Revert "Revert "Tests for NumericSeparatorLiteral. Closes gh-1051" (#1188)"

This reverts commit 8422147c.

test/built-ins/Number/string-numeric-separator-literal-bil-bd-nsl-bd.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `0b` | `0B` BinaryDigit NumericLiteralSeparator BinaryDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  BinaryIntegerLiteral ::
+    0b BinaryDigits
+    0B BinaryDigits
+
+  BinaryDigits ::
+    BinaryDigit
+    BinaryDigits BinaryDigit
+    BinaryDigits NumericLiteralSeparator BinaryDigit
+
+  BinaryDigit :: one of
+    0 1
+
+---*/
+
+assert.sameValue(Number("0b0_1"), 0b01);
+assert.sameValue(Number("0B0_1"), 0B01);

test/built-ins/Number/string-numeric-separator-literal-bil-bd-nsl-bds.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `0b` | `0B` BinaryDigit NumericLiteralSeparator BinaryDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  BinaryIntegerLiteral ::
+    0b BinaryDigits
+    0B BinaryDigits
+
+  BinaryDigits ::
+    BinaryDigit
+    BinaryDigits BinaryDigit
+    BinaryDigits NumericLiteralSeparator BinaryDigit
+
+  BinaryDigit :: one of
+    0 1
+
+---*/
+
+assert.sameValue(Number("0b0_10"), 0b010);
+assert.sameValue(Number("0B0_10"), 0B010);

test/built-ins/Number/string-numeric-separator-literal-bil-bds-nsl-bd.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `0b` | `0B` BinaryDigits NumericLiteralSeparator BinaryDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  BinaryIntegerLiteral ::
+    0b BinaryDigits
+    0B BinaryDigits
+
+  BinaryDigits ::
+    BinaryDigit
+    BinaryDigits BinaryDigit
+    BinaryDigits NumericLiteralSeparator BinaryDigit
+
+  BinaryDigit :: one of
+    0 1
+
+---*/
+
+assert.sameValue(Number("0b01_0"), 0b010);
+assert.sameValue(Number("0B01_0"), 0B010);

test/built-ins/Number/string-numeric-separator-literal-bil-bds-nsl-bds.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `0b` | `0B` BinaryDigits NumericLiteralSeparator BinaryDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  BinaryIntegerLiteral ::
+    0b BinaryDigits
+    0B BinaryDigits
+
+  BinaryDigits ::
+    BinaryDigit
+    BinaryDigits BinaryDigit
+    BinaryDigits NumericLiteralSeparator BinaryDigit
+
+  BinaryDigit :: one of
+    0 1
+
+---*/
+
+assert.sameValue(Number("0b01_00"), 0b0100);
+assert.sameValue(Number("0B01_00"), 0B0100);

test/built-ins/Number/string-numeric-separator-literal-dd-dot-dd-ep-sign-minus-dd-nsl-dd.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  DecimalDigits `.` DecimalDigits ExponentPart_opt `-` DecimalDigits
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalLiteral ::
+    DecimalIntegerLiteral . DecimalDigits_opt ExponentPart_opt
+
+  DecimalDigits ::
+    ...
+    DecimalDigits NumericLiteralSeparator DecimalDigit
+
+  SignedInteger ::
+    ...
+    - DecimalDigits
+    ...
+
+---*/
+
+assert.sameValue(Number("1.0e-1_0"), 1.0e-10);

test/built-ins/Number/string-numeric-separator-literal-dd-dot-dd-ep-sign-minus-dds-nsl-dd.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  DecimalDigits `.` DecimalDigits ExponentPart_opt `-` DecimalDigits
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalLiteral ::
+    DecimalIntegerLiteral . DecimalDigits_opt ExponentPart_opt
+
+  DecimalDigits ::
+    ...
+    DecimalDigits NumericLiteralSeparator DecimalDigit
+
+  SignedInteger ::
+    ...
+    - DecimalDigits
+    ...
+
+---*/
+
+assert.sameValue(Number("1.0e-10_0"), 1.0e-100);

test/built-ins/Number/string-numeric-separator-literal-dd-dot-dd-ep-sign-plus-dd-nsl-dd.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  DecimalDigits `.` DecimalDigits ExponentPart_opt `+` DecimalDigits
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalLiteral ::
+    DecimalIntegerLiteral . DecimalDigits_opt ExponentPart_opt
+
+  DecimalDigits ::
+    ...
+    DecimalDigits NumericLiteralSeparator DecimalDigit
+
+  SignedInteger ::
+    ...
+    + DecimalDigits
+    ...
+
+---*/
+
+assert.sameValue(Number("1.0e+1_0"), 1.0e+10);

test/built-ins/Number/string-numeric-separator-literal-dd-dot-dd-ep-sign-plus-dds-nsl-dd.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  DecimalDigits `.` DecimalDigits ExponentPart_opt `+` DecimalDigits
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalLiteral ::
+    DecimalIntegerLiteral . DecimalDigits_opt ExponentPart_opt
+
+  DecimalDigits ::
+    ...
+    DecimalDigits NumericLiteralSeparator DecimalDigit
+
+  SignedInteger ::
+    ...
+    + DecimalDigits
+    ...
+
+---*/
+
+assert.sameValue(Number("1.0e+10_0"), 1.0e+100);
+

test/built-ins/Number/string-numeric-separator-literal-dd-nsl-dd-one-of.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: NonZeroDigit NumericLiteralSeparator DecimalDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalIntegerLiteral ::
+    ...
+    NonZeroDigit NumericLiteralSeparator_opt DecimalDigits
+
+
+  DecimalDigits ::
+    DecimalDigit
+    ...
+
+  DecimalDigit :: one of
+    0 1 2 3 4 5 6 7 8 9
+
+---*/
+
+assert.sameValue(Number("1_0"), 10);
+assert.sameValue(Number("1_1"), 11);
+assert.sameValue(Number("1_2"), 12);
+assert.sameValue(Number("1_3"), 13);
+assert.sameValue(Number("1_4"), 14);
+assert.sameValue(Number("1_5"), 15);
+assert.sameValue(Number("1_6"), 16);
+assert.sameValue(Number("1_7"), 17);
+assert.sameValue(Number("1_8"), 18);
+assert.sameValue(Number("1_9"), 19);

test/built-ins/Number/string-numeric-separator-literal-dds-dot-dd-nsl-dd-ep-dd.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  DecimalDigits `.` DecimalDigits NumericLiteralSeparator DecimalDigits
+  ExponentPart SignedInteger
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalLiteral ::
+    . DecimalDigits ExponentPart_opt
+
+  DecimalDigits ::
+    ...
+    DecimalDigits NumericLiteralSeparator DecimalDigit
+
+  ExponentIndicator :: one of
+    e E
+
+---*/
+
+assert.sameValue(Number("10.00_01e2"), 10.0001e2);

test/built-ins/Number/string-numeric-separator-literal-dds-nsl-dd.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: DecimalDigits NumericLiteralSeparator DecimalDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalDigits ::
+    ...
+    DecimalDigits NumericLiteralSeparator DecimalDigit
+
+---*/
+
+assert.sameValue(Number("123456789_0"), 1234567890);
+assert.sameValue(Number("123456789_1"), 1234567891);
+assert.sameValue(Number("123456789_2"), 1234567892);
+assert.sameValue(Number("123456789_3"), 1234567893);
+assert.sameValue(Number("123456789_4"), 1234567894);
+assert.sameValue(Number("123456789_5"), 1234567895);
+assert.sameValue(Number("123456789_6"), 1234567896);
+assert.sameValue(Number("123456789_7"), 1234567897);
+assert.sameValue(Number("123456789_8"), 1234567898);
+assert.sameValue(Number("123456789_9"), 1234567899);

test/built-ins/Number/string-numeric-separator-literal-dot-dd-nsl-dd-ep.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `.` DecimalDigit NumericLiteralSeparator DecimalDigit ExponentPart
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalLiteral ::
+    . DecimalDigits ExponentPart_opt
+
+  DecimalDigits ::
+    DecimalDigit
+    ...
+    DecimalDigits NumericLiteralSeparator DecimalDigit
+
+  ExponentIndicator :: one of
+    e E
+
+---*/
+
+assert.sameValue(Number(".0_1e2"), .01e2);

test/built-ins/Number/string-numeric-separator-literal-dot-dd-nsl-dds-ep.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `.` DecimalDigit NumericLiteralSeparator DecimalDigits ExponentPart
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalLiteral ::
+    . DecimalDigits ExponentPart_opt
+
+  DecimalDigits ::
+    DecimalDigit
+    ...
+    DecimalDigits NumericLiteralSeparator DecimalDigit
+
+  ExponentIndicator :: one of
+    e E
+
+---*/
+
+assert.sameValue(Number(".1_01e2"), .101e2);

test/built-ins/Number/string-numeric-separator-literal-dot-dds-nsl-dd-ep.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `.` DecimalDigits NumericLiteralSeparator DecimalDigit ExponentPart
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalLiteral ::
+    . DecimalDigits ExponentPart_opt
+
+  DecimalDigits ::
+    DecimalDigit
+    ...
+    DecimalDigits NumericLiteralSeparator DecimalDigit
+
+  ExponentIndicator :: one of
+    e E
+
+---*/
+
+assert.sameValue(Number(".10_1e2"), .101e2);

test/built-ins/Number/string-numeric-separator-literal-dot-dds-nsl-dds-ep.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `.` DecimalDigits NumericLiteralSeparator DecimalDigits ExponentPart
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  DecimalLiteral ::
+    . DecimalDigits ExponentPart_opt
+
+  DecimalDigits ::
+    DecimalDigit
+    ...
+    DecimalDigits NumericLiteralSeparator DecimalDigit
+
+  ExponentIndicator :: one of
+    e E
+
+---*/
+
+assert.sameValue(Number(".00_01e2"), .0001e2);

test/built-ins/Number/string-numeric-separator-literal-hil-hd-nsl-hd.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `0x` | `0X` HexDigit NumericLiteralSeparator HexDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  HexIntegerLiteral ::
+    0x HexDigits
+    0X HexDigits
+
+  HexDigits ::
+    HexDigit
+    HexDigits HexDigit
+    HexDigits NumericLiteralSeparator HexDigit
+
+  HexDigit::one of
+    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
+
+---*/
+
+assert.sameValue(Number("0x0_1"), 0x01);
+assert.sameValue(Number("0X0_1"), 0X01);

test/built-ins/Number/string-numeric-separator-literal-hil-hd-nsl-hds.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `0x` | `0X` HexDigit NumericLiteralSeparator HexDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  HexIntegerLiteral ::
+    0x HexDigits
+    0X HexDigits
+
+  HexDigits ::
+    HexDigit
+    HexDigits HexDigit
+    HexDigits NumericLiteralSeparator HexDigit
+
+  HexDigit::one of
+    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
+
+---*/
+
+assert.sameValue(Number("0x0_10"), 0x010);
+assert.sameValue(Number("0X0_10"), 0X010);

test/built-ins/Number/string-numeric-separator-literal-hil-hds-nsl-hd.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `0x` | `0X` HexDigits NumericLiteralSeparator HexDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  HexIntegerLiteral ::
+    0x HexDigits
+    0X HexDigits
+
+  HexDigits ::
+    HexDigit
+    HexDigits HexDigit
+    HexDigits NumericLiteralSeparator HexDigit
+
+  HexDigit::one of
+    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
+
+---*/
+
+assert.sameValue(Number("0x01_0"), 0x010);
+assert.sameValue(Number("0X01_0"), 0X010);

test/built-ins/Number/string-numeric-separator-literal-hil-hds-nsl-hds.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `0x` | `0X` HexDigits NumericLiteralSeparator HexDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  HexIntegerLiteral ::
+    0x HexDigits
+    0X HexDigits
+
+  HexDigits ::
+    HexDigit
+    HexDigits HexDigit
+    HexDigits NumericLiteralSeparator HexDigit
+
+  HexDigit::one of
+    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
+
+---*/
+
+assert.sameValue(Number("0x01_00"), 0x0100);
+assert.sameValue(Number("0X01_00"), 0X0100);

test/built-ins/Number/string-numeric-separator-literal-hil-od-nsl-od-one-of.js

+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: >
+  `0x` | `0X` HexDigit NumericLiteralSeparator HexDigit
+info: |
+  NumericLiteralSeparator ::
+    _
+
+  HexIntegerLiteral ::
+    0x HexDigits
+    0X HexDigits
+
+  HexDigits ::
+    HexDigit
+    HexDigits HexDigit
+    HexDigits NumericLiteralSeparator HexDigit
+
+  HexDigit::one of
+    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
+
+---*/
+
+assert.sameValue(Number("0x0_0"), 0x00);
+assert.sameValue(Number("0x1_1"), 0x11);
+assert.sameValue(Number("0x2_2"), 0x22);
+assert.sameValue(Number("0x3_3"), 0x33);
+assert.sameValue(Number("0x4_4"), 0x44);
+assert.sameValue(Number("0x5_5"), 0x55);
+assert.sameValue(Number("0x6_6"), 0x66);
+assert.sameValue(Number("0x7_7"), 0x77);
+assert.sameValue(Number("0x8_8"), 0x88);
+assert.sameValue(Number("0x9_9"), 0x99);
+assert.sameValue(Number("0xa_a"), 0xaa);
+assert.sameValue(Number("0xb_b"), 0xbb);
+assert.sameValue(Number("0xc_c"), 0xcc);
+assert.sameValue(Number("0xd_d"), 0xdd);
+assert.sameValue(Number("0xe_e"), 0xee);
+assert.sameValue(Number("0xf_f"), 0xff);
+assert.sameValue(Number("0xA_A"), 0xAA);
+assert.sameValue(Number("0xB_B"), 0xBB);
+assert.sameValue(Number("0xC_C"), 0xCC);
+assert.sameValue(Number("0xD_D"), 0xDD);
+assert.sameValue(Number("0xE_E"), 0xEE);
+assert.sameValue(Number("0xF_F"), 0xFF);