@@ -766,13 +766,13 @@ public void Concat_StringPlusCodepoint(string? testString, UCodepoint toConcat,
766766 {
767767 UString ? us = testString != null ? new UString ( testString ) : null ;
768768 UString expectedUs = new ( expectedResults ) ;
769- Assert . AreEqual ( UString . Concat ( us , toConcat ) , expectedUs ) ;
770- Assert . AreEqual ( us + toConcat , expectedUs ) ;
769+ Assert . AreEqual ( expectedUs , UString . Concat ( us , toConcat ) ) ;
770+ Assert . AreEqual ( expectedUs , us + toConcat ) ;
771771
772772 // Test making sure that a substring results in the correct result
773773 us = CreateTestSubstring ( testString ) ;
774- Assert . AreEqual ( UString . Concat ( us , toConcat ) , expectedUs ) ;
775- Assert . AreEqual ( us + toConcat , expectedUs ) ;
774+ Assert . AreEqual ( expectedUs , UString . Concat ( us , toConcat ) ) ;
775+ Assert . AreEqual ( expectedUs , us + toConcat ) ;
776776 }
777777
778778 private static IEnumerable < object ? [ ] > ConcatCodepointPlusStringTestData =>
@@ -790,13 +790,13 @@ public void Concat_CodepointPlusString(string? testString, UCodepoint toConcat,
790790 {
791791 UString ? us = testString != null ? new UString ( testString ) : null ;
792792 UString expectedUs = new ( expectedResults ) ;
793- Assert . AreEqual ( UString . Concat ( toConcat , us ) , expectedUs ) ;
794- Assert . AreEqual ( toConcat + us , expectedUs ) ;
793+ Assert . AreEqual ( expectedUs , UString . Concat ( toConcat , us ) ) ;
794+ Assert . AreEqual ( expectedUs , toConcat + us ) ;
795795
796796 // Test making sure that a substring results in the correct result
797797 us = CreateTestSubstring ( testString ) ;
798- Assert . AreEqual ( UString . Concat ( toConcat , us ) , expectedUs ) ;
799- Assert . AreEqual ( toConcat + us , expectedUs ) ;
798+ Assert . AreEqual ( expectedUs , UString . Concat ( toConcat , us ) ) ;
799+ Assert . AreEqual ( expectedUs , toConcat + us ) ;
800800 }
801801
802802 private static IEnumerable < object ? [ ] > ConcatStringPlusStringTestData =>
@@ -818,14 +818,14 @@ public void Concat_StringPlusString(string? str1, string? str2, string expectedR
818818 UString ? us1 = str1 != null ? new UString ( str1 ) : null ;
819819 UString ? us2 = str2 != null ? new UString ( str2 ) : null ;
820820 UString expectedUs = new ( expectedResults ) ;
821- Assert . AreEqual ( UString . Concat ( us1 , us2 ) , expectedUs ) ;
822- Assert . AreEqual ( us1 + us2 , expectedUs ) ;
821+ Assert . AreEqual ( expectedUs , UString . Concat ( us1 , us2 ) ) ;
822+ Assert . AreEqual ( expectedUs , us1 + us2 ) ;
823823
824824 // Test making sure that a substring results in the correct result
825825 us1 = CreateTestSubstring ( str1 ) ;
826826 us2 = CreateTestSubstring ( str2 ) ;
827- Assert . AreEqual ( UString . Concat ( us1 , us2 ) , expectedUs ) ;
828- Assert . AreEqual ( us1 + us2 , expectedUs ) ;
827+ Assert . AreEqual ( expectedUs , UString . Concat ( us1 , us2 ) ) ;
828+ Assert . AreEqual ( expectedUs , us1 + us2 ) ;
829829 }
830830
831831 private static IEnumerable < object ? [ ] > ConcatStringPlusStringStringTestData =>
@@ -849,15 +849,15 @@ public void Concat_StringPlusStringString(string? str1, string? str2, string? st
849849 UString ? us2 = str2 != null ? new UString ( str2 ) : null ;
850850 UString ? us3 = str3 != null ? new UString ( str3 ) : null ;
851851 UString expectedUs = new ( expectedResults ) ;
852- Assert . AreEqual ( UString . Concat ( us1 , us2 , us3 ) , expectedUs ) ;
853- Assert . AreEqual ( us1 + us2 + us3 , expectedUs ) ;
852+ Assert . AreEqual ( expectedUs , UString . Concat ( us1 , us2 , us3 ) ) ;
853+ Assert . AreEqual ( expectedUs , us1 + us2 + us3 ) ;
854854
855855 // Test making sure that a substring results in the correct result
856856 us1 = CreateTestSubstring ( str1 ) ;
857857 us2 = CreateTestSubstring ( str2 ) ;
858858 us3 = CreateTestSubstring ( str3 ) ;
859- Assert . AreEqual ( UString . Concat ( us1 , us2 , us3 ) , expectedUs ) ;
860- Assert . AreEqual ( us1 + us2 + us3 , expectedUs ) ;
859+ Assert . AreEqual ( expectedUs , UString . Concat ( us1 , us2 , us3 ) ) ;
860+ Assert . AreEqual ( expectedUs , us1 + us2 + us3 ) ;
861861 }
862862
863863 private static IEnumerable < object ? [ ] > ConcatStringPlusStringStringStringTestData =>
@@ -883,16 +883,16 @@ public void Concat_StringPlusStringStringString(string? str1, string? str2, stri
883883 UString ? us3 = str3 != null ? new UString ( str3 ) : null ;
884884 UString ? us4 = str4 != null ? new UString ( str4 ) : null ;
885885 UString expectedUs = new ( expectedResults ) ;
886- Assert . AreEqual ( UString . Concat ( us1 , us2 , us3 , us4 ) , expectedUs ) ;
887- Assert . AreEqual ( us1 + us2 + us3 + us4 , expectedUs ) ;
886+ Assert . AreEqual ( expectedUs , UString . Concat ( us1 , us2 , us3 , us4 ) ) ;
887+ Assert . AreEqual ( expectedUs , us1 + us2 + us3 + us4 ) ;
888888
889889 // Test making sure that a substring results in the correct result
890890 us1 = CreateTestSubstring ( str1 ) ;
891891 us2 = CreateTestSubstring ( str2 ) ;
892892 us3 = CreateTestSubstring ( str3 ) ;
893893 us4 = CreateTestSubstring ( str4 ) ;
894- Assert . AreEqual ( UString . Concat ( us1 , us2 , us3 , us4 ) , expectedUs ) ;
895- Assert . AreEqual ( us1 + us2 + us3 + us4 , expectedUs ) ;
894+ Assert . AreEqual ( expectedUs , UString . Concat ( us1 , us2 , us3 , us4 ) ) ;
895+ Assert . AreEqual ( expectedUs , us1 + us2 + us3 + us4 ) ;
896896 }
897897
898898 private static IEnumerable < object [ ] > ConcatStringListTestData =>
@@ -912,11 +912,11 @@ public void Concat_StringPlusStringStringString(string? str1, string? str2, stri
912912 public void Concat_StringList ( string ? [ ] strings , string expectedResults )
913913 {
914914 UString expectedUs = new ( expectedResults ) ;
915- Assert . AreEqual ( UString . Concat ( strings . Select ( s => s != null ? new UString ( s ) : null ) . ToArray ( ) ) ,
916- expectedUs ) ;
915+ Assert . AreEqual ( expectedUs ,
916+ UString . Concat ( strings . Select ( s => s != null ? new UString ( s ) : null ) . ToArray ( ) ) ) ;
917917
918918 // Test making sure that a substring results in the correct result
919- Assert . AreEqual ( UString . Concat ( strings . Select ( CreateTestSubstring ) . ToArray ( ) ) , expectedUs ) ;
919+ Assert . AreEqual ( expectedUs , UString . Concat ( strings . Select ( CreateTestSubstring ) . ToArray ( ) ) ) ;
920920 }
921921 #endregion
922922
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