Add option to skip forward to the generator interface

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

@@ -168,6 +168,7 @@ Nor would this
 :test-result: PASS GENERATE can combine literals and generators
 :test-result: PASS Generators -- adapters
 :test-result: PASS Generators -- simple
+:test-result: PASS Generators can be skipped forward
 :test-result: PASS Generators internals
 :test-result: PASS Greater-than inequalities with different epsilons
 :test-result: PASS Hashers with different seed produce different hash with same test case

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

@@ -166,6 +166,7 @@
 :test-result: PASS GENERATE can combine literals and generators
 :test-result: PASS Generators -- adapters
 :test-result: PASS Generators -- simple
+:test-result: PASS Generators can be skipped forward
 :test-result: PASS Generators internals
 :test-result: PASS Greater-than inequalities with different epsilons
 :test-result: PASS Hashers with different seed produce different hash with same test case

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

@@ -787,6 +787,13 @@ Generators.tests.cpp:<line number>: passed: j < i for: -1 < 3
 Generators.tests.cpp:<line number>: passed: 4u * i > str.size() for: 12 > 1
 Generators.tests.cpp:<line number>: passed: 4u * i > str.size() for: 12 > 2
 Generators.tests.cpp:<line number>: passed: 4u * i > str.size() for: 12 > 3
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.currentElementIndex() == 0 for: 0 == 0
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.currentElementIndex() == 3 for: 3 == 3
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.get() == 3 for: 3 == 3
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.currentElementIndex() == 5 for: 5 == 5
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.get() == 5 for: 5 == 5
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.skipToNthElement( 3 )
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.skipToNthElement( 6 )
 GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 123 for: 123 == 123
 GeneratorsImpl.tests.cpp:<line number>: passed: !(gen.next()) for: !false
 GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 1 for: 1 == 1
@@ -2888,7 +2895,7 @@ InternalBenchmark.tests.cpp:<line number>: passed: med == 18. for: 18.0 == 18.0
 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:  435 |  317 passed |  95 failed | 6 skipped | 17 failed as expected
-assertions: 2303 | 2105 passed | 157 failed | 41 failed as expected
+test cases:  436 |  318 passed |  95 failed | 6 skipped | 17 failed as expected
+assertions: 2310 | 2112 passed | 157 failed | 41 failed as expected
 
 

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

@@ -785,6 +785,13 @@ Generators.tests.cpp:<line number>: passed: j < i for: -1 < 3
 Generators.tests.cpp:<line number>: passed: 4u * i > str.size() for: 12 > 1
 Generators.tests.cpp:<line number>: passed: 4u * i > str.size() for: 12 > 2
 Generators.tests.cpp:<line number>: passed: 4u * i > str.size() for: 12 > 3
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.currentElementIndex() == 0 for: 0 == 0
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.currentElementIndex() == 3 for: 3 == 3
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.get() == 3 for: 3 == 3
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.currentElementIndex() == 5 for: 5 == 5
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.get() == 5 for: 5 == 5
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.skipToNthElement( 3 )
+GeneratorsImpl.tests.cpp:<line number>: passed: generator.skipToNthElement( 6 )
 GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 123 for: 123 == 123
 GeneratorsImpl.tests.cpp:<line number>: passed: !(gen.next()) for: !false
 GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 1 for: 1 == 1
@@ -2877,7 +2884,7 @@ InternalBenchmark.tests.cpp:<line number>: passed: med == 18. for: 18.0 == 18.0
 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:  435 |  317 passed |  95 failed | 6 skipped | 17 failed as expected
-assertions: 2303 | 2105 passed | 157 failed | 41 failed as expected
+test cases:  436 |  318 passed |  95 failed | 6 skipped | 17 failed as expected
+assertions: 2310 | 2112 passed | 157 failed | 41 failed as expected
 
 

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

@@ -1719,6 +1719,6 @@ due to unexpected exception with message:
   Why would you throw a std::string?
 
 ===============================================================================
-test cases:  435 |  335 passed |  76 failed | 7 skipped | 17 failed as expected
-assertions: 2282 | 2105 passed | 136 failed | 41 failed as expected
+test cases:  436 |  336 passed |  76 failed | 7 skipped | 17 failed as expected
+assertions: 2289 | 2112 passed | 136 failed | 41 failed as expected
 

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

@@ -5831,6 +5831,43 @@ Generators.tests.cpp:<line number>: PASSED:
 with expansion:
   12 > 3
 
+-------------------------------------------------------------------------------
+Generators can be skipped forward
+-------------------------------------------------------------------------------
+GeneratorsImpl.tests.cpp:<line number>
+...............................................................................
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE( generator.currentElementIndex() == 0 )
+with expansion:
+  0 == 0
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE( generator.currentElementIndex() == 3 )
+with expansion:
+  3 == 3
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE( generator.get() == 3 )
+with expansion:
+  3 == 3
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE( generator.currentElementIndex() == 5 )
+with expansion:
+  5 == 5
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE( generator.get() == 5 )
+with expansion:
+  5 == 5
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE_THROWS( generator.skipToNthElement( 3 ) )
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE_THROWS( generator.skipToNthElement( 6 ) )
+
 -------------------------------------------------------------------------------
 Generators internals
   Single value
@@ -19295,6 +19332,6 @@ Misc.tests.cpp:<line number>
 Misc.tests.cpp:<line number>: PASSED:
 
 ===============================================================================
-test cases:  435 |  317 passed |  95 failed | 6 skipped | 17 failed as expected
-assertions: 2303 | 2105 passed | 157 failed | 41 failed as expected
+test cases:  436 |  318 passed |  95 failed | 6 skipped | 17 failed as expected
+assertions: 2310 | 2112 passed | 157 failed | 41 failed as expected
 

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

@@ -5829,6 +5829,43 @@ Generators.tests.cpp:<line number>: PASSED:
 with expansion:
   12 > 3
 
+-------------------------------------------------------------------------------
+Generators can be skipped forward
+-------------------------------------------------------------------------------
+GeneratorsImpl.tests.cpp:<line number>
+...............................................................................
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE( generator.currentElementIndex() == 0 )
+with expansion:
+  0 == 0
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE( generator.currentElementIndex() == 3 )
+with expansion:
+  3 == 3
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE( generator.get() == 3 )
+with expansion:
+  3 == 3
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE( generator.currentElementIndex() == 5 )
+with expansion:
+  5 == 5
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE( generator.get() == 5 )
+with expansion:
+  5 == 5
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE_THROWS( generator.skipToNthElement( 3 ) )
+
+GeneratorsImpl.tests.cpp:<line number>: PASSED:
+  REQUIRE_THROWS( generator.skipToNthElement( 6 ) )
+
 -------------------------------------------------------------------------------
 Generators internals
   Single value
@@ -19284,6 +19321,6 @@ Misc.tests.cpp:<line number>
 Misc.tests.cpp:<line number>: PASSED:
 
 ===============================================================================
-test cases:  435 |  317 passed |  95 failed | 6 skipped | 17 failed as expected
-assertions: 2303 | 2105 passed | 157 failed | 41 failed as expected
+test cases:  436 |  318 passed |  95 failed | 6 skipped | 17 failed as expected
+assertions: 2310 | 2112 passed | 157 failed | 41 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="140" skipped="12" tests="2315" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
+  <testsuite name="<exe-name>" errors="17" failures="140" skipped="12" tests="2322" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
     <properties>
       <property name="random-seed" value="1"/>
       <property name="filters" value="&quot;*&quot; ~[!nonportable] ~[!benchmark] ~[approvals]"/>
@@ -837,6 +837,7 @@ at Message.tests.cpp:<line number>
     <testcase classname="<exe-name>.global" name="Generators -- simple" time="{duration}" status="run"/>
     <testcase classname="<exe-name>.global" name="Generators -- simple/one" time="{duration}" status="run"/>
     <testcase classname="<exe-name>.global" name="Generators -- simple/two" time="{duration}" status="run"/>
+    <testcase classname="<exe-name>.global" name="Generators can be skipped forward" time="{duration}" status="run"/>
     <testcase classname="<exe-name>.global" name="Generators internals" time="{duration}" status="run"/>
     <testcase classname="<exe-name>.global" name="Generators internals/Single value" time="{duration}" status="run"/>
     <testcase classname="<exe-name>.global" name="Generators internals/Preset values" time="{duration}" status="run"/>

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="140" skipped="12" tests="2315" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
+  <testsuite name="<exe-name>" errors="17" failures="140" skipped="12" tests="2322" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
     <properties>
       <property name="random-seed" value="1"/>
       <property name="filters" value="&quot;*&quot; ~[!nonportable] ~[!benchmark] ~[approvals]"/>
@@ -836,6 +836,7 @@ at Message.tests.cpp:<line number>
     <testcase classname="<exe-name>.global" name="Generators -- simple" time="{duration}" status="run"/>
     <testcase classname="<exe-name>.global" name="Generators -- simple/one" time="{duration}" status="run"/>
     <testcase classname="<exe-name>.global" name="Generators -- simple/two" time="{duration}" status="run"/>
+    <testcase classname="<exe-name>.global" name="Generators can be skipped forward" time="{duration}" status="run"/>
     <testcase classname="<exe-name>.global" name="Generators internals" time="{duration}" status="run"/>
     <testcase classname="<exe-name>.global" name="Generators internals/Single value" time="{duration}" status="run"/>
     <testcase classname="<exe-name>.global" name="Generators internals/Preset values" time="{duration}" status="run"/>

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

@@ -144,6 +144,7 @@ at AssertionHandler.tests.cpp:<line number>
   </file>
   <file path="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp">
     <testCase name="Filter generator throws exception for empty generator" duration="{duration}"/>
+    <testCase name="Generators can be skipped forward" duration="{duration}"/>
     <testCase name="Generators internals" duration="{duration}"/>
     <testCase name="Generators internals/Single value" duration="{duration}"/>
     <testCase name="Generators internals/Preset values" duration="{duration}"/>

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

@@ -143,6 +143,7 @@ at AssertionHandler.tests.cpp:<line number>
   </file>
   <file path="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp">
     <testCase name="Filter generator throws exception for empty generator" duration="{duration}"/>
+    <testCase name="Generators can be skipped forward" duration="{duration}"/>
     <testCase name="Generators internals" duration="{duration}"/>
     <testCase name="Generators internals/Single value" duration="{duration}"/>
     <testCase name="Generators internals/Preset values" duration="{duration}"/>

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

@@ -1430,6 +1430,20 @@ ok {test-number} - 4u * i > str.size() for: 12 > 1
 ok {test-number} - 4u * i > str.size() for: 12 > 2
 # Generators -- simple
 ok {test-number} - 4u * i > str.size() for: 12 > 3
+# Generators can be skipped forward
+ok {test-number} - generator.currentElementIndex() == 0 for: 0 == 0
+# Generators can be skipped forward
+ok {test-number} - generator.currentElementIndex() == 3 for: 3 == 3
+# Generators can be skipped forward
+ok {test-number} - generator.get() == 3 for: 3 == 3
+# Generators can be skipped forward
+ok {test-number} - generator.currentElementIndex() == 5 for: 5 == 5
+# Generators can be skipped forward
+ok {test-number} - generator.get() == 5 for: 5 == 5
+# Generators can be skipped forward
+ok {test-number} - generator.skipToNthElement( 3 )
+# Generators can be skipped forward
+ok {test-number} - generator.skipToNthElement( 6 )
 # Generators internals
 ok {test-number} - gen.get() == 123 for: 123 == 123
 # Generators internals
@@ -4627,5 +4641,5 @@ ok {test-number} - q3 == 23. for: 23.0 == 23.0
 ok {test-number} -
 # xmlentitycheck
 ok {test-number} -
-1..2315
+1..2322
 

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

@@ -1428,6 +1428,20 @@ ok {test-number} - 4u * i > str.size() for: 12 > 1
 ok {test-number} - 4u * i > str.size() for: 12 > 2
 # Generators -- simple
 ok {test-number} - 4u * i > str.size() for: 12 > 3
+# Generators can be skipped forward
+ok {test-number} - generator.currentElementIndex() == 0 for: 0 == 0
+# Generators can be skipped forward
+ok {test-number} - generator.currentElementIndex() == 3 for: 3 == 3
+# Generators can be skipped forward
+ok {test-number} - generator.get() == 3 for: 3 == 3
+# Generators can be skipped forward
+ok {test-number} - generator.currentElementIndex() == 5 for: 5 == 5
+# Generators can be skipped forward
+ok {test-number} - generator.get() == 5 for: 5 == 5
+# Generators can be skipped forward
+ok {test-number} - generator.skipToNthElement( 3 )
+# Generators can be skipped forward
+ok {test-number} - generator.skipToNthElement( 6 )
 # Generators internals
 ok {test-number} - gen.get() == 123 for: 123 == 123
 # Generators internals
@@ -4616,5 +4630,5 @@ ok {test-number} - q3 == 23. for: 23.0 == 23.0
 ok {test-number} -
 # xmlentitycheck
 ok {test-number} -
-1..2315
+1..2322
 

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

@@ -414,6 +414,8 @@
 ##teamcity[testFinished name='Generators -- adapters' duration="{duration}"]
 ##teamcity[testStarted name='Generators -- simple']
 ##teamcity[testFinished name='Generators -- simple' duration="{duration}"]
+##teamcity[testStarted name='Generators can be skipped forward']
+##teamcity[testFinished name='Generators can be skipped forward' duration="{duration}"]
 ##teamcity[testStarted name='Generators internals']
 ##teamcity[testFinished name='Generators internals' duration="{duration}"]
 ##teamcity[testStarted name='Greater-than inequalities with different epsilons']

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

@@ -414,6 +414,8 @@
 ##teamcity[testFinished name='Generators -- adapters' duration="{duration}"]
 ##teamcity[testStarted name='Generators -- simple']
 ##teamcity[testFinished name='Generators -- simple' duration="{duration}"]
+##teamcity[testStarted name='Generators can be skipped forward']
+##teamcity[testFinished name='Generators can be skipped forward' duration="{duration}"]
 ##teamcity[testStarted name='Generators internals']
 ##teamcity[testFinished name='Generators internals' duration="{duration}"]
 ##teamcity[testStarted name='Greater-than inequalities with different epsilons']

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

@@ -6605,6 +6605,65 @@ Approx( 1.30000000000000004 )
     </Section>
     <OverallResult success="true" skips="0"/>
   </TestCase>
+  <TestCase name="Generators can be skipped forward" tags="[generators]" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+    <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.currentElementIndex() == 0
+      </Original>
+      <Expanded>
+        0 == 0
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.currentElementIndex() == 3
+      </Original>
+      <Expanded>
+        3 == 3
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.get() == 3
+      </Original>
+      <Expanded>
+        3 == 3
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.currentElementIndex() == 5
+      </Original>
+      <Expanded>
+        5 == 5
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.get() == 5
+      </Original>
+      <Expanded>
+        5 == 5
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE_THROWS" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.skipToNthElement( 3 )
+      </Original>
+      <Expanded>
+        generator.skipToNthElement( 3 )
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE_THROWS" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.skipToNthElement( 6 )
+      </Original>
+      <Expanded>
+        generator.skipToNthElement( 6 )
+      </Expanded>
+    </Expression>
+    <OverallResult success="true" skips="0"/>
+  </TestCase>
   <TestCase name="Generators internals" tags="[generators][internals]" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
     <Section name="Single value" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
       <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
@@ -22324,6 +22383,6 @@ Approx( -1.95996398454005449 )
     </Section>
     <OverallResult success="true" skips="0"/>
   </TestCase>
-  <OverallResults successes="2105" failures="157" expectedFailures="41" skips="12"/>
-  <OverallResultsCases successes="317" failures="95" expectedFailures="17" skips="6"/>
+  <OverallResults successes="2112" failures="157" expectedFailures="41" skips="12"/>
+  <OverallResultsCases successes="318" failures="95" expectedFailures="17" skips="6"/>
 </Catch2TestRun>

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

@@ -6605,6 +6605,65 @@ Approx( 1.30000000000000004 )
     </Section>
     <OverallResult success="true" skips="0"/>
   </TestCase>
+  <TestCase name="Generators can be skipped forward" tags="[generators]" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+    <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.currentElementIndex() == 0
+      </Original>
+      <Expanded>
+        0 == 0
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.currentElementIndex() == 3
+      </Original>
+      <Expanded>
+        3 == 3
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.get() == 3
+      </Original>
+      <Expanded>
+        3 == 3
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.currentElementIndex() == 5
+      </Original>
+      <Expanded>
+        5 == 5
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.get() == 5
+      </Original>
+      <Expanded>
+        5 == 5
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE_THROWS" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.skipToNthElement( 3 )
+      </Original>
+      <Expanded>
+        generator.skipToNthElement( 3 )
+      </Expanded>
+    </Expression>
+    <Expression success="true" type="REQUIRE_THROWS" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
+      <Original>
+        generator.skipToNthElement( 6 )
+      </Original>
+      <Expanded>
+        generator.skipToNthElement( 6 )
+      </Expanded>
+    </Expression>
+    <OverallResult success="true" skips="0"/>
+  </TestCase>
   <TestCase name="Generators internals" tags="[generators][internals]" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
     <Section name="Single value" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
       <Expression success="true" type="REQUIRE" filename="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
@@ -22323,6 +22382,6 @@ Approx( -1.95996398454005449 )
     </Section>
     <OverallResult success="true" skips="0"/>
   </TestCase>
-  <OverallResults successes="2105" failures="157" expectedFailures="41" skips="12"/>
-  <OverallResultsCases successes="317" failures="95" expectedFailures="17" skips="6"/>
+  <OverallResults successes="2112" failures="157" expectedFailures="41" skips="12"/>
+  <OverallResultsCases successes="318" failures="95" expectedFailures="17" skips="6"/>
 </Catch2TestRun>

tests/SelfTest/IntrospectiveTests/GeneratorsImpl.tests.cpp

@@ -85,7 +85,7 @@ TEST_CASE("Generators internals", "[generators][internals]") {
                 filter([](int) { return false; }, values({ 1, 2, 3 })),
                 Catch::GeneratorException);
         }
-        
+
         // Non-trivial usage
         SECTION("Out-of-line predicates are copied into the generator") {
             auto evilNumber = Catch::Detail::make_unique<int>(2);
@@ -586,3 +586,21 @@ TEST_CASE("from_range(container) supports ADL begin/end and arrays", "[generator
     }
 
 }
+
+TEST_CASE( "Generators can be skipped forward", "[generators]" ) {
+    auto generator = Catch::Generators::FixedValuesGenerator<int>( { 0, 1, 2, 3, 4, 5 } );
+    REQUIRE( generator.currentElementIndex() == 0 );
+
+    generator.skipToNthElement( 3 );
+    REQUIRE( generator.currentElementIndex() == 3 );
+    REQUIRE( generator.get() == 3 );
+
+    generator.skipToNthElement( 5 );
+    REQUIRE( generator.currentElementIndex() == 5 );
+    REQUIRE( generator.get() == 5 );
+
+    // Backwards
+    REQUIRE_THROWS( generator.skipToNthElement( 3 ) );
+    // Past the end
+    REQUIRE_THROWS( generator.skipToNthElement( 6 ) );
+}