, { listOf(1).max() })
+        expect(3, { listOf(2, 3).max() })
+        expect(3000000000000, { listOf(3000000000000, 2000000000000).max() })
+        expect('b', { listOf('a', 'b').max() })
+        expect("b", { listOf("a", "b").max() })
+        expect(null, { listOf<Int>().iterator().max() })
+        expect(3, { listOf(2, 3).iterator().max() })
+    }
+
    test fun sum() {
        expect(0) { ArrayList<Int>().sum() }
        expect(14) { arrayListOf(2, 3, 9).sum() }