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[iOS] Retrieve device locale in full (specific) format from ObjectiveC APIs #111032

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Merged
merged 4 commits into from
Jan 20, 2025
Merged

[iOS] Retrieve device locale in full (specific) format from ObjectiveC APIs #111032

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858ff2f
Fix CurrentCulture to be in specific format
matouskozak Jan 2, 2025
b06b2bb
Merge branch 'main' into iOS-ICU-return-full-locale
matouskozak Jan 14, 2025
2cb6ca3
disable the test for now
matouskozak Jan 16, 2025
b24acb7
move test to separate method
matouskozak Jan 17, 2025
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3 changes: 3 additions & 0 deletions .../System.Runtime/tests/System.Globalization.Tests/CultureInfo/CultureInfoCurrentCulture.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,9 @@ public void CurrentCulture_Default_Not_Invariant()
// culture.
Assert.NotEqual(CultureInfo.CurrentCulture, CultureInfo.InvariantCulture);
Assert.NotEqual(CultureInfo.CurrentUICulture, CultureInfo.InvariantCulture);

// The current culture taken from default system culture should be specific
Assert.False(CultureInfo.CurrentCulture.IsNeutralCulture);
}

[Fact]
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11 changes: 2 additions & 9 deletions src/native/libs/System.Globalization.Native/pal_locale.m
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Expand Up @@ -786,21 +786,14 @@ int32_t GlobalizationNative_GetLocalesNative(UChar* value, int32_t length)
}
}

static NSString* GetBaseName(NSString *localeIdentifier)
{
NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:localeIdentifier];
NSString *languageCode = [locale objectForKey:NSLocaleLanguageCode];
return languageCode;
}

Comment on lines -789 to -795
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Do we know what this was done before?
The PR description should be updated to describe this - what we did before (has that) and why, and what we're changing it to (and why it's OK to change given the previous reasoning).

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@matouskozak matouskozak Jan 3, 2025 •
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Indeed, I was trying this PR to see which test suit breaks if we switch to specific name because there are other dependencies such as SqlStrings that were previously affected. I'll update the issue description when I finalize the code changes.

Brief history what I found:

I'll try to make a middle way out of this, where we use system locale if it's recognized by .NET, otherwise we use parent culture which is neutral.

const char* GlobalizationNative_GetDefaultLocaleNameNative(void)
{
@autoreleasepool
{
if (NSLocale.preferredLanguages.count > 0)
{
NSString *preferredLanguage = [NSLocale.preferredLanguages objectAtIndex:0];
return strdup([GetBaseName(preferredLanguage) UTF8String]);
return strdup([preferredLanguage UTF8String]);
}
else
{
Expand All @@ -821,7 +814,7 @@ int32_t GlobalizationNative_GetLocalesNative(UChar* value, int32_t length)
localeName = currentLocale.localeIdentifier;
}

return strdup([GetBaseName(localeName) UTF8String]);
return strdup([localeName UTF8String]);
}
}
}
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