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diff --git a/intl/icu/source/tools/ctestfw/unicode/testlog.h b/intl/icu/source/tools/ctestfw/unicode/testlog.h
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+++ b/intl/icu/source/tools/ctestfw/unicode/testlog.h
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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/********************************************************************
+ * COPYRIGHT: 
+ * Copyright (c) 2004-2010, International Business Machines Corporation and
+ * others. All Rights Reserved.
+ ********************************************************************/
+
+/* Created by grhoten 03/17/2004 */
+
+/* Base class for data driven tests */
+
+#ifndef U_TESTFW_TESTLOG
+#define U_TESTFW_TESTLOG
+
+#include "unicode/errorcode.h"
+#include "unicode/unistr.h"
+#include "unicode/testtype.h"
+
+/** Facilitates internal logging of data driven test service 
+ *  It would be interesting to develop this into a full      
+ *  fledged control system as in Java.                       
+ */
+class T_CTEST_EXPORT_API TestLog {
+public:
+    virtual ~TestLog();
+    virtual void errln( const UnicodeString &message ) = 0;
+    virtual void logln( const UnicodeString &message ) = 0;
+    virtual void dataerrln( const UnicodeString &message ) = 0;
+    virtual const char* getTestDataPath(UErrorCode& err) = 0;
+};
+
+class T_CTEST_EXPORT_API IcuTestErrorCode : public ErrorCode {
+public:
+    IcuTestErrorCode(TestLog &callingTestClass, const char *callingTestName)
+            : testClass(callingTestClass), testName(callingTestName), scopeMessage() {}
+    virtual ~IcuTestErrorCode();
+
+    // Returns true if isFailure().
+    UBool errIfFailureAndReset();
+    UBool errIfFailureAndReset(const char *fmt, ...);
+    UBool errDataIfFailureAndReset();
+    UBool errDataIfFailureAndReset(const char *fmt, ...);
+    UBool expectErrorAndReset(UErrorCode expectedError);
+    UBool expectErrorAndReset(UErrorCode expectedError, const char *fmt, ...);
+
+    /** Sets an additional message string to be appended to failure output. */
+    void setScope(const char* message);
+    void setScope(const UnicodeString& message);
+
+protected:
+    virtual void handleFailure() const override;
+
+private:
+    TestLog &testClass;
+    const char *const testName;
+    UnicodeString scopeMessage;
+
+    void errlog(UBool dataErr, const UnicodeString& mainMessage, const char* extraMessage) const;
+};
+
+#endif