Update outdated tests for stringifying characters

Previously the tests relied purely on output changes in approvals.
Now the stringification output is checked directly as part of the
unit tests.

tests/SelfTest/Baselines/compact.sw.approved.txt

@@ -350,20 +350,16 @@ Details.tests.cpp:<line number>: passed: lt( "a", "b" ) for: true
 Details.tests.cpp:<line number>: passed: lt( "a", "B" ) for: true
 Details.tests.cpp:<line number>: passed: lt( "A", "b" ) for: true
 Details.tests.cpp:<line number>: passed: lt( "A", "B" ) for: true
-ToStringGeneral.tests.cpp:<line number>: passed: tab == '\t' for: '\t' == '\t'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify('\t') == "'\\t'" for: "'\t'" == "'\t'"
-ToStringGeneral.tests.cpp:<line number>: passed: newline == '\n' for: '\n' == '\n'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify('\n') == "'\\n'" for: "'\n'" == "'\n'"
-ToStringGeneral.tests.cpp:<line number>: passed: carr_return == '\r' for: '\r' == '\r'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify('\r') == "'\\r'" for: "'\r'" == "'\r'"
-ToStringGeneral.tests.cpp:<line number>: passed: form_feed == '\f' for: '\f' == '\f'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify('\f') == "'\\f'" for: "'\f'" == "'\f'"
-ToStringGeneral.tests.cpp:<line number>: passed: space == ' ' for: ' ' == ' '
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( ' ' ) == "' '" for: "' '" == "' '"
-ToStringGeneral.tests.cpp:<line number>: passed: c == chars[i] for: 'a' == 'a'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( 'A' ) == "'A'" for: "'A'" == "'A'"
-ToStringGeneral.tests.cpp:<line number>: passed: c == chars[i] for: 'z' == 'z'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( 'z' ) == "'z'" for: "'z'" == "'z'"
-ToStringGeneral.tests.cpp:<line number>: passed: c == chars[i] for: 'A' == 'A'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( '\0' ) == "0" for: "0" == "0"
-ToStringGeneral.tests.cpp:<line number>: passed: c == chars[i] for: 'Z' == 'Z'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( static_cast<char>(2) ) == "2" for: "2" == "2"
-ToStringGeneral.tests.cpp:<line number>: passed: null_terminator == '\0' for: 0 == 0
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( static_cast<char>(5) ) == "5" for: "5" == "5"
-ToStringGeneral.tests.cpp:<line number>: passed: c == i for: 2 == 2
-ToStringGeneral.tests.cpp:<line number>: passed: c == i for: 3 == 3
-ToStringGeneral.tests.cpp:<line number>: passed: c == i for: 4 == 4
-ToStringGeneral.tests.cpp:<line number>: passed: c == i for: 5 == 5
 Clara.tests.cpp:<line number>: passed: name.empty() for: true
 Clara.tests.cpp:<line number>: passed: name == "foo" for: "foo" == "foo"
 Clara.tests.cpp:<line number>: passed: !(parse_result) for: !{?}
@@ -2690,6 +2686,6 @@ InternalBenchmark.tests.cpp:<line number>: passed: q3 == 23. for: 23.0 == 23.0
 Misc.tests.cpp:<line number>: passed:
 Misc.tests.cpp:<line number>: passed:
 test cases:  417 |  312 passed |  85 failed | 6 skipped | 14 failed as expected
-assertions: 2260 | 2079 passed | 146 failed | 35 failed as expected
+assertions: 2256 | 2075 passed | 146 failed | 35 failed as expected
 
 

tests/SelfTest/Baselines/compact.sw.multi.approved.txt

@@ -348,20 +348,16 @@ Details.tests.cpp:<line number>: passed: lt( "a", "b" ) for: true
 Details.tests.cpp:<line number>: passed: lt( "a", "B" ) for: true
 Details.tests.cpp:<line number>: passed: lt( "A", "b" ) for: true
 Details.tests.cpp:<line number>: passed: lt( "A", "B" ) for: true
-ToStringGeneral.tests.cpp:<line number>: passed: tab == '\t' for: '\t' == '\t'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify('\t') == "'\\t'" for: "'\t'" == "'\t'"
-ToStringGeneral.tests.cpp:<line number>: passed: newline == '\n' for: '\n' == '\n'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify('\n') == "'\\n'" for: "'\n'" == "'\n'"
-ToStringGeneral.tests.cpp:<line number>: passed: carr_return == '\r' for: '\r' == '\r'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify('\r') == "'\\r'" for: "'\r'" == "'\r'"
-ToStringGeneral.tests.cpp:<line number>: passed: form_feed == '\f' for: '\f' == '\f'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify('\f') == "'\\f'" for: "'\f'" == "'\f'"
-ToStringGeneral.tests.cpp:<line number>: passed: space == ' ' for: ' ' == ' '
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( ' ' ) == "' '" for: "' '" == "' '"
-ToStringGeneral.tests.cpp:<line number>: passed: c == chars[i] for: 'a' == 'a'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( 'A' ) == "'A'" for: "'A'" == "'A'"
-ToStringGeneral.tests.cpp:<line number>: passed: c == chars[i] for: 'z' == 'z'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( 'z' ) == "'z'" for: "'z'" == "'z'"
-ToStringGeneral.tests.cpp:<line number>: passed: c == chars[i] for: 'A' == 'A'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( '\0' ) == "0" for: "0" == "0"
-ToStringGeneral.tests.cpp:<line number>: passed: c == chars[i] for: 'Z' == 'Z'
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( static_cast<char>(2) ) == "2" for: "2" == "2"
-ToStringGeneral.tests.cpp:<line number>: passed: null_terminator == '\0' for: 0 == 0
+ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify( static_cast<char>(5) ) == "5" for: "5" == "5"
-ToStringGeneral.tests.cpp:<line number>: passed: c == i for: 2 == 2
-ToStringGeneral.tests.cpp:<line number>: passed: c == i for: 3 == 3
-ToStringGeneral.tests.cpp:<line number>: passed: c == i for: 4 == 4
-ToStringGeneral.tests.cpp:<line number>: passed: c == i for: 5 == 5
 Clara.tests.cpp:<line number>: passed: name.empty() for: true
 Clara.tests.cpp:<line number>: passed: name == "foo" for: "foo" == "foo"
 Clara.tests.cpp:<line number>: passed: !(parse_result) for: !{?}
@@ -2679,6 +2675,6 @@ InternalBenchmark.tests.cpp:<line number>: passed: q3 == 23. for: 23.0 == 23.0
 Misc.tests.cpp:<line number>: passed:
 Misc.tests.cpp:<line number>: passed:
 test cases:  417 |  312 passed |  85 failed | 6 skipped | 14 failed as expected
-assertions: 2260 | 2079 passed | 146 failed | 35 failed as expected
+assertions: 2256 | 2075 passed | 146 failed | 35 failed as expected
 
 

tests/SelfTest/Baselines/console.std.approved.txt

@@ -1589,5 +1589,5 @@ due to unexpected exception with message:
 
 ===============================================================================
 test cases:  417 |  326 passed |  70 failed | 7 skipped | 14 failed as expected
-assertions: 2243 | 2079 passed | 129 failed | 35 failed as expected
+assertions: 2239 | 2075 passed | 129 failed | 35 failed as expected
 

tests/SelfTest/Baselines/console.sw.approved.txt

@@ -2904,24 +2904,24 @@ ToStringGeneral.tests.cpp:<line number>
 ...............................................................................
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( tab == '\t' )
+  CHECK( ::Catch::Detail::stringify('\t') == "'\\t'" )
 with expansion:
-  '\t' == '\t'
+  "'\t'" == "'\t'"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( newline == '\n' )
+  CHECK( ::Catch::Detail::stringify('\n') == "'\\n'" )
 with expansion:
-  '\n' == '\n'
+  "'\n'" == "'\n'"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( carr_return == '\r' )
+  CHECK( ::Catch::Detail::stringify('\r') == "'\\r'" )
 with expansion:
-  '\r' == '\r'
+  "'\r'" == "'\r'"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( form_feed == '\f' )
+  CHECK( ::Catch::Detail::stringify('\f') == "'\\f'" )
 with expansion:
-  '\f' == '\f'
+  "'\f'" == "'\f'"
 
 -------------------------------------------------------------------------------
 Character pretty printing
@@ -2931,29 +2931,19 @@ ToStringGeneral.tests.cpp:<line number>
 ...............................................................................
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( space == ' ' )
+  CHECK( ::Catch::Detail::stringify( ' ' ) == "' '" )
 with expansion:
-  ' ' == ' '
+  "' '" == "' '"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == chars[i] )
+  CHECK( ::Catch::Detail::stringify( 'A' ) == "'A'" )
 with expansion:
-  'a' == 'a'
+  "'A'" == "'A'"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == chars[i] )
+  CHECK( ::Catch::Detail::stringify( 'z' ) == "'z'" )
 with expansion:
-  'z' == 'z'
+  "'z'" == "'z'"
-
-ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == chars[i] )
-with expansion:
-  'A' == 'A'
-
-ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == chars[i] )
-with expansion:
-  'Z' == 'Z'
 
 -------------------------------------------------------------------------------
 Character pretty printing
@@ -2963,29 +2953,19 @@ ToStringGeneral.tests.cpp:<line number>
 ...............................................................................
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( null_terminator == '\0' )
+  CHECK( ::Catch::Detail::stringify( '\0' ) == "0" )
 with expansion:
-  0 == 0
+  "0" == "0"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == i )
+  CHECK( ::Catch::Detail::stringify( static_cast<char>(2) ) == "2" )
 with expansion:
-  2 == 2
+  "2" == "2"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == i )
+  CHECK( ::Catch::Detail::stringify( static_cast<char>(5) ) == "5" )
 with expansion:
-  3 == 3
+  "5" == "5"
-
-ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == i )
-with expansion:
-  4 == 4
-
-ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == i )
-with expansion:
-  5 == 5
 
 -------------------------------------------------------------------------------
 Clara::Arg supports single-arg parse the way Opt does
@@ -18752,5 +18732,5 @@ Misc.tests.cpp:<line number>: PASSED:
 
 ===============================================================================
 test cases:  417 |  312 passed |  85 failed | 6 skipped | 14 failed as expected
-assertions: 2260 | 2079 passed | 146 failed | 35 failed as expected
+assertions: 2256 | 2075 passed | 146 failed | 35 failed as expected
 

tests/SelfTest/Baselines/console.sw.multi.approved.txt

@@ -2902,24 +2902,24 @@ ToStringGeneral.tests.cpp:<line number>
 ...............................................................................
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( tab == '\t' )
+  CHECK( ::Catch::Detail::stringify('\t') == "'\\t'" )
 with expansion:
-  '\t' == '\t'
+  "'\t'" == "'\t'"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( newline == '\n' )
+  CHECK( ::Catch::Detail::stringify('\n') == "'\\n'" )
 with expansion:
-  '\n' == '\n'
+  "'\n'" == "'\n'"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( carr_return == '\r' )
+  CHECK( ::Catch::Detail::stringify('\r') == "'\\r'" )
 with expansion:
-  '\r' == '\r'
+  "'\r'" == "'\r'"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( form_feed == '\f' )
+  CHECK( ::Catch::Detail::stringify('\f') == "'\\f'" )
 with expansion:
-  '\f' == '\f'
+  "'\f'" == "'\f'"
 
 -------------------------------------------------------------------------------
 Character pretty printing
@@ -2929,29 +2929,19 @@ ToStringGeneral.tests.cpp:<line number>
 ...............................................................................
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( space == ' ' )
+  CHECK( ::Catch::Detail::stringify( ' ' ) == "' '" )
 with expansion:
-  ' ' == ' '
+  "' '" == "' '"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == chars[i] )
+  CHECK( ::Catch::Detail::stringify( 'A' ) == "'A'" )
 with expansion:
-  'a' == 'a'
+  "'A'" == "'A'"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == chars[i] )
+  CHECK( ::Catch::Detail::stringify( 'z' ) == "'z'" )
 with expansion:
-  'z' == 'z'
+  "'z'" == "'z'"
-
-ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == chars[i] )
-with expansion:
-  'A' == 'A'
-
-ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == chars[i] )
-with expansion:
-  'Z' == 'Z'
 
 -------------------------------------------------------------------------------
 Character pretty printing
@@ -2961,29 +2951,19 @@ ToStringGeneral.tests.cpp:<line number>
 ...............................................................................
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  CHECK( null_terminator == '\0' )
+  CHECK( ::Catch::Detail::stringify( '\0' ) == "0" )
 with expansion:
-  0 == 0
+  "0" == "0"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == i )
+  CHECK( ::Catch::Detail::stringify( static_cast<char>(2) ) == "2" )
 with expansion:
-  2 == 2
+  "2" == "2"
 
 ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == i )
+  CHECK( ::Catch::Detail::stringify( static_cast<char>(5) ) == "5" )
 with expansion:
-  3 == 3
+  "5" == "5"
-
-ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == i )
-with expansion:
-  4 == 4
-
-ToStringGeneral.tests.cpp:<line number>: PASSED:
-  REQUIRE( c == i )
-with expansion:
-  5 == 5
 
 -------------------------------------------------------------------------------
 Clara::Arg supports single-arg parse the way Opt does
@@ -18741,5 +18721,5 @@ Misc.tests.cpp:<line number>: PASSED:
 
 ===============================================================================
 test cases:  417 |  312 passed |  85 failed | 6 skipped | 14 failed as expected
-assertions: 2260 | 2079 passed | 146 failed | 35 failed as expected
+assertions: 2256 | 2075 passed | 146 failed | 35 failed as expected
 

tests/SelfTest/Baselines/junit.sw.approved.txt

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <testsuitesloose text artifact
 >
-  <testsuite name="<exe-name>" errors="17" failures="129" skipped="12" tests="2272" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
+  <testsuite name="<exe-name>" errors="17" failures="129" skipped="12" tests="2268" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
     <properties>
       <property name="random-seed" value="1"/>
       <property name="filters" value="&quot;*&quot; ~[!nonportable] ~[!benchmark] ~[approvals]"/>

tests/SelfTest/Baselines/junit.sw.multi.approved.txt

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <testsuites>
-  <testsuite name="<exe-name>" errors="17" failures="129" skipped="12" tests="2272" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
+  <testsuite name="<exe-name>" errors="17" failures="129" skipped="12" tests="2268" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
     <properties>
       <property name="random-seed" value="1"/>
       <property name="filters" value="&quot;*&quot; ~[!nonportable] ~[!benchmark] ~[approvals]"/>

tests/SelfTest/Baselines/tap.sw.approved.txt

@@ -697,33 +697,25 @@ ok {test-number} - lt( "A", "b" ) for: true
 # CaseInsensitiveLess is case insensitive
 ok {test-number} - lt( "A", "B" ) for: true
 # Character pretty printing
-ok {test-number} - tab == '\t' for: '\t' == '\t'
+ok {test-number} - ::Catch::Detail::stringify('\t') == "'\\t'" for: "'\t'" == "'\t'"
 # Character pretty printing
-ok {test-number} - newline == '\n' for: '\n' == '\n'
+ok {test-number} - ::Catch::Detail::stringify('\n') == "'\\n'" for: "'\n'" == "'\n'"
 # Character pretty printing
-ok {test-number} - carr_return == '\r' for: '\r' == '\r'
+ok {test-number} - ::Catch::Detail::stringify('\r') == "'\\r'" for: "'\r'" == "'\r'"
 # Character pretty printing
-ok {test-number} - form_feed == '\f' for: '\f' == '\f'
+ok {test-number} - ::Catch::Detail::stringify('\f') == "'\\f'" for: "'\f'" == "'\f'"
 # Character pretty printing
-ok {test-number} - space == ' ' for: ' ' == ' '
+ok {test-number} - ::Catch::Detail::stringify( ' ' ) == "' '" for: "' '" == "' '"
 # Character pretty printing
-ok {test-number} - c == chars[i] for: 'a' == 'a'
+ok {test-number} - ::Catch::Detail::stringify( 'A' ) == "'A'" for: "'A'" == "'A'"
 # Character pretty printing
-ok {test-number} - c == chars[i] for: 'z' == 'z'
+ok {test-number} - ::Catch::Detail::stringify( 'z' ) == "'z'" for: "'z'" == "'z'"
 # Character pretty printing
-ok {test-number} - c == chars[i] for: 'A' == 'A'
+ok {test-number} - ::Catch::Detail::stringify( '\0' ) == "0" for: "0" == "0"
 # Character pretty printing
-ok {test-number} - c == chars[i] for: 'Z' == 'Z'
+ok {test-number} - ::Catch::Detail::stringify( static_cast<char>(2) ) == "2" for: "2" == "2"
 # Character pretty printing
-ok {test-number} - null_terminator == '\0' for: 0 == 0
+ok {test-number} - ::Catch::Detail::stringify( static_cast<char>(5) ) == "5" for: "5" == "5"
-# Character pretty printing
-ok {test-number} - c == i for: 2 == 2
-# Character pretty printing
-ok {test-number} - c == i for: 3 == 3
-# Character pretty printing
-ok {test-number} - c == i for: 4 == 4
-# Character pretty printing
-ok {test-number} - c == i for: 5 == 5
 # Clara::Arg supports single-arg parse the way Opt does
 ok {test-number} - name.empty() for: true
 # Clara::Arg supports single-arg parse the way Opt does
@@ -4549,5 +4541,5 @@ ok {test-number} - q3 == 23. for: 23.0 == 23.0
 ok {test-number} -
 # xmlentitycheck
 ok {test-number} -
-1..2272
+1..2268
 

tests/SelfTest/Baselines/tap.sw.multi.approved.txt

@@ -695,33 +695,25 @@ ok {test-number} - lt( "A", "b" ) for: true
 # CaseInsensitiveLess is case insensitive
 ok {test-number} - lt( "A", "B" ) for: true
 # Character pretty printing
-ok {test-number} - tab == '\t' for: '\t' == '\t'
+ok {test-number} - ::Catch::Detail::stringify('\t') == "'\\t'" for: "'\t'" == "'\t'"
 # Character pretty printing
-ok {test-number} - newline == '\n' for: '\n' == '\n'
+ok {test-number} - ::Catch::Detail::stringify('\n') == "'\\n'" for: "'\n'" == "'\n'"
 # Character pretty printing
-ok {test-number} - carr_return == '\r' for: '\r' == '\r'
+ok {test-number} - ::Catch::Detail::stringify('\r') == "'\\r'" for: "'\r'" == "'\r'"
 # Character pretty printing
-ok {test-number} - form_feed == '\f' for: '\f' == '\f'
+ok {test-number} - ::Catch::Detail::stringify('\f') == "'\\f'" for: "'\f'" == "'\f'"
 # Character pretty printing
-ok {test-number} - space == ' ' for: ' ' == ' '
+ok {test-number} - ::Catch::Detail::stringify( ' ' ) == "' '" for: "' '" == "' '"
 # Character pretty printing
-ok {test-number} - c == chars[i] for: 'a' == 'a'
+ok {test-number} - ::Catch::Detail::stringify( 'A' ) == "'A'" for: "'A'" == "'A'"
 # Character pretty printing
-ok {test-number} - c == chars[i] for: 'z' == 'z'
+ok {test-number} - ::Catch::Detail::stringify( 'z' ) == "'z'" for: "'z'" == "'z'"
 # Character pretty printing
-ok {test-number} - c == chars[i] for: 'A' == 'A'
+ok {test-number} - ::Catch::Detail::stringify( '\0' ) == "0" for: "0" == "0"
 # Character pretty printing
-ok {test-number} - c == chars[i] for: 'Z' == 'Z'
+ok {test-number} - ::Catch::Detail::stringify( static_cast<char>(2) ) == "2" for: "2" == "2"
 # Character pretty printing
-ok {test-number} - null_terminator == '\0' for: 0 == 0
+ok {test-number} - ::Catch::Detail::stringify( static_cast<char>(5) ) == "5" for: "5" == "5"
-# Character pretty printing
-ok {test-number} - c == i for: 2 == 2
-# Character pretty printing
-ok {test-number} - c == i for: 3 == 3
-# Character pretty printing
-ok {test-number} - c == i for: 4 == 4
-# Character pretty printing
-ok {test-number} - c == i for: 5 == 5
 # Clara::Arg supports single-arg parse the way Opt does
 ok {test-number} - name.empty() for: true
 # Clara::Arg supports single-arg parse the way Opt does
@@ -4538,5 +4530,5 @@ ok {test-number} - q3 == 23. for: 23.0 == 23.0
 ok {test-number} -
 # xmlentitycheck
 ok {test-number} -
-1..2272
+1..2268
 

tests/SelfTest/Baselines/xml.sw.approved.txt

@@ -3142,34 +3142,34 @@ Nor would this
     <Section name="Specifically escaped" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          tab == '\t'
+          ::Catch::Detail::stringify('\t') == "'\\t'"
         </Original>
         <Expanded>
-          '\t' == '\t'
+          "'\t'" == "'\t'"
         </Expanded>
       </Expression>
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          newline == '\n'
+          ::Catch::Detail::stringify('\n') == "'\\n'"
         </Original>
         <Expanded>
-          '\n' == '\n'
+          "'\n'" == "'\n'"
         </Expanded>
       </Expression>
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          carr_return == '\r'
+          ::Catch::Detail::stringify('\r') == "'\\r'"
         </Original>
         <Expanded>
-          '\r' == '\r'
+          "'\r'" == "'\r'"
         </Expanded>
       </Expression>
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          form_feed == '\f'
+          ::Catch::Detail::stringify('\f') == "'\\f'"
         </Original>
         <Expanded>
-          '\f' == '\f'
+          "'\f'" == "'\f'"
         </Expanded>
       </Expression>
       <OverallResults successes="4" failures="0" expectedFailures="0" skipped="false"/>
@@ -3177,88 +3177,56 @@ Nor would this
     <Section name="General chars" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          space == ' '
+          ::Catch::Detail::stringify( ' ' ) == "' '"
         </Original>
         <Expanded>
-          ' ' == ' '
+          "' '" == "' '"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          c == chars[i]
+          ::Catch::Detail::stringify( 'A' ) == "'A'"
         </Original>
         <Expanded>
-          'a' == 'a'
+          "'A'" == "'A'"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          c == chars[i]
+          ::Catch::Detail::stringify( 'z' ) == "'z'"
         </Original>
         <Expanded>
-          'z' == 'z'
+          "'z'" == "'z'"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <OverallResults successes="3" failures="0" expectedFailures="0" skipped="false"/>
-        <Original>
-          c == chars[i]
-        </Original>
-        <Expanded>
-          'A' == 'A'
-        </Expanded>
-      </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
-        <Original>
-          c == chars[i]
-        </Original>
-        <Expanded>
-          'Z' == 'Z'
-        </Expanded>
-      </Expression>
-      <OverallResults successes="5" failures="0" expectedFailures="0" skipped="false"/>
     </Section>
     <Section name="Low ASCII" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          null_terminator == '\0'
+          ::Catch::Detail::stringify( '\0' ) == "0"
         </Original>
         <Expanded>
-          0 == 0
+          "0" == "0"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          c == i
+          ::Catch::Detail::stringify( static_cast&lt;char>(2) ) == "2"
         </Original>
         <Expanded>
-          2 == 2
+          "2" == "2"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          c == i
+          ::Catch::Detail::stringify( static_cast&lt;char>(5) ) == "5"
         </Original>
         <Expanded>
-          3 == 3
+          "5" == "5"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <OverallResults successes="3" failures="0" expectedFailures="0" skipped="false"/>
-        <Original>
-          c == i
-        </Original>
-        <Expanded>
-          4 == 4
-        </Expanded>
-      </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
-        <Original>
-          c == i
-        </Original>
-        <Expanded>
-          5 == 5
-        </Expanded>
-      </Expression>
-      <OverallResults successes="5" failures="0" expectedFailures="0" skipped="false"/>
     </Section>
     <OverallResult success="true" skips="0"/>
   </TestCase>
@@ -21707,6 +21675,6 @@ b1!
     </Section>
     <OverallResult success="true" skips="0"/>
   </TestCase>
-  <OverallResults successes="2079" failures="146" expectedFailures="35" skips="12"/>
+  <OverallResults successes="2075" failures="146" expectedFailures="35" skips="12"/>
   <OverallResultsCases successes="312" failures="85" expectedFailures="14" skips="6"/>
 </Catch2TestRun>

tests/SelfTest/Baselines/xml.sw.multi.approved.txt

@@ -3142,34 +3142,34 @@ Nor would this
     <Section name="Specifically escaped" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          tab == '\t'
+          ::Catch::Detail::stringify('\t') == "'\\t'"
         </Original>
         <Expanded>
-          '\t' == '\t'
+          "'\t'" == "'\t'"
         </Expanded>
       </Expression>
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          newline == '\n'
+          ::Catch::Detail::stringify('\n') == "'\\n'"
         </Original>
         <Expanded>
-          '\n' == '\n'
+          "'\n'" == "'\n'"
         </Expanded>
       </Expression>
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          carr_return == '\r'
+          ::Catch::Detail::stringify('\r') == "'\\r'"
         </Original>
         <Expanded>
-          '\r' == '\r'
+          "'\r'" == "'\r'"
         </Expanded>
       </Expression>
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          form_feed == '\f'
+          ::Catch::Detail::stringify('\f') == "'\\f'"
         </Original>
         <Expanded>
-          '\f' == '\f'
+          "'\f'" == "'\f'"
         </Expanded>
       </Expression>
       <OverallResults successes="4" failures="0" expectedFailures="0" skipped="false"/>
@@ -3177,88 +3177,56 @@ Nor would this
     <Section name="General chars" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          space == ' '
+          ::Catch::Detail::stringify( ' ' ) == "' '"
         </Original>
         <Expanded>
-          ' ' == ' '
+          "' '" == "' '"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          c == chars[i]
+          ::Catch::Detail::stringify( 'A' ) == "'A'"
         </Original>
         <Expanded>
-          'a' == 'a'
+          "'A'" == "'A'"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          c == chars[i]
+          ::Catch::Detail::stringify( 'z' ) == "'z'"
         </Original>
         <Expanded>
-          'z' == 'z'
+          "'z'" == "'z'"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <OverallResults successes="3" failures="0" expectedFailures="0" skipped="false"/>
-        <Original>
-          c == chars[i]
-        </Original>
-        <Expanded>
-          'A' == 'A'
-        </Expanded>
-      </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
-        <Original>
-          c == chars[i]
-        </Original>
-        <Expanded>
-          'Z' == 'Z'
-        </Expanded>
-      </Expression>
-      <OverallResults successes="5" failures="0" expectedFailures="0" skipped="false"/>
     </Section>
     <Section name="Low ASCII" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
       <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          null_terminator == '\0'
+          ::Catch::Detail::stringify( '\0' ) == "0"
         </Original>
         <Expanded>
-          0 == 0
+          "0" == "0"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          c == i
+          ::Catch::Detail::stringify( static_cast&lt;char>(2) ) == "2"
         </Original>
         <Expanded>
-          2 == 2
+          "2" == "2"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <Expression success="true" type="CHECK" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
         <Original>
-          c == i
+          ::Catch::Detail::stringify( static_cast&lt;char>(5) ) == "5"
         </Original>
         <Expanded>
-          3 == 3
+          "5" == "5"
         </Expanded>
       </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
+      <OverallResults successes="3" failures="0" expectedFailures="0" skipped="false"/>
-        <Original>
-          c == i
-        </Original>
-        <Expanded>
-          4 == 4
-        </Expanded>
-      </Expression>
-      <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/UsageTests/ToStringGeneral.tests.cpp" >
-        <Original>
-          c == i
-        </Original>
-        <Expanded>
-          5 == 5
-        </Expanded>
-      </Expression>
-      <OverallResults successes="5" failures="0" expectedFailures="0" skipped="false"/>
     </Section>
     <OverallResult success="true" skips="0"/>
   </TestCase>
@@ -21706,6 +21674,6 @@ b1!
     </Section>
     <OverallResult success="true" skips="0"/>
   </TestCase>
-  <OverallResults successes="2079" failures="146" expectedFailures="35" skips="12"/>
+  <OverallResults successes="2075" failures="146" expectedFailures="35" skips="12"/>
   <OverallResultsCases successes="312" failures="85" expectedFailures="14" skips="6"/>
 </Catch2TestRun>

tests/SelfTest/UsageTests/ToStringGeneral.tests.cpp

@@ -14,31 +14,20 @@
 
 TEST_CASE( "Character pretty printing" ){
     SECTION("Specifically escaped"){
-        char tab = '\t';
+        CHECK(::Catch::Detail::stringify('\t') == "'\\t'");
-        char newline = '\n';
+        CHECK(::Catch::Detail::stringify('\n') == "'\\n'");
-        char carr_return = '\r';
+        CHECK(::Catch::Detail::stringify('\r') == "'\\r'");
-        char form_feed = '\f';
+        CHECK(::Catch::Detail::stringify('\f') == "'\\f'");
-        CHECK(tab == '\t');
-        CHECK(newline == '\n');
-        CHECK(carr_return == '\r');
-        CHECK(form_feed == '\f');
     }
     SECTION("General chars"){
-        char space = ' ';
+        CHECK(::Catch::Detail::stringify( ' ' ) == "' '" );
-        CHECK(space == ' ');
+        CHECK(::Catch::Detail::stringify( 'A' ) == "'A'" );
-        char chars[] = {'a', 'z', 'A', 'Z'};
+        CHECK(::Catch::Detail::stringify( 'z' ) == "'z'" );
-        for (int i = 0; i < 4; ++i){
-            char c = chars[i];
-            REQUIRE(c == chars[i]);
-        }
     }
     SECTION("Low ASCII"){
-        char null_terminator = '\0';
+        CHECK(::Catch::Detail::stringify( '\0' ) == "0" );
-        CHECK(null_terminator == '\0');
+        CHECK(::Catch::Detail::stringify( static_cast<char>(2) ) == "2" );
-        for (int i = 2; i < 6; ++i){
+        CHECK(::Catch::Detail::stringify( static_cast<char>(5) ) == "5" );
-            char c = static_cast<char>(i);
-            REQUIRE(c == i);
-        }
     }
 }