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v8/test/mjsunit/harmony/template-escapes.js
bakkot baa74e89b6 [parser] Correctly handle invalid escapes in adjacent template tokens. 
A previous patch lifting the restriction on invalid escape sequences in
tagged templates had a bug when two template tokens appeared immediately
adject to each other. This moves invalid escape information from the
tokenizer state proper into the TokenDesc, preventing the overwriting
which caused this issue.

Previous CL is at
https://codereview.chromium.org/2665513002

BUG=v8:6029,v8:5546

Review-Url: https://codereview.chromium.org/2724003006
Cr-Commit-Position: refs/heads/master@{#43596}
2017-03-03 22:08:57 +00:00

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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-template-escapes
function check({cooked, raw, exprs}) {
return function(strs, ...args) {
assertArrayEquals(cooked, strs);
assertArrayEquals(raw, strs.raw);
assertArrayEquals(exprs, args);
};
}
// clang-format off
check({
'cooked': [
undefined
],
'raw': [
'\\01'
],
'exprs': []
})`\01`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\01',
'right'
],
'exprs': [
0
]
})`\01${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\01'
],
'exprs': [
0
]
})`left${0}\01`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\01',
'right'
],
'exprs': [
0,
1
]
})`left${0}\01${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\1'
],
'exprs': []
})`\1`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\1',
'right'
],
'exprs': [
0
]
})`\1${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\1'
],
'exprs': [
0
]
})`left${0}\1`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\1',
'right'
],
'exprs': [
0,
1
]
})`left${0}\1${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\xg'
],
'exprs': []
})`\xg`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\xg',
'right'
],
'exprs': [
0
]
})`\xg${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\xg'
],
'exprs': [
0
]
})`left${0}\xg`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\xg',
'right'
],
'exprs': [
0,
1
]
})`left${0}\xg${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\xAg'
],
'exprs': []
})`\xAg`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\xAg',
'right'
],
'exprs': [
0
]
})`\xAg${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\xAg'
],
'exprs': [
0
]
})`left${0}\xAg`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\xAg',
'right'
],
'exprs': [
0,
1
]
})`left${0}\xAg${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\u0'
],
'exprs': []
})`\u0`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\u0',
'right'
],
'exprs': [
0
]
})`\u0${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\u0'
],
'exprs': [
0
]
})`left${0}\u0`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\u0',
'right'
],
'exprs': [
0,
1
]
})`left${0}\u0${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\u0g'
],
'exprs': []
})`\u0g`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\u0g',
'right'
],
'exprs': [
0
]
})`\u0g${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\u0g'
],
'exprs': [
0
]
})`left${0}\u0g`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\u0g',
'right'
],
'exprs': [
0,
1
]
})`left${0}\u0g${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\u00g'
],
'exprs': []
})`\u00g`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\u00g',
'right'
],
'exprs': [
0
]
})`\u00g${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\u00g'
],
'exprs': [
0
]
})`left${0}\u00g`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\u00g',
'right'
],
'exprs': [
0,
1
]
})`left${0}\u00g${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\u000g'
],
'exprs': []
})`\u000g`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\u000g',
'right'
],
'exprs': [
0
]
})`\u000g${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\u000g'
],
'exprs': [
0
]
})`left${0}\u000g`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\u000g',
'right'
],
'exprs': [
0,
1
]
})`left${0}\u000g${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\u{}'
],
'exprs': []
})`\u{}`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\u{}',
'right'
],
'exprs': [
0
]
})`\u{}${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\u{}'
],
'exprs': [
0
]
})`left${0}\u{}`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\u{}',
'right'
],
'exprs': [
0,
1
]
})`left${0}\u{}${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\u{-0}'
],
'exprs': []
})`\u{-0}`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\u{-0}',
'right'
],
'exprs': [
0
]
})`\u{-0}${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\u{-0}'
],
'exprs': [
0
]
})`left${0}\u{-0}`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\u{-0}',
'right'
],
'exprs': [
0,
1
]
})`left${0}\u{-0}${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\u{g}'
],
'exprs': []
})`\u{g}`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\u{g}',
'right'
],
'exprs': [
0
]
})`\u{g}${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\u{g}'
],
'exprs': [
0
]
})`left${0}\u{g}`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\u{g}',
'right'
],
'exprs': [
0,
1
]
})`left${0}\u{g}${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\u{0'
],
'exprs': []
})`\u{0`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\u{0',
'right'
],
'exprs': [
0
]
})`\u{0${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\u{0'
],
'exprs': [
0
]
})`left${0}\u{0`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\u{0',
'right'
],
'exprs': [
0,
1
]
})`left${0}\u{0${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\u{\\u{0}'
],
'exprs': []
})`\u{\u{0}`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\u{\\u{0}',
'right'
],
'exprs': [
0
]
})`\u{\u{0}${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\u{\\u{0}'
],
'exprs': [
0
]
})`left${0}\u{\u{0}`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\u{\\u{0}',
'right'
],
'exprs': [
0,
1
]
})`left${0}\u{\u{0}${1}right`;
check({
'cooked': [
undefined
],
'raw': [
'\\u{110000}'
],
'exprs': []
})`\u{110000}`;
check({
'cooked': [
undefined,
'right'
],
'raw': [
'\\u{110000}',
'right'
],
'exprs': [
0
]
})`\u{110000}${0}right`;
check({
'cooked': [
'left',
undefined
],
'raw': [
'left',
'\\u{110000}'
],
'exprs': [
0
]
})`left${0}\u{110000}`;
check({
'cooked': [
'left',
undefined,
'right'
],
'raw': [
'left',
'\\u{110000}',
'right'
],
'exprs': [
0,
1
]
})`left${0}\u{110000}${1}right`;
function checkMultiple(expectedArray) {
let results = [];
return function consume(strs, ...args) {
if (typeof strs === 'undefined') {
assertArrayEquals(expectedArray, results);
} else {
results.push({cooked: strs, raw: strs.raw, exprs: args});
return consume;
}
};
}
checkMultiple([{
'cooked': [
undefined
],
'raw': [
'\\u',
],
'exprs': []
}, {
'cooked': [
undefined
],
'raw': [
'\\u',
],
'exprs': []
}])`\u``\u`();
checkMultiple([{
'cooked': [
' '
],
'raw': [
' ',
],
'exprs': []
}, {
'cooked': [
undefined
],
'raw': [
'\\u',
],
'exprs': []
}])` ``\u`();
checkMultiple([{
'cooked': [
undefined
],
'raw': [
'\\u',
],
'exprs': []
}, {
'cooked': [
' '
],
'raw': [
' ',
],
'exprs': []
}])`\u`` `();
checkMultiple([{
'cooked': [
' '
],
'raw': [
' ',
],
'exprs': []
}, {
'cooked': [
' '
],
'raw': [
' ',
],
'exprs': []
}])` `` `();
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