chakra-core / chakra-core/ChakraCore
[Bug]: Intl.getCanonicalLocales tests fail on Windows Server 2022 due to mismatch ICU version
- Dominant language
- JavaScript
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Description
### ChakraCore Version
97e68c9174209413f621deb2f963941550ef6f22
### Steps to reproduce
- git clone https://github.com/microsoft/ChakraCore C:\gitP\microsoft\ChakraCore
- cd /d C:\gitP\microsoft\ChakraCore
- msbuild /m /p:Platform=x64 /p:Configuration=Test /p:WindowsTargetPlatformVersion=10.0.22621.0 Build\Chakra.Core.sln /t:Rebuild
- cd /d C:\gitP\microsoft\ChakraCore\test
- cmd.exe /c ver
- python runtests.py -t --x64
### Proof of concept
```js
if (WScript.Platform.ICU_VERSION < 62) {
...
} else {
...
}
```
### Exception or Error
```text
[757/2600 0.16] Failed -> Intl\GetCanonicalLocales.js
C:\gitP\microsoft\ChakraCore\Build\VcBuild\bin\x64_Test\ch.exe -ExtendedErrorStackForTestHost -BaselineMode -WERExceptionSupport -maxInterpretCount:1 -maxSimpleJitRunCount:1 -bgjit- -dynamicprofilecache:profile.dpl.1105 -args summary -endargs C:\gitP\microsoft\ChakraCore\test\Intl\GetCanonicalLocales.js
Output:
----------------------------
ICU_VERSION = 64
de-DE-u-co-yes-kn-true
*** Running test #1 (0): Intl.getCanonicalLocales Functionality (according to ECMA 402 #sec-canonicalizelocalelist)
Test threw exception: assert.areEqual failed at (GetCanonicalLocales.js:102:17):
expected: de-DE-u-co-kn
actual: de-DE-u-co-yes-kn-true
FAILED
*** Running test #2 (1): Handling of unsupported tags and subtags (general canonicalization)
Test threw exception: assert.areEqual failed at (GetCanonicalLocales.js:139:17):
expected: xx-ZZ-u-yy-zz
actual: xx-ZZ-u-yy-yes-zz-yes
FAILED
Summary of tests: total executed: 11; passed: 9; failed: 2
```
### Additional Context
We build Chakra using the latest MSVC to detect compiler regressions. After updating the SHA to 97e68c9174209413f621deb2f963941550ef6f22, we observed that Chakra test exhibited different behaviors on CI test VMs compared to local test VMs. The root cause was conclusively identified as differences in the Windows and ICU versions.
Environment:
CI VM:
- OS: Windows Server 2022 (10.0.20348)
- ICU_VERSION: **64**
- Intl.getCanonicalLocales Output: "de-DE-u-co-yes-kn-true"
- Chakra test result: **2 tests failed**
Local VM:
- OS: Windows 11 (10.0.22631)
- ICU_VERSION: **68**
- Intl.getCanonicalLocales Output: "de-DE-u-co-kn"
- Chakra test result: **All passed**
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