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.

backend.native/tests/external/stdlib/collections/ListSpecificTest/_toString.kt

@@ -0,0 +1,41 @@
+import kotlin.test.*
+
+val data = listOf("foo", "bar")
+val empty = listOf<String>()
+
+fun box() {
+    assertEquals("[foo, bar]", data.toString())
+}
+
+fun tail() {
+    val data = listOf("foo", "bar", "whatnot")
+    val actual = data.drop(1)
+    assertEquals(listOf("bar", "whatnot"), actual)
+}
+
+fun slice() {
+    val list = listOf('A', 'B', 'C', 'D')
+    // ABCD
+    // 0123
+    assertEquals(listOf('B', 'C', 'D'), list.slice(1..3))
+    assertEquals(listOf('D', 'C', 'B'), list.slice(3 downTo 1))
+
+    val iter = listOf(2, 0, 3)
+    assertEquals(listOf('C', 'A', 'D'), list.slice(iter))
+}
+
+fun getOr() {
+    expect("foo") { data.get(0) }
+    expect("bar") { data.get(1) }
+    assertFails { data.get(2) }
+    assertFails { data.get(-1) }
+    assertFails { empty.get(0) }
+
+    expect("foo") { data.getOrElse(0, { "" }) }
+    expect("zoo") { data.getOrElse(-1, { "zoo" }) }
+    expect("zoo") { data.getOrElse(2, { "zoo" }) }
+    expect("zoo") { empty.getOrElse(0) { "zoo" } }
+
+    expect(null) { empty.getOrNull(0) }
+
+}

backend.native/tests/external/stdlib/collections/ListSpecificTest/getOr.kt

@@ -0,0 +1,20 @@
+import kotlin.test.*
+
+val data = listOf("foo", "bar")
+val empty = listOf<String>()
+
+fun box() {
+    expect("foo") { data.get(0) }
+    expect("bar") { data.get(1) }
+    assertFails { data.get(2) }
+    assertFails { data.get(-1) }
+    assertFails { empty.get(0) }
+
+    expect("foo") { data.getOrElse(0, { "" }) }
+    expect("zoo") { data.getOrElse(-1, { "zoo" }) }
+    expect("zoo") { data.getOrElse(2, { "zoo" }) }
+    expect("zoo") { empty.getOrElse(0) { "zoo" } }
+
+    expect(null) { empty.getOrNull(0) }
+
+}

backend.native/tests/external/stdlib/collections/ListSpecificTest/indexOfLast.kt

@@ -0,0 +1,9 @@
+import kotlin.test.*
+
+val data = listOf("foo", "bar")
+val empty = listOf<String>()
+fun box() {
+    expect(-1) { data.indexOfLast { it.contains("p") } }
+    expect(1) { data.indexOfLast { it.length == 3 } }
+    expect(-1) { empty.indexOfLast { it.startsWith('f') } }
+}

backend.native/tests/external/stdlib/collections/ListSpecificTest/lastIndex.kt

@@ -0,0 +1,8 @@
+import kotlin.test.*
+
+val data = listOf("foo", "bar")
+val empty = listOf<String>()
+fun box() {
+    assertEquals(-1, empty.lastIndex)
+    assertEquals(1, data.lastIndex)
+}

backend.native/tests/external/stdlib/collections/ListSpecificTest/mutableList.kt

@@ -0,0 +1,13 @@
+import kotlin.test.*
+
+fun box() {
+    val items = listOf("beverage", "location", "name")
+
+    var list = listOf<String>()
+    for (item in items) {
+        list += item
+    }
+
+    assertEquals(3, list.size)
+    assertEquals("beverage,location,name", list.joinToString(","))
+}

backend.native/tests/external/stdlib/collections/ListSpecificTest/slice.kt

@@ -0,0 +1,13 @@
+import kotlin.test.*
+
+
+fun box() {
+    val list = listOf('A', 'B', 'C', 'D')
+    // ABCD
+    // 0123
+    assertEquals(listOf('B', 'C', 'D'), list.slice(1..3))
+    assertEquals(listOf('D', 'C', 'B'), list.slice(3 downTo 1))
+
+    val iter = listOf(2, 0, 3)
+    assertEquals(listOf('C', 'A', 'D'), list.slice(iter))
+}

backend.native/tests/external/stdlib/collections/ListSpecificTest/tail.kt

@@ -0,0 +1,8 @@
+import kotlin.test.*
+
+
+fun box() {
+    val data = listOf("foo", "bar", "whatnot")
+    val actual = data.drop(1)
+    assertEquals(listOf("bar", "whatnot"), actual)
+}

backend.native/tests/external/stdlib/collections/ListSpecificTest/testNullToString.kt

@@ -0,0 +1,5 @@
+import kotlin.test.*
+
+fun box() {
+    assertEquals("[null]", listOf<String?>(null).toString())
+}