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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
80 lines
3 KiB
Dart
80 lines
3 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Test UnboxedIntConverter for int32.
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// VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation
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// @dart = 2.9
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import "package:expect/expect.dart";
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import "dart:typed_data";
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int32_add(a, b, c) => (a * c) + (b * c);
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int32_mul(a, b, c) => (a * c) * b;
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int32_sub(a, b, c) => (a * c) - (b * c);
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int32_shr(a, b, c) => (a * c * b) >> 16;
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int32_shl(a, b, c) => (a * c * b) << 16;
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int32_xor(a, b, c) => (a * c) ^ (b * c);
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int32_or(a, b, c) => (a * c) | (b * c);
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int32_and(a, b, c) => (a * c) & (b * c);
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int32_to_mint(a, b) {
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var sum = 0;
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var j = 0;
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for (var i = a; i <= b; i++) {
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sum -= (j * ++j) & 0xff;
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}
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return 0xffffffff + sum;
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}
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mint_to_int32(a, c, d) {
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return a * a * a * (c - d);
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}
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uint32_to_int32(a, c) {
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return (a * a * a) * (c & 0xFFFFFFFF);
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}
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main() {
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for (var j = 0; j < 1000; j++) {
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Expect.equals(2, int32_add(1, 1, 1));
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Expect.equals(1, int32_mul(1, 1, 1));
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Expect.equals(0, int32_sub(1, 1, 1));
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Expect.equals(0, int32_shr(1, 1, 1));
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Expect.equals(1 << 16, int32_shl(1, 1, 1));
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Expect.equals(0, int32_xor(1, 1, 1));
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Expect.equals(1, int32_or(1, 1, 1));
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Expect.equals(1, int32_and(1, 1, 1));
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}
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Expect.equals(0x7ffffffe, int32_add(0x7ffffffc ~/ 2, 1, 2));
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Expect.equals(-0x80000000, int32_add(-0x7ffffffe ~/ 2, -1, 2));
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Expect.equals(-0x80000002, int32_add(-0x7ffffffe ~/ 2, -2, 2)); // Overflow.
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Expect.equals(0x7ffffffe, int32_sub(0x7ffffffc ~/ 2, -1, 2));
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Expect.equals(-0x80000000, int32_sub(-0x7ffffffe ~/ 2, 1, 2));
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Expect.equals(-0x80000002, int32_sub(-0x7ffffffe ~/ 2, 2, 2)); // Overflow.
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Expect.equals(-0x7ffffffe, int32_mul(0x7ffffffe ~/ 2, -1, 2));
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Expect.equals(-0x80000000, int32_mul(-0x80000000 ~/ 2, 1, 2));
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Expect.equals(0x80000000, int32_mul(-0x80000000 ~/ 2, -1, 2)); // Overflow.
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Expect.equals(0x60000000, int32_xor(0x40000000 ~/ 2, 0x20000000 ~/ 2, 2));
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Expect.equals(0x00000000, int32_xor(0x40000000 ~/ 2, 0x40000000 ~/ 2, 2));
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Expect.equals(0x60000000, int32_or(0x40000000 ~/ 2, 0x20000000 ~/ 2, 2));
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Expect.equals(0x60000000, int32_or(0x60000000 ~/ 2, 0x40000000 ~/ 2, 2));
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Expect.equals(0x00000000, int32_and(0x40000000 ~/ 2, 0x20000000 ~/ 2, 2));
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Expect.equals(0x40000000, int32_and(0x60000000 ~/ 2, 0x40000000 ~/ 2, 2));
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Expect.equals(1, int32_shr(1, 1 << 16, 1));
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Expect.equals(-1 << 15, int32_shr(1 << 15, -(1 << 16), 1));
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Expect.equals(-0x080000000, int32_shl(-1 << 15, 1, 1));
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Expect.equals(-0x100000000, int32_shl(-1 << 16, 1, 1)); // Overflow.
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Expect.equals(0, int32_shr(1, 1, 1));
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Expect.equals(1 << 16, int32_shl(1, 1, 1));
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for (var j = 0; j < 1000; j++) {
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Expect.equals(4294839503, int32_to_mint(0, 1000));
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Expect.equals(-8, mint_to_int32(2, 0x100000000, 0x100000001));
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Expect.equals(8, uint32_to_int32(2, 0x100000001));
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}
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Expect.equals(8 * 0x80000001, uint32_to_int32(2, 0x180000001));
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}
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