mirror of
https://github.com/dart-lang/sdk
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0b58c4bd10
Retain the old values. Reapply of https://dart-review.googlesource.com/c/sdk/+/20680 with fixes for VM method fingerprints. Change-Id: Ie14e7ccc3194d5561983348e6b6752728913ff4d Reviewed-on: https://dart-review.googlesource.com/20664 Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>
43 lines
2.4 KiB
Dart
43 lines
2.4 KiB
Dart
// Copyright (c) 2012, 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 basic integer operations.
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import "package:expect/expect.dart";
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main() {
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Expect.equals("NaN", (double.nan).toStringAsPrecision(1));
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Expect.equals("Infinity", (double.infinity).toStringAsPrecision(2));
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Expect.equals("-Infinity", (-double.infinity).toStringAsPrecision(2));
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Expect.equals("0.000555000000000000", (0.000555).toStringAsPrecision(15));
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Expect.equals("5.55000000000000e-7", (0.000000555).toStringAsPrecision(15));
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Expect.equals("-5.55000000000000e-7", (-0.000000555).toStringAsPrecision(15));
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Expect.equals("1e+8", (123456789.0).toStringAsPrecision(1));
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Expect.equals("123456789", (123456789.0).toStringAsPrecision(9));
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Expect.equals("1.2345679e+8", (123456789.0).toStringAsPrecision(8));
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Expect.equals("1.234568e+8", (123456789.0).toStringAsPrecision(7));
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Expect.equals("-1.234568e+8", (-123456789.0).toStringAsPrecision(7));
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Expect.equals("-1.2e-9", (-.0000000012345).toStringAsPrecision(2));
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Expect.equals("-1.2e-8", (-.000000012345).toStringAsPrecision(2));
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Expect.equals("-1.2e-7", (-.00000012345).toStringAsPrecision(2));
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Expect.equals("-0.0000012", (-.0000012345).toStringAsPrecision(2));
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Expect.equals("-0.000012", (-.000012345).toStringAsPrecision(2));
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Expect.equals("-0.00012", (-.00012345).toStringAsPrecision(2));
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Expect.equals("-0.0012", (-.0012345).toStringAsPrecision(2));
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Expect.equals("-0.012", (-.012345).toStringAsPrecision(2));
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Expect.equals("-0.12", (-.12345).toStringAsPrecision(2));
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Expect.equals("-1.2", (-1.2345).toStringAsPrecision(2));
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Expect.equals("-12", (-12.345).toStringAsPrecision(2));
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Expect.equals("-1.2e+2", (-123.45).toStringAsPrecision(2));
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Expect.equals("-1.2e+3", (-1234.5).toStringAsPrecision(2));
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Expect.equals("-1.2e+4", (-12345.0).toStringAsPrecision(2));
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Expect.equals("-1.235e+4", (-12345.67).toStringAsPrecision(4));
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Expect.equals("-1.234e+4", (-12344.67).toStringAsPrecision(4));
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Expect.equals("-0.0", (-0.0).toStringAsPrecision(2));
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Expect.equals("-0", (-0.0).toStringAsPrecision(1));
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// Test that we round up even when the last digit generated is even.
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// dtoa does not do this in its original form.
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Expect.equals("1.3", 1.25.toStringAsPrecision(2));
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Expect.equals("1.4", 1.35.toStringAsPrecision(2));
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}
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