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// Copyright (c) 2017, 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.
// VMOptions=--optimization_counter_threshold=10 --no-background-compilation
// @dart = 2.9
// Test for dart:typed_data (in particular, ByteData.get/setUint64 and
// UInt64List) with limited 64-bit integers.
import 'dart:typed_data';
import "package:expect/expect.dart";
testByteData() {
ByteData data = new ByteData(17);
data.setInt64(5, -0x1122334455667788);
Expect.equals(-0x1122334455667788, data.getUint64(5));
data.setUint32(5, 0x10203040);
Expect.equals(0x10203040aa998878, data.getUint64(5));
data.setUint64(3, -1);
Expect.equals(-1, data.getInt64(3));
data.setUint64(7, 0x7fedcba987654321);
Expect.equals(0x7fedcba987654321, data.getInt64(7));
}
testUint64List() {
Uint64List u64 = new Uint64List(3);
Int64List i64 = new Int64List.view(u64.buffer);
i64[0] = 0x7fffffffffffffff;
i64[1] = -1;
i64[2] = 42;
Expect.equals(0x7fffffffffffffff, u64[0]);
Expect.equals(-1, u64[1]);
Expect.equals(42, u64[2]);
u64[0] = -900000000000000;
Expect.equals(-900000000000000, i64[0]);
}
main() {
for (int i = 0; i < 20; i++) {
testByteData();
testUint64List();
}
}