Add Windows TLS engine

common/tls/apple_client_platform_dispatch_test.go

@@ -0,0 +1,50 @@
+//go:build darwin && cgo
+
+package tls
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+)
+
+func TestAppleTLSDispatchDataCopySegments(t *testing.T) {
+	first := []byte("hello ")
+	second := []byte("world")
+
+	buffer := make([]byte, len(first)+len(second))
+	n, errorMessage := appleTLSCopyDispatchDataForTest(first, second, buffer)
+	if n < 0 {
+		t.Fatalf("copy failed: %s", errorMessage)
+	}
+	if int(n) != len(buffer) {
+		t.Fatalf("copied %d bytes, want %d", n, len(buffer))
+	}
+	if !bytes.Equal(buffer, []byte("hello world")) {
+		t.Fatalf("unexpected copy result: %q", string(buffer))
+	}
+}
+
+func TestAppleTLSDispatchDataCopyRejectsSmallBuffer(t *testing.T) {
+	first := []byte("hello")
+	second := []byte("world")
+
+	buffer := make([]byte, len(first)+len(second)-1)
+	n, errorMessage := appleTLSCopyDispatchDataForTest(first, second, buffer)
+	if n != -1 {
+		t.Fatalf("copied %d bytes, want error", n)
+	}
+	if !strings.Contains(errorMessage, "read buffer too small") {
+		t.Fatalf("unexpected error: %q", errorMessage)
+	}
+}
+
+func TestAppleTLSDispatchDataCopyEmpty(t *testing.T) {
+	n, errorMessage := appleTLSCopyDispatchDataForTest(nil, nil, nil)
+	if n != 0 {
+		t.Fatalf("copied %d bytes, want 0", n)
+	}
+	if errorMessage != "" {
+		t.Fatalf("unexpected error: %q", errorMessage)
+	}
+}