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Author	SHA1	Message	Date
Joyee Cheung	562cf5a81c	assert: fix premature deep strict comparison Refactors _deepEqual and fixes a few code paths that lead to behaviors contradicting what the doc says. Before this commit certain types of objects (Buffers, Dates, etc.) are not checked properly, and can get away with different prototypes AND different enumerable owned properties because _deepEqual would jump to premature conclusion for them. Since we no longer follow CommonJS unit testing spec, the checks for primitives and object prototypes are moved forward for faster failure. Improve regexp and float* array checks: * Don't compare lastIndex of regexps, because they are not enumerable, so according to the docs they should not be compared * Compare flags of regexps instead of separate properties * Use built-in tags to test for float* arrays instead of using instanceof Use full link to the archived GitHub repository. Use util.objectToString for future improvements to that function that makes sure the call won't be tampered with. PR-URL: https://github.com/nodejs/node/pull/11128 Refs: https://github.com/nodejs/node/pull/10282#issuecomment-274267895 Refs: https://github.com/nodejs/node/issues/10258#issuecomment-266963234 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com>	8 years ago

Author

SHA1

Message

Date

Joyee Cheung

562cf5a81c

assert: fix premature deep strict comparison

Refactors _deepEqual and fixes a few code paths that lead to
behaviors contradicting what the doc says. Before this commit
certain types of objects (Buffers, Dates, etc.) are not checked
properly, and can get away with different prototypes AND different
enumerable owned properties because _deepEqual would jump to
premature conclusion for them.

Since we no longer follow CommonJS unit testing spec,
the checks for primitives and object prototypes are moved
forward for faster failure.

Improve regexp and float* array checks:

* Don't compare lastIndex of regexps, because they are not
  enumerable, so according to the docs they should not be compared
* Compare flags of regexps instead of separate properties
* Use built-in tags to test for float* arrays instead of using
  instanceof

Use full link to the archived GitHub repository.

Use util.objectToString for future improvements to that function
that makes sure the call won't be tampered with.

PR-URL: https://github.com/nodejs/node/pull/11128
Refs: https://github.com/nodejs/node/pull/10282#issuecomment-274267895
Refs: https://github.com/nodejs/node/issues/10258#issuecomment-266963234
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

8 years ago

1 Commits (4a5a9445b542333ac7cd8e3ea39ac784a16ccd97)