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// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
//
// Dart test program for testing native int arrays.
// @dart = 2.9
// Library tag to be able to run in html test framework.
library IntArrayTest;
import "package:expect/expect.dart";
import 'dart:typed_data';
void testInt16() {
Int16List intArray = new Int16List(4);
intArray[0] = 0;
intArray[1] = -1;
intArray[2] = -2;
intArray[3] = -3;
for (int i = 0; i < intArray.length; i++) {
intArray[i]++;
}
var x = intArray[0];
var y = intArray[1];
var z = intArray[2];
var w = intArray[3];
Expect.equals(1, x);
Expect.equals(0, y);
Expect.equals(-1, z);
Expect.equals(-2, w);
var t = y + 1;
intArray[0] = t;
Expect.equals(t, intArray[0]);
}
void testUint16() {
Uint16List intArray = new Uint16List(4);
intArray[0] = 0;
intArray[1] = 1;
intArray[2] = 2;
intArray[3] = 3;
for (int i = 0; i < intArray.length; i++) {
intArray[i]--;
}
var x = intArray[0];
var y = intArray[1];
var z = intArray[2];
var w = intArray[3];
Expect.equals(65535, x);
Expect.equals(0, y);
Expect.equals(1, z);
Expect.equals(2, w);
var t = y + 1;
intArray[0] = t;
Expect.equals(t, intArray[0]);
}
void testInt32ToSmi() {
Int32List intArray;
intArray = new Int32List(4);
intArray[0] = 1073741823; // SmiMax
intArray[1] = -1073741824; // SmiMin
intArray[2] = 1073741824; // SmiMax+1
intArray[3] = -1073741825; // SmiMin-1
var x = intArray[0];
var y = intArray[1];
var z = intArray[2];
var w = intArray[3];
Expect.equals(1073741823, x);
Expect.equals(-1073741824, y);
Expect.equals(1073741824, z);
Expect.equals(-1073741825, w);
}
void testUint32ToSmi() {
Uint32List intArray;
intArray = new Uint32List(4);
intArray[0] = 1073741823; // SmiMax
intArray[1] = -1; // 0xFFFFFFFF : 4294967295
intArray[2] = 1073741830; // SmiMax+7
intArray[3] = -1073741825; // 0xbfffffff : 3221225471
var x = intArray[0];
var y = intArray[1];
var z = intArray[2];
var w = intArray[3];
Expect.equals(1073741823, x);
Expect.equals(4294967295, y);
Expect.equals(1073741830, z);
Expect.equals(3221225471, w);
}
void testInt64ToSmi() {
Int64List intArray;
intArray = new Int64List(4);
intArray[0] = 4611686018427387903; // SmiMax
intArray[1] = -4611686018427387904; // SmiMin
intArray[2] = 4611686018427387904; // SmiMax+1
intArray[3] = -4611686018427387905; // SmiMin-1
var x = intArray[0];
var y = intArray[1];
var z = intArray[2];
var w = intArray[3];
Expect.equals(4611686018427387903, x);
Expect.equals(-4611686018427387904, y);
Expect.equals(4611686018427387904, z);
Expect.equals(-4611686018427387905, w);
}
void testUint64ToSmi() {
Uint64List intArray;
intArray = new Uint64List(4);
intArray[0] = 4611686018427387903; // SmiMax
intArray[1] = -1; // 0xFFFFFFFFFFFFFFFF : 18446744073709551615
intArray[2] = 4611686018427387904; // SmiMax+1
intArray[3] = -9223372036854775808;
var x = intArray[0];
var y = intArray[1];
var z = intArray[2];
var w = intArray[3];
Expect.equals(4611686018427387903, x);
Expect.equals(-1, y);
Expect.equals(4611686018427387904, z);
Expect.equals(-9223372036854775808, w);
}
main() {
testUint64ToSmi();
for (int i = 0; i < 2000; i++) {
testInt16();
testUint16();
testInt32ToSmi();
testUint32ToSmi();
testInt64ToSmi();
testUint64ToSmi();
}
}