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Constants ought to be constant. The primary goal of this commit is to
make constants exposed in require('constants') immutable, as they were
prior to node@7.0.0, and as the constants exposed on fs.constants,
crypto.constants, etc. are.
Since this is implemented by using Object.freeze, it also has the side
effect of making the entire exports of require('constants') immutable,
so no new constants can be defined on the object in userland.
PR-URL: https://github.com/nodejs/node/pull/19813
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Node.js Core Tests
This directory contains code and data used to test the Node.js implementation.
For a detailed guide on how to write tests in this directory, see the guide on writing tests.
On how to run tests in this directory, see the contributing guide.
Test Directories
| Directory | Runs on CI | Purpose |
|---|---|---|
| abort | Yes | Tests for when the --abort-on-uncaught-exception flag is used. |
| addons | Yes | Tests for addon functionality along with some tests that require an addon to function properly. |
| cctest | Yes | C++ test that is run as part of the build process. |
| common | Common modules shared among many tests. Documentation | |
| es-module | Yes | Test ESM module loading. |
| fixtures | Test fixtures used in various tests throughout the test suite. | |
| gc | No | Tests for garbage collection related functionality. |
| internet | No | Tests that make real outbound connections (mainly networking related modules). Tests for networking related modules may also be present in other directories, but those tests do not make outbound connections. |
| known_issues | Yes | Tests reproducing known issues within the system. All tests inside of this directory are expected to fail consistently. If a test doesn't fail on certain platforms, those should be skipped via known_issues.status. |
| message | Yes | Tests for messages that are output for various conditions (console.log, error messages etc.) |
| parallel | Yes | Various tests that are able to be run in parallel. |
| pseudo-tty | Yes | Tests that require stdin/stdout/stderr to be a TTY. |
| pummel | No | Various tests for various modules / system functionality operating under load. |
| sequential | Yes | Various tests that are run sequentially. |
| testpy | Test configuration utility used by various test suites. | |
| tick-processor | No | Tests for the V8 tick processor integration. The tests are for the logic in lib/internal/v8_prof_processor.js and lib/internal/v8_prof_polyfill.js. The tests confirm that the profile processor packages the correct set of scripts from V8 and introduces the correct platform specific logic. |
| timers | No | Tests for timing utilities (setTimeout and setInterval). |
When a new test directory is added, make sure to update the CI_JS_SUITES
variable in the Makefile and the js_test_suites variable in
vcbuild.bat.