Add samples for joinTo

KT-20357
2018-02-11 15:25:35 +01:00
parent 40e3159463
commit f790635b30
11 changed files with 79 additions and 36 deletions
@@ -311,6 +311,17 @@ class Collections {
            assertPrints(moreFrequencies, "{o=1, t=4, f=2, s=2, e=2, n=1}")
        }

+        @Sample
+        fun joinTo() {
+            val sb = StringBuilder("An existing string and a list: ")
+            val numbers = listOf(1, 2, 3)
+            assertPrints(numbers.joinTo(sb, prefix = "[", postfix = "]").toString(), "An existing string and a list: [1, 2, 3]")
+            
+            val lotOfNumbers: Iterable<Int> = 1..100
+            val firstNumbers = StringBuilder("First five numbers: ")
+            assertPrints(lotOfNumbers.joinTo(firstNumbers, limit = 5).toString(), "First five numbers: 1, 2, 3, 4, 5, ...")
+        }
+        
        @Sample
        fun joinToString() {
            val numbers = listOf(1, 2, 3, 4, 5, 6)