Add IReadOnlySet support to System.Text.Json#120306

Merged

eiriktsarpalis merged 45 commits intodotnet:mainfrom

sander1095:add-ireadonlyset-support-to-system_text_json

Jan 21, 2026

Commits on Oct 4, 2025

Commits on Oct 9, 2025

Add whitespace
sander1095
committed
Based on the fact that IReadOnlyList does not support population (after manual testing), I believe that IReadOnlySet<T> should also not support it.
sander1095
committed

Commits on Oct 18, 2025

Delete unit tests that check for CanPopulate support.
Sander ten Brinke
committed
Remove more tests that fail due to unsupported casts.
Sander ten Brinke
committed
Remove code that should have been removed in previous commits
Sander ten Brinke
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Remove another test case because this list isn't filled with read only types.
Sander ten Brinke
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Remove CanPopulate false because this is the default
Sander ten Brinke
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Add _isDeserializable to IReadOnlySetOfTConverter for better error messages.
Sander ten Brinke
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Delete more test cases that I believe should fail.
Sander ten Brinke
committed
Add another test case for IReadOnlySet<T>
Sander ten Brinke
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Add another test case for IReadOnlySet<T>
Sander ten Brinke
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Remove unintended formatting changes
Sander ten Brinke
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Switch test class to implementing IReadOnlySet<T> instead of ISet<T>
Sander ten Brinke
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Add back ISet test case
Sander ten Brinke
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Fix .NET 5 reference in comment
Sander ten Brinke
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Commits on Nov 3, 2025

Remove .NET 5 requirement thanks to PR feedback
sander1095
committed

Commits on Jan 14, 2026

Merge branch 'main' into add-ireadonlyset-support-to-system_text_json
eiriktsarpalis
authored

Commits on Jan 15, 2026

Remove comment because I tested the changes and they don't work (intended).
sander1095
committed

Commits on Jan 16, 2026

Commits on Jan 19, 2026

Merge branch 'main' into add-ireadonlyset-support-to-system_text_json
eiriktsarpalis
authored