Remove isTrue, alwaysTrue, alwaysFalse

isTrue and alwaysFalse were replaced by (void)0, 0 inspired by doctest
alwaysTrue was replaced by warning suppression

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

@@ -762,9 +762,7 @@ Tricky.tests.cpp:<line number>
 
 Tricky.tests.cpp:<line number>:
 PASSED:
-  REQUIRE( Catch::alwaysTrue() )
-with expansion:
-  true
+  REQUIRE( true )
 
 -------------------------------------------------------------------------------
 Assertions then sections
@@ -775,9 +773,7 @@ Tricky.tests.cpp:<line number>
 
 Tricky.tests.cpp:<line number>:
 PASSED:
-  REQUIRE( Catch::alwaysTrue() )
-with expansion:
-  true
+  REQUIRE( true )
 
 -------------------------------------------------------------------------------
 Assertions then sections
@@ -789,9 +785,7 @@ Tricky.tests.cpp:<line number>
 
 Tricky.tests.cpp:<line number>:
 PASSED:
-  REQUIRE( Catch::alwaysTrue() )
-with expansion:
-  true
+  REQUIRE( true )
 
 -------------------------------------------------------------------------------
 Assertions then sections
@@ -801,9 +795,7 @@ Tricky.tests.cpp:<line number>
 
 Tricky.tests.cpp:<line number>:
 PASSED:
-  REQUIRE( Catch::alwaysTrue() )
-with expansion:
-  true
+  REQUIRE( true )
 
 -------------------------------------------------------------------------------
 Assertions then sections
@@ -814,9 +806,7 @@ Tricky.tests.cpp:<line number>
 
 Tricky.tests.cpp:<line number>:
 PASSED:
-  REQUIRE( Catch::alwaysTrue() )
-with expansion:
-  true
+  REQUIRE( true )
 
 -------------------------------------------------------------------------------
 Assertions then sections
@@ -828,9 +818,7 @@ Tricky.tests.cpp:<line number>
 
 Tricky.tests.cpp:<line number>:
 PASSED:
-  REQUIRE( Catch::alwaysTrue() )
-with expansion:
-  true
+  REQUIRE( true )
 
 -------------------------------------------------------------------------------
 Assorted miscellaneous tests

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

@@ -819,7 +819,7 @@
     <TestCase name="Assertions then sections" tags="[Tricky]" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
       <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
         <Original>
-          Catch::alwaysTrue()
+          true
         </Original>
         <Expanded>
           true
@@ -828,7 +828,7 @@
       <Section name="A section" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
         <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
           <Original>
-            Catch::alwaysTrue()
+            true
           </Original>
           <Expanded>
             true
@@ -837,7 +837,7 @@
         <Section name="Another section" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
           <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
             <Original>
-              Catch::alwaysTrue()
+              true
             </Original>
             <Expanded>
               true
@@ -849,7 +849,7 @@
       </Section>
       <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
         <Original>
-          Catch::alwaysTrue()
+          true
         </Original>
         <Expanded>
           true
@@ -858,7 +858,7 @@
       <Section name="A section" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
         <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
           <Original>
-            Catch::alwaysTrue()
+            true
           </Original>
           <Expanded>
             true
@@ -867,7 +867,7 @@
         <Section name="Another other section" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
           <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Tricky.tests.cpp" >
             <Original>
-              Catch::alwaysTrue()
+              true
             </Original>
             <Expanded>
               true

projects/SelfTest/UsageTests/Exception.tests.cpp

@@ -12,11 +12,12 @@
 #include <stdexcept>
 
 #ifdef _MSC_VER
-#pragma warning(disable:4702) // Unreachable code -- MSVC 19 (VS 2015) sees right through the indirection
+#pragma warning(disable:4702) // Unreachable code -- uncoditional throws and so on
 #endif
 #ifdef __clang__
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wweak-vtables"
+#pragma clang diagnostic ignored "-Wmissing-noreturn"
 #endif
 
 namespace { namespace ExceptionTests {
@@ -24,9 +25,8 @@ namespace { namespace ExceptionTests {
 #ifndef EXCEPTION_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
 #define EXCEPTION_TEST_HELPERS_INCLUDED
 
-inline int thisThrows() {
-    if( Catch::alwaysTrue() )
-        throw std::domain_error( "expected exception" );
+int thisThrows() {
+    throw std::domain_error( "expected exception" );
     return 1;
 }
 
@@ -63,9 +63,8 @@ private:
     std::string m_msg;
 };
 
-inline void throwCustom() {
-    if( Catch::alwaysTrue() )
-        throw CustomException( "custom exception - not std" );
+[[noreturn]] void throwCustom() {
+    throw CustomException( "custom exception - not std" );
 }
 
 #endif
@@ -83,20 +82,17 @@ TEST_CASE( "Expected exceptions that don't throw or unexpected exceptions fail t
 }
 
 TEST_CASE( "When unchecked exceptions are thrown directly they are always failures", "[.][failing][!throws]" ) {
-    if( Catch::alwaysTrue() )
-        throw std::domain_error( "unexpected exception" );
+    throw std::domain_error( "unexpected exception" );
 }
 
 TEST_CASE( "An unchecked exception reports the line of the last assertion", "[.][failing][!throws]" ) {
     CHECK( 1 == 1 );
-    if( Catch::alwaysTrue() )
-        throw std::domain_error( "unexpected exception" );
+    throw std::domain_error( "unexpected exception" );
 }
 
 TEST_CASE( "When unchecked exceptions are thrown from sections they are always failures", "[.][failing][!throws]" ) {
     SECTION( "section name" ) {
-        if( Catch::alwaysTrue() )
-            throw std::domain_error( "unexpected exception" );
+        throw std::domain_error("unexpected exception");
     }
 }
 
@@ -139,13 +135,11 @@ CATCH_TRANSLATE_EXCEPTION( double& ex ) {
 }
 
 TEST_CASE("Non-std exceptions can be translated", "[.][failing][!throws]" ) {
-    if( Catch::alwaysTrue() )
-        throw CustomException( "custom exception" );
+    throw CustomException( "custom exception" );
 }
 
 TEST_CASE("Custom std-exceptions can be custom translated", "[.][failing][!throws]" ) {
-    if( Catch::alwaysTrue() )
-        throw CustomException( "custom std exception" );
+    throw CustomException( "custom std exception" );
 }
 
 TEST_CASE( "Custom exceptions can be translated when testing for nothrow", "[.][failing][!throws]" ) {
@@ -157,8 +151,7 @@ TEST_CASE( "Custom exceptions can be translated when testing for throwing as som
 }
 
 TEST_CASE( "Unexpected exceptions can be translated", "[.][failing][!throws]"  ) {
-    if( Catch::alwaysTrue() )
-        throw double( 3.14 );
+    throw double( 3.14 );
 }
 
 #ifndef CATCH_CONFIG_DISABLE_MATCHERS

projects/SelfTest/UsageTests/Tricky.tests.cpp

@@ -298,19 +298,19 @@ TEST_CASE( "Assertions then sections", "[Tricky]" )
     // This was causing a failure due to the way the console reporter was handling
     // the current section
 
-    REQUIRE( Catch::alwaysTrue() );
+    REQUIRE( true );
 
     SECTION( "A section" )
     {
-        REQUIRE( Catch::alwaysTrue() );
+        REQUIRE( true );
 
         SECTION( "Another section" )
         {
-            REQUIRE( Catch::alwaysTrue() );
+            REQUIRE( true );
         }
         SECTION( "Another other section" )
         {
-            REQUIRE( Catch::alwaysTrue() );
+            REQUIRE( true );
         }
     }
 }