testIndexOf test failure

On page 24 of Squeak by Example it says to run the tests in
CollectionsTest-Text, including a newly-defined method, testShout. In a fresh
Squeak 3.9 I get an unexpected assertion failure for StringTest>>#TestIndexOf,
which is defined as.

testIndexOf
       
        "test for http://bugs.impara.de/view.php?id=3574"
        self assert: ('abc-' asWideString indexOfAnyOf: (CharacterSet newFrom: '
-0123456789')) = 4.
        self assert: ('ab7' asWideString indexOfAnyOf: (CharacterSet newFrom: '
-0123456789')) = 3.
        self assert: ('a2c' asWideString indexOfAnyOf: (CharacterSet newFrom: '
-0123456789')) = 2.
        self assert: ('3bc' asWideString indexOfAnyOf: (CharacterSet newFrom: '
-0123456789')) = 1.
        self assert: ('abc' asWideString indexOfAnyOf: (CharacterSet newFrom: '
-0123456789')) = 0.
       
        "extension to wide characters"
        self assert: ((String with: 803 asCharacter with: 811 asCharacter)
indexOfAnyOf: (CharacterSet newFrom: (String with: 811 asCharacter with: 812
asCharacter))) = 2.
       
        self assert: ('abc' indexOfAnyOf: (CharacterSet newFrom: (String with: 811
asCharacter with: 812 asCharacter))) = 0.
       
        self assert: ('abc' indexOfAnyOf: (CharacterSet newFrom: (String with: 811
asCharacter with: $c))) = 3.


I don't know how to copy the error messages from the TestFailure window. I have
not yet started to learn the debugger, so I am at a lost to find out more.

Any suggestions?

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On 12-08-25 4:51 PM, Edward Mokurai Cherlin wrote: Skip ahead to section 6.5 at page 135 and look around about the
Debugger. That should make it clearer.

Chris
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