#KT-1391 Fixed
This commit is contained in:
@@ -28,7 +28,7 @@ public inline fun <T> Array<T>.any(predicate: (T) -> Boolean) : Boolean {
|
||||
/**
|
||||
* Appends the string from all the elements separated using the *separator* and using the given *prefix* and *postfix* if supplied
|
||||
*
|
||||
* @includeFunctionBody ../../test/CollectionTest.kt makeString
|
||||
* @includeFunctionBody ../../test/CollectionTest.kt appendString
|
||||
*/
|
||||
public inline fun <T> Array<T>.appendString(buffer: Appendable, separator: String = ", ", prefix: String = "", postfix: String = "", limit: Int = -1): Unit {
|
||||
buffer.append(prefix)
|
||||
@@ -180,22 +180,25 @@ public inline fun <T> Array<T>.reverse() : List<T> {
|
||||
}
|
||||
|
||||
/** Copies all elements into the given collection */
|
||||
public inline fun <T, C: Collection<T>> Array<T>.to(result: C) : C {
|
||||
public inline fun <in T, C: Collection<in T>> Array<T>.to(result: C) : C {
|
||||
for (element in this) result.add(element)
|
||||
return result
|
||||
}
|
||||
|
||||
/** Copies all elements into a [[LinkedList]] */
|
||||
public inline fun <T> Array<T>.toLinkedList() : LinkedList<T> = to(LinkedList<T>())
|
||||
/** Copies all elements into a [[LinkedList]] */
|
||||
public inline fun <in T> Array<T>.toLinkedList() : LinkedList<T> = to(LinkedList<T>())
|
||||
|
||||
/** Copies all elements into a [[List]] */
|
||||
public inline fun <T> Array<T>.toList() : List<T> = to(ArrayList<T>())
|
||||
public inline fun <in T> Array<T>.toList() : List<T> = to(ArrayList<T>())
|
||||
|
||||
/** Copies all elements into a [[List] */
|
||||
public inline fun <in T> Array<T>.toCollection() : Collection<T> = to(ArrayList<T>())
|
||||
|
||||
/** Copies all elements into a [[Set]] */
|
||||
public inline fun <T> Array<T>.toSet() : Set<T> = to(HashSet<T>())
|
||||
public inline fun <in T> Array<T>.toSet() : Set<T> = to(HashSet<T>())
|
||||
|
||||
/** Copies all elements into a [[SortedSet]] */
|
||||
public inline fun <T> Array<T>.toSortedSet() : SortedSet<T> = to(TreeSet<T>())
|
||||
public inline fun <in T> Array<T>.toSortedSet() : SortedSet<T> = to(TreeSet<T>())
|
||||
|
||||
/**
|
||||
TODO figure out necessary variance/generics ninja stuff... :)
|
||||
|
||||
@@ -42,6 +42,23 @@ public inline fun <T> Array<T?>?.filterNotNull() : List<T> = filterNotNullTo<T,
|
||||
*/
|
||||
public inline fun <T, R> Array<T>.flatMap(transform: (T)-> Collection<R>) : Collection<R> = flatMapTo(ArrayList<R>(), transform)
|
||||
|
||||
/**
|
||||
* Returns a list containing all the non-*null* elements, throwing an [[IllegalArgumentException]] if there are any null elements
|
||||
*
|
||||
* @includeFunctionBody ../../test/CollectionTest.kt requireNoNulls
|
||||
*/
|
||||
public inline fun <in T> Array<T?>?.requireNoNulls() : List<T> {
|
||||
val list = ArrayList<T>()
|
||||
for (element in this) {
|
||||
if (element == null) {
|
||||
throw IllegalArgumentException("null element found in $this")
|
||||
} else {
|
||||
list.add(element)
|
||||
}
|
||||
}
|
||||
return list
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a list containing the first *n* elements
|
||||
*
|
||||
|
||||
+10
-7
@@ -26,7 +26,7 @@ public inline fun <T> java.util.Iterator<T>.any(predicate: (T) -> Boolean) : Boo
|
||||
/**
|
||||
* Appends the string from all the elements separated using the *separator* and using the given *prefix* and *postfix* if supplied
|
||||
*
|
||||
* @includeFunctionBody ../../test/CollectionTest.kt makeString
|
||||
* @includeFunctionBody ../../test/CollectionTest.kt appendString
|
||||
*/
|
||||
public inline fun <T> java.util.Iterator<T>.appendString(buffer: Appendable, separator: String = ", ", prefix: String = "", postfix: String = "", limit: Int = -1): Unit {
|
||||
buffer.append(prefix)
|
||||
@@ -178,22 +178,25 @@ public inline fun <T> java.util.Iterator<T>.reverse() : List<T> {
|
||||
}
|
||||
|
||||
/** Copies all elements into the given collection */
|
||||
public inline fun <T, C: Collection<T>> java.util.Iterator<T>.to(result: C) : C {
|
||||
public inline fun <in T, C: Collection<in T>> java.util.Iterator<T>.to(result: C) : C {
|
||||
for (element in this) result.add(element)
|
||||
return result
|
||||
}
|
||||
|
||||
/** Copies all elements into a [[LinkedList]] */
|
||||
public inline fun <T> java.util.Iterator<T>.toLinkedList() : LinkedList<T> = to(LinkedList<T>())
|
||||
/** Copies all elements into a [[LinkedList]] */
|
||||
public inline fun <in T> java.util.Iterator<T>.toLinkedList() : LinkedList<T> = to(LinkedList<T>())
|
||||
|
||||
/** Copies all elements into a [[List]] */
|
||||
public inline fun <T> java.util.Iterator<T>.toList() : List<T> = to(ArrayList<T>())
|
||||
public inline fun <in T> java.util.Iterator<T>.toList() : List<T> = to(ArrayList<T>())
|
||||
|
||||
/** Copies all elements into a [[List] */
|
||||
public inline fun <in T> java.util.Iterator<T>.toCollection() : Collection<T> = to(ArrayList<T>())
|
||||
|
||||
/** Copies all elements into a [[Set]] */
|
||||
public inline fun <T> java.util.Iterator<T>.toSet() : Set<T> = to(HashSet<T>())
|
||||
public inline fun <in T> java.util.Iterator<T>.toSet() : Set<T> = to(HashSet<T>())
|
||||
|
||||
/** Copies all elements into a [[SortedSet]] */
|
||||
public inline fun <T> java.util.Iterator<T>.toSortedSet() : SortedSet<T> = to(TreeSet<T>())
|
||||
public inline fun <in T> java.util.Iterator<T>.toSortedSet() : SortedSet<T> = to(TreeSet<T>())
|
||||
|
||||
/**
|
||||
TODO figure out necessary variance/generics ninja stuff... :)
|
||||
@@ -28,7 +28,7 @@ public inline fun <T> Iterable<T>.any(predicate: (T) -> Boolean) : Boolean {
|
||||
/**
|
||||
* Appends the string from all the elements separated using the *separator* and using the given *prefix* and *postfix* if supplied
|
||||
*
|
||||
* @includeFunctionBody ../../test/CollectionTest.kt makeString
|
||||
* @includeFunctionBody ../../test/CollectionTest.kt appendString
|
||||
*/
|
||||
public inline fun <T> Iterable<T>.appendString(buffer: Appendable, separator: String = ", ", prefix: String = "", postfix: String = "", limit: Int = -1): Unit {
|
||||
buffer.append(prefix)
|
||||
@@ -180,22 +180,25 @@ public inline fun <T> Iterable<T>.reverse() : List<T> {
|
||||
}
|
||||
|
||||
/** Copies all elements into the given collection */
|
||||
public inline fun <T, C: Collection<T>> Iterable<T>.to(result: C) : C {
|
||||
public inline fun <in T, C: Collection<in T>> Iterable<T>.to(result: C) : C {
|
||||
for (element in this) result.add(element)
|
||||
return result
|
||||
}
|
||||
|
||||
/** Copies all elements into a [[LinkedList]] */
|
||||
public inline fun <T> Iterable<T>.toLinkedList() : LinkedList<T> = to(LinkedList<T>())
|
||||
/** Copies all elements into a [[LinkedList]] */
|
||||
public inline fun <in T> Iterable<T>.toLinkedList() : LinkedList<T> = to(LinkedList<T>())
|
||||
|
||||
/** Copies all elements into a [[List]] */
|
||||
public inline fun <T> Iterable<T>.toList() : List<T> = to(ArrayList<T>())
|
||||
public inline fun <in T> Iterable<T>.toList() : List<T> = to(ArrayList<T>())
|
||||
|
||||
/** Copies all elements into a [[List] */
|
||||
public inline fun <in T> Iterable<T>.toCollection() : Collection<T> = to(ArrayList<T>())
|
||||
|
||||
/** Copies all elements into a [[Set]] */
|
||||
public inline fun <T> Iterable<T>.toSet() : Set<T> = to(HashSet<T>())
|
||||
public inline fun <in T> Iterable<T>.toSet() : Set<T> = to(HashSet<T>())
|
||||
|
||||
/** Copies all elements into a [[SortedSet]] */
|
||||
public inline fun <T> Iterable<T>.toSortedSet() : SortedSet<T> = to(TreeSet<T>())
|
||||
public inline fun <in T> Iterable<T>.toSortedSet() : SortedSet<T> = to(TreeSet<T>())
|
||||
|
||||
/**
|
||||
TODO figure out necessary variance/generics ninja stuff... :)
|
||||
|
||||
@@ -42,6 +42,23 @@ public inline fun <T> Iterable<T?>?.filterNotNull() : List<T> = filterNotNullTo<
|
||||
*/
|
||||
public inline fun <T, R> Iterable<T>.flatMap(transform: (T)-> Collection<R>) : Collection<R> = flatMapTo(ArrayList<R>(), transform)
|
||||
|
||||
/**
|
||||
* Returns a list containing all the non-*null* elements, throwing an [[IllegalArgumentException]] if there are any null elements
|
||||
*
|
||||
* @includeFunctionBody ../../test/CollectionTest.kt requireNoNulls
|
||||
*/
|
||||
public inline fun <in T> Iterable<T?>?.requireNoNulls() : List<T> {
|
||||
val list = ArrayList<T>()
|
||||
for (element in this) {
|
||||
if (element == null) {
|
||||
throw IllegalArgumentException("null element found in $this")
|
||||
} else {
|
||||
list.add(element)
|
||||
}
|
||||
}
|
||||
return list
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a list containing the first *n* elements
|
||||
*
|
||||
|
||||
@@ -110,6 +110,19 @@ private class FlatMapIterator<T, R>(val iterator : java.util.Iterator<T>, val tr
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns an iterator containing all the non-*null* elements, lazily throwing an [[IllegalArgumentException]]
|
||||
if there are any null elements
|
||||
*
|
||||
* @includeFunctionBody ../../test/iterators/IteratorsTest.kt requireNoNulls
|
||||
*/
|
||||
public inline fun <in T> java.util.Iterator<T?>.requireNoNulls(): java.util.Iterator<T> {
|
||||
return map<T?, T>{
|
||||
if (it == null) throw IllegalArgumentException("null element in iterator $this") else it
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Returns an iterator restricted to the first *n* elements
|
||||
*
|
||||
|
||||
@@ -182,20 +182,20 @@ public inline fun <in T, C: Collection<in T>> java.lang.Iterable<T>.to(result: C
|
||||
return result
|
||||
}
|
||||
|
||||
/** Copies all elements into a [[LinkedList]] if its not already a [[LinkedList]] */
|
||||
public inline fun <in T> java.lang.Iterable<T>.toLinkedList() : LinkedList<T> = if (this is LinkedList<T>) this else to(LinkedList<T>())
|
||||
/** Copies all elements into a [[LinkedList]] */
|
||||
public inline fun <in T> java.lang.Iterable<T>.toLinkedList() : LinkedList<T> = to(LinkedList<T>())
|
||||
|
||||
/** Copies all elements into a [[List]] if its not already a [[List]] */
|
||||
public inline fun <in T> java.lang.Iterable<T>.toList() : List<T> = if (this is List<T>) this else to(ArrayList<T>())
|
||||
/** Copies all elements into a [[List]] */
|
||||
public inline fun <in T> java.lang.Iterable<T>.toList() : List<T> = to(ArrayList<T>())
|
||||
|
||||
/** Copies all elements into a [[List]] if it is not already a [[Collection]] */
|
||||
public inline fun <in T> java.lang.Iterable<T>.toCollection() : Collection<T> = if (this is Collection<T>) this else to(ArrayList<T>())
|
||||
/** Copies all elements into a [[List] */
|
||||
public inline fun <in T> java.lang.Iterable<T>.toCollection() : Collection<T> = to(ArrayList<T>())
|
||||
|
||||
/** Copies all elements into a [[Set]] if its not already a [[Set]] */
|
||||
public inline fun <in T> java.lang.Iterable<T>.toSet() : Set<T> = if (this is Set<T>) this else to(HashSet<T>())
|
||||
/** Copies all elements into a [[Set]] */
|
||||
public inline fun <in T> java.lang.Iterable<T>.toSet() : Set<T> = to(HashSet<T>())
|
||||
|
||||
/** Copies all elements into a [[SortedSet]] if its not already a [[SortedSet]] */
|
||||
public inline fun <in T> java.lang.Iterable<T>.toSortedSet() : SortedSet<T> = if (this is SortedSet<T>) this else to(TreeSet<T>())
|
||||
/** Copies all elements into a [[SortedSet]] */
|
||||
public inline fun <in T> java.lang.Iterable<T>.toSortedSet() : SortedSet<T> = to(TreeSet<T>())
|
||||
|
||||
/**
|
||||
TODO figure out necessary variance/generics ninja stuff... :)
|
||||
|
||||
@@ -39,6 +39,23 @@ public inline fun <T> java.lang.Iterable<T?>?.filterNotNull() : List<T> = filter
|
||||
*/
|
||||
public inline fun <T, R> java.lang.Iterable<T>.flatMap(transform: (T)-> Collection<R>) : Collection<R> = flatMapTo(ArrayList<R>(), transform)
|
||||
|
||||
/**
|
||||
* Returns a list containing all the non-*null* elements, throwing an [[IllegalArgumentException]] if there are any null elements
|
||||
*
|
||||
* @includeFunctionBody ../../test/CollectionTest.kt requireNoNulls
|
||||
*/
|
||||
public inline fun <in T> java.lang.Iterable<T?>?.requireNoNulls() : List<T> {
|
||||
val list = ArrayList<T>()
|
||||
for (element in this) {
|
||||
if (element == null) {
|
||||
throw IllegalArgumentException("null element found in $this")
|
||||
} else {
|
||||
list.add(element)
|
||||
}
|
||||
}
|
||||
return list
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a list containing the first *n* elements
|
||||
*
|
||||
|
||||
@@ -101,13 +101,15 @@ public fun fails(block: ()-> Unit): Throwable? {
|
||||
}
|
||||
|
||||
/** Asserts that a block fails with a specific exception being thrown */
|
||||
public fun <T: Throwable> failsWith(block: ()-> Unit) {
|
||||
public fun <T: Throwable> failsWith(block: ()-> Any): T {
|
||||
try {
|
||||
block()
|
||||
asserter.fail("Expected an exception to be thrown")
|
||||
throw IllegalStateException("Should have failed")
|
||||
} catch (e: T) {
|
||||
//println("Caught expected exception: $e")
|
||||
// OK
|
||||
return e
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -271,6 +271,18 @@ class CollectionTest {
|
||||
*/
|
||||
}
|
||||
|
||||
test fun requireNoNulls() {
|
||||
val data = arrayList<String?>("foo", "bar")
|
||||
val notNull = data.requireNoNulls()
|
||||
assertEquals(arrayList("foo", "bar"), notNull)
|
||||
|
||||
val hasNulls = arrayList("foo", null, "bar")
|
||||
failsWith<IllegalArgumentException> {
|
||||
// should throw an exception as we have a null
|
||||
hasNulls.requireNoNulls()
|
||||
}
|
||||
}
|
||||
|
||||
test fun reverse() {
|
||||
val data = arrayList("foo", "bar")
|
||||
val rev = data.reverse()
|
||||
|
||||
@@ -63,7 +63,7 @@ fun main(args: Array<String>) {
|
||||
it.replaceAll("java.lang.Iterable<T", "Iterable<T")
|
||||
}
|
||||
|
||||
generateFile(File(outDir, "JUnilIteratorsFromJLangIterables.kt"), "package kotlin", File(srcDir, "JLangIterables.kt")) {
|
||||
generateFile(File(outDir, "JUtilIteratorsFromJLangIterables.kt"), "package kotlin", File(srcDir, "JLangIterables.kt")) {
|
||||
it.replaceAll("java.lang.Iterable<T", "java.util.Iterator<T")
|
||||
}
|
||||
|
||||
@@ -74,7 +74,7 @@ fun main(args: Array<String>) {
|
||||
it.replaceAll("java.util.Collection<T", "Array<T")
|
||||
}
|
||||
|
||||
generateFile(File(outDir, "JUnilIterablesFromJUtilCollections.kt"), "package kotlin", File(srcDir, "JUtilCollections.kt")) {
|
||||
generateFile(File(outDir, "JUtilIterablesFromJUtilCollections.kt"), "package kotlin", File(srcDir, "JUtilCollections.kt")) {
|
||||
it.replaceAll("java.util.Collection<T", "java.lang.Iterable<T").replaceAll("(this.size)", "")
|
||||
}
|
||||
|
||||
|
||||
@@ -1,7 +1,8 @@
|
||||
package iterators
|
||||
|
||||
import kotlin.test.assertEquals
|
||||
import org.junit.Test
|
||||
import org.junit.Test as test
|
||||
import kotlin.test.failsWith
|
||||
|
||||
class IteratorsTest {
|
||||
|
||||
@@ -11,24 +12,24 @@ class IteratorsTest {
|
||||
return iterate<Int> { when (index++) { 0 -> a; 1 -> b; else -> { val result = a + b; a = b; b = result; result } } }
|
||||
}
|
||||
|
||||
Test fun filterAndTakeWhileExtractTheElementsWithinRange() {
|
||||
test fun filterAndTakeWhileExtractTheElementsWithinRange() {
|
||||
assertEquals(arrayList(144, 233, 377, 610, 987), fibonacci().filter { it > 100 }.takeWhile { it < 1000 }.toList())
|
||||
}
|
||||
|
||||
Test fun foldReducesTheFirstNElements() {
|
||||
test fun foldReducesTheFirstNElements() {
|
||||
val sum = { (a: Int, b: Int) -> a + b }
|
||||
assertEquals(arrayList(13, 21, 34, 55, 89).fold(0, sum), fibonacci().filter { it > 10 }.take(5).fold(0, sum))
|
||||
}
|
||||
|
||||
Test fun takeExtractsTheFirstNElements() {
|
||||
test fun takeExtractsTheFirstNElements() {
|
||||
assertEquals(arrayList(0, 1, 1, 2, 3, 5, 8, 13, 21, 34), fibonacci().take(10).toList())
|
||||
}
|
||||
|
||||
Test fun mapAndTakeWhileExtractTheTransformedElements() {
|
||||
test fun mapAndTakeWhileExtractTheTransformedElements() {
|
||||
assertEquals(arrayList(0, 3, 3, 6, 9, 15), fibonacci().map { it * 3 }.takeWhile { (i: Int) -> i < 20 }.toList())
|
||||
}
|
||||
|
||||
Test fun flatMapAndTakeExtractTheTransformedElements() {
|
||||
test fun flatMapAndTakeExtractTheTransformedElements() {
|
||||
fun intToBinaryDigits() = { (i: Int) ->
|
||||
val binary = Integer.toBinaryString(i).sure()
|
||||
var index = 0
|
||||
@@ -47,11 +48,24 @@ class IteratorsTest {
|
||||
assertEquals(expected, fibonacci().flatMap<Int, Char>(intToBinaryDigits()).take(10).toList())
|
||||
}
|
||||
|
||||
Test fun joinConcatenatesTheFirstNElementsAboveAThreshold() {
|
||||
test fun joinConcatenatesTheFirstNElementsAboveAThreshold() {
|
||||
assertEquals("13, 21, 34, 55, 89, ...", fibonacci().filter { it > 10 }.makeString(separator = ", ", limit = 5))
|
||||
}
|
||||
|
||||
Test fun toStringJoinsNoMoreThanTheFirstTenElements() {
|
||||
test fun requireNoNulls() {
|
||||
val iter = arrayList<String?>("foo", "bar").iterator()
|
||||
val notNull = iter.requireNoNulls()
|
||||
assertEquals(arrayList("foo", "bar"), notNull.toList())
|
||||
|
||||
val iterWithNulls = arrayList("foo", null, "bar").iterator()
|
||||
val notNull2 = iterWithNulls.requireNoNulls()
|
||||
failsWith<IllegalArgumentException> {
|
||||
// should throw an exception as we have a null
|
||||
notNull2.toList()
|
||||
}
|
||||
}
|
||||
|
||||
test fun toStringJoinsNoMoreThanTheFirstTenElements() {
|
||||
assertEquals("0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...", fibonacci().makeString(limit = 10))
|
||||
assertEquals("13, 21, 34, 55, 89, 144, 233, 377, 610, 987, ...", fibonacci().filter { it > 10 }.makeString(limit = 10))
|
||||
assertEquals("144, 233, 377, 610, 987", fibonacci().filter { it > 100 }.takeWhile { it < 1000 }.makeString())
|
||||
|
||||
Reference in New Issue
Block a user