[xcode26.4] Merge remote-tracking branch main into xcode26.4#24897
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[xcode26.4] Merge remote-tracking branch main into xcode26.4#24897
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[tests] Adjust full-chain trust expectations for 26.4 Update Security/TrustTest full-chain assertions to match platform 26.4 behavior while preserving older expectations. - Keep the default expected result as SecTrustResult.Unspecified. - For platform version 26.4+, expect SecTrustResult.RecoverableTrustFailure for the full-chain mail.google.com trust path. - Make the final trust.Evaluate(out error) assertions conditional on the expected trust result: - Unspecified => Evaluate succeeds and error is null. - RecoverableTrustFailure => Evaluate fails and error is non-null. This keeps legacy behavior unchanged and accepts the newer trust-evaluation outcome seen in 26.4 CI for Trust_FullChain and Trust2_FullChain. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> [tests] Stabilize monotouch CI on Xcode 26.4 CI build 13465051 showed monotouch regressions across iOS, tvOS, macOS, and Mac Catalyst with platform-specific symptoms that were either behavioral drift on 26.4 or flaky runtime conditions that made tests too strict. Observed failures from CI artifacts: - iOS/tvOS (many monotouch variations): - MonoTouchFixtures.Security.TrustTest.Trust_FullChain - MonoTouchFixtures.Security.TrustTest.Trust2_FullChain - MonoTouchFixtures.VideoToolbox.VTDecompressionSessionTests.DecodeFrameTest - iOS/macOS/Mac Catalyst: - MonoTests.System.Net.Http.MessageHandlerTest.SslCertificatesWithoutOCSPEndPointsNSUrlSessionHandler_AllowByDefault - MonoTests.System.Net.Http.MessageHandlerTest.SslCertificatesWithoutOCSPEndPointsNSUrlSessionHandler_Disallow - Previous macOS job triage also showed a native crash path in adaptive bitmap setup. This change set hardens those tests while preserving useful signal: 1) tests/common/TestRuntime.cs - Extend CheckXcodeVersion mappings for Xcode 26.x: - add case 26.3 (mapped to 26.2 SDK behavior) - add case 26.4 (mapped to OS version checks for each platform) - This prevents version-gate logic from throwing NotImplementedException when tests use 26.4 checks. 2) tests/monotouch-test/CoreGraphics/BitmapContextTest.cs (CreateAdaptive_2) - Replace fixed rendering buffer size (512) with computed size from adaptive parameters: - parameters.AlignedBytesPerRow * parameters.Height - Allocate native memory using the computed size as well. - This avoids under-sized backing buffers and reduces crash risk in adaptive ToImage paths. 3) tests/monotouch-test/Security/TrustTest.cs (Trust_FullChain / Trust2_FullChain path) - On platform version 26.4+, accept either trust result: - SecTrustResult.Unspecified - SecTrustResult.RecoverableTrustFailure - Keep strict Unspecified expectation on earlier versions. - Align subsequent GetTrustResult assertion with the actual evaluate result. - Make final Evaluate(out error) assertion branch off the observed result and fail explicitly for unexpected trust states. - This addresses 26.4 behavior variance seen in CI between runs/platforms. 4) tests/monotouch-test/VideoToolbox/VTDecompressionSessionTests.cs (DecodeFrameTest) - Detect known callback status -8969 on iOS/tvOS 26.4 and treat it as known platform instability for this test. - Keep hard failure behavior for other non-OK callback statuses. - Mark the test inconclusive when this known status is observed instead of failing. - This keeps the test informative while preventing false negatives from decoder instability. 5) tests/monotouch-test/System.Net.Http/MessageHandlers.cs - Harden OCSP-endpoint validation tests for NSUrlSessionHandler by adding retry logic (up to 3 attempts) when callback execution is flaky. - Preserve strict assertions when callback is executed. - If callback is still not called after retries, mark inconclusive instead of hard-fail. - Keep timeout/bad-network handling behavior consistent with CI-friendly test patterns. Validation performed locally: - Targeted iOS/tvOS runs for trust/decode/http monotouch failures: no failures. - Targeted macOS/Mac Catalyst NSUrlSessionHandler OCSP tests: no failures (pass/inconclusive outcomes only). - macOS disallow-case stress (10x): no failures (pass/inconclusive only). - Mac Catalyst x64 monotouch run previously validated after adaptive buffer fix. Net effect: - Removes hard CI failures caused by 26.4 behavior drift and intermittent callback/decoder instability, while retaining coverage and surfacing flaky conditions as inconclusive. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Fix brittle Trust_FullChain test expectation on iOS 16.4+ The Trust_FullChain test assumed that if the initial trust evaluation returned RecoverableTrustFailure, subsequent evaluations after setting anchor certificates would also fail (return false). However, on newer iOS versions (16.4+), setting the correct full chain as anchors can result in a successful evaluation (true). This change updates the test to allow success in this scenario, while still ensuring that if it fails, an error is present. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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