lib/icu/Converter: Create() throws exception on error

test/TestIcu.cxx

@@ -13,6 +13,8 @@
 #include <cppunit/ui/text/TestRunner.h>
 #include <cppunit/extensions/HelperMacros.h>
 
+#include <stdexcept>
+
 #include <string.h>
 #include <stdlib.h>
 
@@ -39,14 +41,16 @@ class TestIcuConverter : public CppUnit::TestFixture {
 
 public:
 	void TestInvalidCharset() {
-		CPPUNIT_ASSERT_EQUAL((IcuConverter *)nullptr,
-				     IcuConverter::Create("doesntexist",
-							  IgnoreError()));
+		try {
+			IcuConverter::Create("doesntexist");
+			CPPUNIT_FAIL("Exception expected");
+		} catch (const std::runtime_error &) {
+		}
 	}
 
 	void TestLatin1() {
 		IcuConverter *const converter =
-			IcuConverter::Create("iso-8859-1", IgnoreError());
+			IcuConverter::Create("iso-8859-1");
 		CPPUNIT_ASSERT(converter != nullptr);
 
 		for (const auto i : invalid_utf8) {