tests: Copy stdlib tests from Kotlin/JVM

This patch copies Kotlin/JVM stdlib tests (libraries/stdlib/test) excepting ones with explicit java dependencies. It also transforms the tests to use them as box-tests.
2017-04-04 18:20:09 +07:00
parent 5d50943ebd
commit 85827b4880
530 changed files with 11027 additions and 4 deletions
@@ -0,0 +1,25 @@
+import kotlin.test.*
+
+data class Collector<out K, V>(val key: K, val values: MutableList<V> = mutableListOf<V>())
+
+fun box() {
+
+    fun <K> Collector<K, String>.accumulateIfEven(e: String) = apply { if (e.length % 2 == 0) values.add(e) }
+    fun <K, V> Collector<K, V>.toPair() = key to values as List<V>
+
+    val elements = listOf("foo", "bar", "flea", "zoo", "biscuit")
+    val result = elements.groupingBy { it.first() }
+            .fold({ k, e -> Collector<Char, String>(k) }, { k, acc, e -> acc.accumulateIfEven(e) })
+
+    val ordered = result.values.sortedBy { it.key }.map { it.toPair() }
+    assertEquals(listOf('b' to emptyList(), 'f' to listOf("flea"), 'z' to emptyList()), ordered)
+
+    val moreElements = listOf("fire", "zero")
+    val result2 = moreElements.groupingBy { it.first() }
+            .foldTo(HashMap(result),
+                    { k, e -> error("should not be called for $k") },
+                    { k, acc, e -> acc.accumulateIfEven(e) })
+
+    val ordered2 = result2.values.sortedBy { it.key }.map { it.toPair() }
+    assertEquals(listOf('b' to emptyList(), 'f' to listOf("flea", "fire"), 'z' to listOf("zero")), ordered2)
+}