Add stdlib API test + remove some extra IR stdlib API's

libraries/stdlib/js-v1/runtime/arrayUtils.kt

@@ -0,0 +1,91 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+// a package is omitted to get declarations directly under the module
+
+@PublishedApi
+external internal fun <T> Array(size: Int): Array<T>
+
+@JsName("newArray")
+fun <T> newArray(size: Int, initValue: T) = fillArrayVal(Array<T>(size), initValue)
+
+@JsName("newArrayF")
+inline fun <T> arrayWithFun(size: Int, init: (Int) -> T) = fillArrayFun(Array<T>(size), init)
+
+@JsName("fillArray")
+inline fun <T> fillArrayFun(array: Array<T>, init: (Int) -> T): Array<T> {
+    for (i in 0..array.size - 1) {
+        array[i] = init(i)
+    }
+    return array
+}
+
+@JsName("booleanArray")
+fun booleanArray(size: Int, init: dynamic): Array<Boolean> {
+    val result: dynamic = Array<Boolean>(size)
+    result.`$type$` = "BooleanArray"
+    return when (init) {
+        null, true -> fillArrayVal(result, false)
+        false -> result
+        else -> fillArrayFun<Boolean>(result, init)
+    }
+}
+
+@JsName("booleanArrayF")
+inline fun booleanArrayWithFun(size: Int, init: (Int) -> Boolean): Array<Boolean> = fillArrayFun(booleanArray(size, false), init)
+
+@JsName("charArray")
+@Suppress("UNUSED_PARAMETER")
+fun charArray(size: Int, init: dynamic): Array<Char> {
+    val result = js("new Uint16Array(size)")
+    result.`$type$` = "CharArray"
+    return when (init) {
+        null, true, false -> result // For consistency
+        else -> fillArrayFun<Char>(result, init)
+    }
+}
+
+@JsName("charArrayF")
+inline fun charArrayWithFun(size: Int, init: (Int) -> Char): Array<Char> {
+    val array = charArray(size, null)
+    for (i in 0..array.size - 1) {
+        @Suppress("UNUSED_VARIABLE") // used in js block
+        val value = init(i)
+        js("array[i] = value;")
+    }
+    return array
+}
+
+@JsName("untypedCharArrayF")
+inline fun untypedCharArrayWithFun(size: Int, init: (Int) -> Char): Array<Char> {
+    val array = Array<Char>(size)
+    for (i in 0..array.size - 1) {
+        @Suppress("UNUSED_VARIABLE") // used in js block
+        val value = init(i)
+        js("array[i] = value;")
+    }
+    return array
+}
+
+@JsName("longArray")
+fun longArray(size: Int, init: dynamic): Array<Long> {
+    val result: dynamic = Array<Long>(size)
+    result.`$type$` = "LongArray"
+    return when (init) {
+        null, true -> fillArrayVal(result, 0L)
+        false -> result
+        else -> fillArrayFun<Long>(result, init)
+    }
+}
+
+@JsName("longArrayF")
+inline fun longArrayWithFun(size: Int, init: (Int) -> Long): Array<Long> = fillArrayFun(longArray(size, false), init)
+
+private fun <T> fillArrayVal(array: Array<T>, initValue: T): Array<T> {
+    for (i in 0..array.size - 1) {
+        array[i] = initValue
+    }
+    return array
+}