Add an extra test for benchmarking macros

Also updated baselines

projects/ExtraTests/CMakeLists.txt

@@ -116,6 +116,17 @@ set_tests_properties(
 )
 
 
+add_executable(BenchmarkingMacros ${TESTS_DIR}/X20-BenchmarkingMacros.cpp)
+target_compile_definitions( BenchmarkingMacros PRIVATE CATCH_CONFIG_ENABLE_BENCHMARKING )
+
+add_test(NAME BenchmarkingMacros COMMAND BenchmarkingMacros -r console -s)
+set_tests_properties(
+    BenchmarkingMacros
+  PROPERTIES
+    PASS_REGULAR_EXPRESSION "benchmark name                                  samples       iterations    estimated"
+)
+
+
 set( EXTRA_TEST_BINARIES
     PrefixedMacros
     DisabledMacros
@@ -123,6 +134,7 @@ set( EXTRA_TEST_BINARIES
     DisabledExceptions-CustomHandler
     FallbackStringifier
     DisableStringification
+    BenchmarkingMacros
 )
 
 # Shared config

projects/ExtraTests/X20-BenchmarkingMacros.cpp

@@ -0,0 +1,133 @@
+// X20-BenchmarkingMacros.cpp
+// Test that the benchmarking support macros compile properly with the single header
+
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>
+
+namespace {
+std::uint64_t factorial(std::uint64_t number) {
+    if (number < 2) {
+        return 1;
+    }
+    return number * factorial(number - 1);
+}
+}
+
+TEST_CASE("Benchmark factorial", "[benchmark]") {
+    CHECK(factorial(0) == 1);
+    // some more asserts..
+    CHECK(factorial(10) == 3628800);
+
+    BENCHMARK("factorial 10") {
+        return factorial(10);
+    };
+
+    CHECK(factorial(14) == 87178291200ull);
+    BENCHMARK("factorial 14") {
+        return factorial(14);
+    };
+//
+//    BENCHMARK("factorial 20") {
+//        return factorial(20);
+//    };
+//
+//    BENCHMARK("factorial 35") {
+//        return factorial(35);
+//    };
+}
+
+TEST_CASE("Benchmark containers", "[.][benchmark]") {
+    static const int size = 100;
+
+    std::vector<int> v;
+    std::map<int, int> m;
+
+    SECTION("without generator") {
+        BENCHMARK("Load up a vector") {
+            v = std::vector<int>();
+            for (int i = 0; i < size; ++i)
+                v.push_back(i);
+        };
+        REQUIRE(v.size() == size);
+
+        // test optimizer control
+        BENCHMARK("Add up a vector's content") {
+            uint64_t add = 0;
+            for (int i = 0; i < size; ++i)
+                add += v[i];
+            return add;
+        };
+
+        BENCHMARK("Load up a map") {
+            m = std::map<int, int>();
+            for (int i = 0; i < size; ++i)
+                m.insert({ i, i + 1 });
+        };
+        REQUIRE(m.size() == size);
+
+        BENCHMARK("Reserved vector") {
+            v = std::vector<int>();
+            v.reserve(size);
+            for (int i = 0; i < size; ++i)
+                v.push_back(i);
+        };
+        REQUIRE(v.size() == size);
+
+        BENCHMARK("Resized vector") {
+            v = std::vector<int>();
+            v.resize(size);
+            for (int i = 0; i < size; ++i)
+                v[i] = i;
+        };
+        REQUIRE(v.size() == size);
+
+        int array[size];
+        BENCHMARK("A fixed size array that should require no allocations") {
+            for (int i = 0; i < size; ++i)
+                array[i] = i;
+        };
+        int sum = 0;
+        for (int i = 0; i < size; ++i)
+            sum += array[i];
+        REQUIRE(sum > size);
+
+        SECTION("XYZ") {
+
+            BENCHMARK_ADVANCED("Load up vector with chronometer")(Catch::Benchmark::Chronometer meter) {
+                std::vector<int> k;
+                meter.measure([&](int idx) {
+                    k = std::vector<int>();
+                    for (int i = 0; i < size; ++i)
+                        k.push_back(idx);
+                });
+                REQUIRE(k.size() == size);
+            };
+
+            int runs = 0;
+            BENCHMARK("Fill vector indexed", benchmarkIndex) {
+                v = std::vector<int>();
+                v.resize(size);
+                for (int i = 0; i < size; ++i)
+                    v[i] = benchmarkIndex;
+                runs = benchmarkIndex;
+            };
+
+            for (size_t i = 0; i < v.size(); ++i) {
+                REQUIRE(v[i] == runs);
+            }
+        }
+    }
+
+    SECTION("with generator") {
+        auto generated = GENERATE(range(0, 10));
+        BENCHMARK("Fill vector generated") {
+            v = std::vector<int>();
+            v.resize(size);
+            for (int i = 0; i < size; ++i)
+                v[i] = generated;
+        };
+        for (size_t i = 0; i < v.size(); ++i) {
+            REQUIRE(v[i] == generated);
+        }
+    }
+}

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

@@ -944,6 +944,14 @@ CmdLine.tests.cpp:<line number>: passed: cli.parse({"test", "--use-colour", "no"
 CmdLine.tests.cpp:<line number>: passed: config.useColour == UseColour::No for: 2 == 2
 CmdLine.tests.cpp:<line number>: passed: !result for: true
 CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), Contains( "colour mode must be one of" ) for: "colour mode must be one of: auto, yes or no. 'wrong' not recognised" contains: "colour mode must be one of"
+CmdLine.tests.cpp:<line number>: passed: cli.parse({ "test", "--benchmark-samples=200" }) for: {?}
+CmdLine.tests.cpp:<line number>: passed: config.benchmarkSamples == 200 for: 200 == 200
+CmdLine.tests.cpp:<line number>: passed: cli.parse({ "test", "--benchmark-resamples=20000" }) for: {?}
+CmdLine.tests.cpp:<line number>: passed: config.benchmarkResamples == 20000 for: 20000 (0x<hex digits>) == 20000 (0x<hex digits>)
+CmdLine.tests.cpp:<line number>: passed: cli.parse({ "test", "--benchmark-confidence-interval=0.99" }) for: {?}
+CmdLine.tests.cpp:<line number>: passed: config.benchmarkConfidenceInterval == Catch::Detail::Approx(0.99) for: 0.99 == Approx( 0.99 )
+CmdLine.tests.cpp:<line number>: passed: cli.parse({ "test", "--benchmark-no-analysis" }) for: {?}
+CmdLine.tests.cpp:<line number>: passed: config.benchmarkNoAnalysis for: true
 Misc.tests.cpp:<line number>: passed: std::tuple_size<TestType>::value >= 1 for: 3 >= 1
 Misc.tests.cpp:<line number>: passed: std::tuple_size<TestType>::value >= 1 for: 2 >= 1
 Misc.tests.cpp:<line number>: passed: std::tuple_size<TestType>::value >= 1 for: 1 >= 1

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

@@ -1381,5 +1381,5 @@ due to unexpected exception with message:
 
 ===============================================================================
 test cases:  289 |  215 passed |  70 failed |  4 failed as expected
-assertions: 1539 | 1387 passed | 131 failed | 21 failed as expected
+assertions: 1547 | 1395 passed | 131 failed | 21 failed as expected
 

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

@@ -6954,6 +6954,78 @@ with expansion:
   "colour mode must be one of: auto, yes or no. 'wrong' not recognised"
   contains: "colour mode must be one of"
 
+-------------------------------------------------------------------------------
+Process can be configured on command line
+  Benchmark options
+  samples
+-------------------------------------------------------------------------------
+CmdLine.tests.cpp:<line number>
+...............................................................................
+
+CmdLine.tests.cpp:<line number>: PASSED:
+  CHECK( cli.parse({ "test", "--benchmark-samples=200" }) )
+with expansion:
+  {?}
+
+CmdLine.tests.cpp:<line number>: PASSED:
+  REQUIRE( config.benchmarkSamples == 200 )
+with expansion:
+  200 == 200
+
+-------------------------------------------------------------------------------
+Process can be configured on command line
+  Benchmark options
+  resamples
+-------------------------------------------------------------------------------
+CmdLine.tests.cpp:<line number>
+...............................................................................
+
+CmdLine.tests.cpp:<line number>: PASSED:
+  CHECK( cli.parse({ "test", "--benchmark-resamples=20000" }) )
+with expansion:
+  {?}
+
+CmdLine.tests.cpp:<line number>: PASSED:
+  REQUIRE( config.benchmarkResamples == 20000 )
+with expansion:
+  20000 (0x<hex digits>) == 20000 (0x<hex digits>)
+
+-------------------------------------------------------------------------------
+Process can be configured on command line
+  Benchmark options
+  resamples
+-------------------------------------------------------------------------------
+CmdLine.tests.cpp:<line number>
+...............................................................................
+
+CmdLine.tests.cpp:<line number>: PASSED:
+  CHECK( cli.parse({ "test", "--benchmark-confidence-interval=0.99" }) )
+with expansion:
+  {?}
+
+CmdLine.tests.cpp:<line number>: PASSED:
+  REQUIRE( config.benchmarkConfidenceInterval == Catch::Detail::Approx(0.99) )
+with expansion:
+  0.99 == Approx( 0.99 )
+
+-------------------------------------------------------------------------------
+Process can be configured on command line
+  Benchmark options
+  resamples
+-------------------------------------------------------------------------------
+CmdLine.tests.cpp:<line number>
+...............................................................................
+
+CmdLine.tests.cpp:<line number>: PASSED:
+  CHECK( cli.parse({ "test", "--benchmark-no-analysis" }) )
+with expansion:
+  {?}
+
+CmdLine.tests.cpp:<line number>: PASSED:
+  REQUIRE( config.benchmarkNoAnalysis )
+with expansion:
+  true
+
 -------------------------------------------------------------------------------
 Product with differing arities - std::tuple<int, double, float>
 -------------------------------------------------------------------------------
@@ -12219,5 +12291,5 @@ Misc.tests.cpp:<line number>: PASSED:
 
 ===============================================================================
 test cases:  289 |  199 passed |  86 failed |  4 failed as expected
-assertions: 1556 | 1387 passed | 148 failed | 21 failed as expected
+assertions: 1564 | 1395 passed | 148 failed | 21 failed as expected
 

projects/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="132" tests="1557" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
+  <testsuite name="<exe-name>" errors="17" failures="132" tests="1565" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
     <properties>
       <property name="filters" value="~[!nonportable]~[!benchmark]~[approvals]"/>
       <property name="random-seed" value="1"/>
@@ -648,6 +648,10 @@ Message.tests.cpp:<line number>
     <testcase classname="<exe-name>.global" name="Process can be configured on command line/use-colour/yes" time="{duration}"/>
     <testcase classname="<exe-name>.global" name="Process can be configured on command line/use-colour/no" time="{duration}"/>
     <testcase classname="<exe-name>.global" name="Process can be configured on command line/use-colour/error" time="{duration}"/>
+    <testcase classname="<exe-name>.global" name="Process can be configured on command line/Benchmark options/samples" time="{duration}"/>
+    <testcase classname="<exe-name>.global" name="Process can be configured on command line/Benchmark options/resamples" time="{duration}"/>
+    <testcase classname="<exe-name>.global" name="Process can be configured on command line/Benchmark options/resamples" time="{duration}"/>
+    <testcase classname="<exe-name>.global" name="Process can be configured on command line/Benchmark options/resamples" time="{duration}"/>
     <testcase classname="<exe-name>.global" name="Product with differing arities - std::tuple&lt;int, double, float>" time="{duration}"/>
     <testcase classname="<exe-name>.global" name="Product with differing arities - std::tuple&lt;int, double>" time="{duration}"/>
     <testcase classname="<exe-name>.global" name="Product with differing arities - std::tuple&lt;int>" time="{duration}"/>

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

@@ -8669,6 +8669,94 @@ Nor would this
         </Section>
         <OverallResults successes="2" failures="0" expectedFailures="0"/>
       </Section>
+      <Section name="Benchmark options" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+        <Section name="samples" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+          <Expression success="true" type="CHECK" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+            <Original>
+              cli.parse({ "test", "--benchmark-samples=200" })
+            </Original>
+            <Expanded>
+              {?}
+            </Expanded>
+          </Expression>
+          <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+            <Original>
+              config.benchmarkSamples == 200
+            </Original>
+            <Expanded>
+              200 == 200
+            </Expanded>
+          </Expression>
+          <OverallResults successes="2" failures="0" expectedFailures="0"/>
+        </Section>
+        <OverallResults successes="2" failures="0" expectedFailures="0"/>
+      </Section>
+      <Section name="Benchmark options" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+        <Section name="resamples" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+          <Expression success="true" type="CHECK" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+            <Original>
+              cli.parse({ "test", "--benchmark-resamples=20000" })
+            </Original>
+            <Expanded>
+              {?}
+            </Expanded>
+          </Expression>
+          <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+            <Original>
+              config.benchmarkResamples == 20000
+            </Original>
+            <Expanded>
+              20000 (0x<hex digits>) == 20000 (0x<hex digits>)
+            </Expanded>
+          </Expression>
+          <OverallResults successes="2" failures="0" expectedFailures="0"/>
+        </Section>
+        <OverallResults successes="2" failures="0" expectedFailures="0"/>
+      </Section>
+      <Section name="Benchmark options" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+        <Section name="resamples" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+          <Expression success="true" type="CHECK" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+            <Original>
+              cli.parse({ "test", "--benchmark-confidence-interval=0.99" })
+            </Original>
+            <Expanded>
+              {?}
+            </Expanded>
+          </Expression>
+          <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+            <Original>
+              config.benchmarkConfidenceInterval == Catch::Detail::Approx(0.99)
+            </Original>
+            <Expanded>
+              0.99 == Approx( 0.99 )
+            </Expanded>
+          </Expression>
+          <OverallResults successes="2" failures="0" expectedFailures="0"/>
+        </Section>
+        <OverallResults successes="2" failures="0" expectedFailures="0"/>
+      </Section>
+      <Section name="Benchmark options" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+        <Section name="resamples" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+          <Expression success="true" type="CHECK" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+            <Original>
+              cli.parse({ "test", "--benchmark-no-analysis" })
+            </Original>
+            <Expanded>
+              {?}
+            </Expanded>
+          </Expression>
+          <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
+            <Original>
+              config.benchmarkNoAnalysis
+            </Original>
+            <Expanded>
+              true
+            </Expanded>
+          </Expression>
+          <OverallResults successes="2" failures="0" expectedFailures="0"/>
+        </Section>
+        <OverallResults successes="2" failures="0" expectedFailures="0"/>
+      </Section>
       <OverallResult success="true"/>
     </TestCase>
     <TestCase name="Product with differing arities - std::tuple&lt;int, double, float>" tags="[product][template]" filename="projects/<exe-name>/UsageTests/Misc.tests.cpp" >
@@ -14586,7 +14674,7 @@ loose text artifact
       </Section>
       <OverallResult success="true"/>
     </TestCase>
-    <OverallResults successes="1387" failures="149" expectedFailures="21"/>
+    <OverallResults successes="1395" failures="149" expectedFailures="21"/>
   </Group>
-  <OverallResults successes="1387" failures="148" expectedFailures="21"/>
+  <OverallResults successes="1395" failures="148" expectedFailures="21"/>
 </Catch>

projects/SelfTest/UsageTests/Benchmark.tests.cpp

@@ -3,10 +3,10 @@
 #include <map>
 
 #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
-std::uint64_t Fibonacci(std::uint64_t number);
+namespace {
-
+    std::uint64_t Fibonacci(std::uint64_t number) {
-std::uint64_t Fibonacci(std::uint64_t number) {
         return number < 2 ? 1 : Fibonacci(number - 1) + Fibonacci(number - 2);
+    }
 }
 
 TEST_CASE("Benchmark Fibonacci", "[!benchmark]") {