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Fix UTF8 string length calculation (#2508)

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Fixes #2451
Fixes #2452
Fixes #2453

Co-authored-by: Robert Fancsik <frobert@inf.u-szeged.hu>
JerryScript-DCO-1.0-Signed-off-by: Daniel Balla dballa@inf.u-szeged.hu
This commit is contained in:
Daniel Balla 2018-09-04 10:47:28 +02:00 committed by Akos Kiss
parent b934dd8308
commit 65e81f3262
4 changed files with 59 additions and 1 deletions
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2
jerry-core/ecma/base/ecma-helpers-string.c
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@ -2052,7 +2052,7 @@ ecma_string_get_utf8_length (const ecma_string_t *string_p) /**< ecma-string */
return (ecma_length_t) (long_string_p->long_utf8_string_length);
}
return lit_get_utf8_length_of_cesu8_string ((const lit_utf8_byte_t *) (string_p + 1),
return lit_get_utf8_length_of_cesu8_string ((const lit_utf8_byte_t *) (long_string_p + 1),
(lit_utf8_size_t) string_p->u.long_utf8_string_size);
}
default:

19
tests/jerry/regression-test-issue-2451.js Normal file
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@ -0,0 +1,19 @@
// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
var src = "var a = 0; while(a) { switch(a) {" ;
for (var i = 0; i < 4000; i++)
src += "-Infinity" + i + "\u00a0\u00a01.2e3";
src += "\udc00%f0%90%80%80\udc00";
print(src);

19
tests/jerry/regression-test-issue-2452.js Normal file
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@ -0,0 +1,19 @@
// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
var src = "";
for (var i = 0; i < 4000; i++)
src += "\udc00%f0%90%80%80\udc00";
src += "} }";
print(src);

20
tests/jerry/regression-test-issue-2453.js Normal file
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@ -0,0 +1,20 @@
// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
var src = "";
for (var i = 0; i < 4000; i++)
src += 4 + i + ": a += a += a; break; ";
src += "\𝔺\
\
";
print(src);