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38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
// Copyright (C) 2017 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: prod-NumericLiteralSeparator
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description: NumericLiteralSeparator is not valid on string conversions for ToNumber operations
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info: |
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NonZeroDigit NumericLiteralSeparator DecimalDigits
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NumericLiteralSeparator ::
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_
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DecimalIntegerLiteral ::
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...
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NonZeroDigit NumericLiteralSeparator_opt DecimalDigits
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DecimalDigits ::
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DecimalDigit
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...
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DecimalDigit :: one of
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0 1 2 3 4 5 6 7 8 9
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features: [numeric-separator-literal]
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---*/
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assert.sameValue(Number("1_0"), NaN, "1_0");
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assert.sameValue(Number("1_1"), NaN, "1_1");
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assert.sameValue(Number("1_2"), NaN, "1_2");
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assert.sameValue(Number("1_3"), NaN, "1_3");
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assert.sameValue(Number("1_4"), NaN, "1_4");
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assert.sameValue(Number("1_5"), NaN, "1_5");
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assert.sameValue(Number("1_6"), NaN, "1_6");
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assert.sameValue(Number("1_7"), NaN, "1_7");
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assert.sameValue(Number("1_8"), NaN, "1_8");
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assert.sameValue(Number("1_9"), NaN, "1_9");
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