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Add generic generator modifiers

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This means mutiple generic generators and some inference helper
* take(n, generator)
* filter(predicate, generator)
* map(func, generator)
* repeat(generator, repeats)
This commit is contained in:
Martin Hořeňovský
2019-01-27 23:50:43 +01:00
parent e46a70f829
commit 5929d9530c
9 changed files with 1262 additions and 25 deletions
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49
projects/SelfTest/Baselines/compact.sw.approved.txt
View File

@@ -399,6 +399,24 @@ Matchers.tests.cpp:<line number>: passed: WithinAbs(1.f, 0.f)
Matchers.tests.cpp:<line number>: passed: WithinAbs(1.f, -1.f), std::domain_error
Matchers.tests.cpp:<line number>: passed: WithinULP(1.f, 0)
Matchers.tests.cpp:<line number>: passed: WithinULP(1.f, -1), std::domain_error
Generators.tests.cpp:<line number>: passed: i % 2 == 0 for: 0 == 0
Generators.tests.cpp:<line number>: passed: i % 2 == 0 for: 0 == 0
Generators.tests.cpp:<line number>: passed: i % 2 == 0 for: 0 == 0
Generators.tests.cpp:<line number>: passed: i < 4 for: 1 < 4
Generators.tests.cpp:<line number>: passed: i < 4 for: 2 < 4
Generators.tests.cpp:<line number>: passed: i < 4 for: 3 < 4
Generators.tests.cpp:<line number>: passed: i % 2 == 0 for: 0 == 0
Generators.tests.cpp:<line number>: passed: i % 2 == 0 for: 0 == 0
Generators.tests.cpp:<line number>: passed: i % 2 == 0 for: 0 == 0
Generators.tests.cpp:<line number>: passed: i.size() == 1 for: 1 == 1
Generators.tests.cpp:<line number>: passed: i.size() == 1 for: 1 == 1
Generators.tests.cpp:<line number>: passed: i.size() == 1 for: 1 == 1
Generators.tests.cpp:<line number>: passed: j > 0 for: 1 > 0
Generators.tests.cpp:<line number>: passed: j > 0 for: 2 > 0
Generators.tests.cpp:<line number>: passed: j > 0 for: 3 > 0
Generators.tests.cpp:<line number>: passed: j > 0 for: 1 > 0
Generators.tests.cpp:<line number>: passed: j > 0 for: 2 > 0
Generators.tests.cpp:<line number>: passed: j > 0 for: 3 > 0
Generators.tests.cpp:<line number>: passed: j < i for: -3 < 1
Generators.tests.cpp:<line number>: passed: j < i for: -2 < 1
Generators.tests.cpp:<line number>: passed: j < i for: -1 < 1
@@ -442,6 +460,37 @@ GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == "bb" for: "bb" == "
GeneratorsImpl.tests.cpp:<line number>: passed: gen.next() for: true
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == "cc" for: "cc" == "cc"
GeneratorsImpl.tests.cpp:<line number>: passed: !(gen.next()) for: !false
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 1 for: 1 == 1
GeneratorsImpl.tests.cpp:<line number>: passed: gen.next() for: true
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 3 for: 3 == 3
GeneratorsImpl.tests.cpp:<line number>: passed: !(gen.next()) for: !false
GeneratorsImpl.tests.cpp:<line number>: passed: filter([] (int) { return false; }, value(1)), Catch::GeneratorException
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 1 for: 1 == 1
GeneratorsImpl.tests.cpp:<line number>: passed: gen.next() for: true
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 2 for: 2 == 2
GeneratorsImpl.tests.cpp:<line number>: passed: !(gen.next()) for: !false
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 1 for: 1 == 1
GeneratorsImpl.tests.cpp:<line number>: passed: !(gen.next()) for: !false
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 2.0 for: 2.0 == 2.0
GeneratorsImpl.tests.cpp:<line number>: passed: gen.next() for: true
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 4.0 for: 4.0 == 4.0
GeneratorsImpl.tests.cpp:<line number>: passed: gen.next() for: true
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 6.0 for: 6.0 == 6.0
GeneratorsImpl.tests.cpp:<line number>: passed: !(gen.next()) for: !false
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 3 for: 3 == 3
GeneratorsImpl.tests.cpp:<line number>: passed: !(gen.next()) for: !false
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 1 for: 1 == 1
GeneratorsImpl.tests.cpp:<line number>: passed: gen.next() for: true
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 2 for: 2 == 2
GeneratorsImpl.tests.cpp:<line number>: passed: gen.next() for: true
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 3 for: 3 == 3
GeneratorsImpl.tests.cpp:<line number>: passed: gen.next() for: true
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 1 for: 1 == 1
GeneratorsImpl.tests.cpp:<line number>: passed: gen.next() for: true
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 2 for: 2 == 2
GeneratorsImpl.tests.cpp:<line number>: passed: gen.next() for: true
GeneratorsImpl.tests.cpp:<line number>: passed: gen.get() == 3 for: 3 == 3
GeneratorsImpl.tests.cpp:<line number>: passed: !(gen.next()) for: !false
Approx.tests.cpp:<line number>: passed: d >= Approx( 1.22 ) for: 1.23 >= Approx( 1.22 )
Approx.tests.cpp:<line number>: passed: d >= Approx( 1.23 ) for: 1.23 >= Approx( 1.23 )
Approx.tests.cpp:<line number>: passed: !(d >= Approx( 1.24 )) for: !(1.23 >= Approx( 1.24 ))

4
projects/SelfTest/Baselines/console.std.approved.txt
View File

@@ -1170,6 +1170,6 @@ due to unexpected exception with message:
Why would you throw a std::string?
===============================================================================
test cases: 244 | 184 passed | 56 failed | 4 failed as expected
assertions: 1248 | 1112 passed | 115 failed | 21 failed as expected
test cases: 245 | 185 passed | 56 failed | 4 failed as expected
assertions: 1297 | 1161 passed | 115 failed | 21 failed as expected

425
projects/SelfTest/Baselines/console.sw.approved.txt
View File

@@ -2850,6 +2850,228 @@ Matchers.tests.cpp:<line number>: PASSED:
Matchers.tests.cpp:<line number>: PASSED:
REQUIRE_THROWS_AS( WithinULP(1.f, -1), std::domain_error )
-------------------------------------------------------------------------------
Generators -- adapters
Filtering by predicate
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i % 2 == 0 )
with expansion:
0 == 0
-------------------------------------------------------------------------------
Generators -- adapters
Filtering by predicate
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i % 2 == 0 )
with expansion:
0 == 0
-------------------------------------------------------------------------------
Generators -- adapters
Filtering by predicate
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i % 2 == 0 )
with expansion:
0 == 0
-------------------------------------------------------------------------------
Generators -- adapters
Shortening a range
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i < 4 )
with expansion:
1 < 4
-------------------------------------------------------------------------------
Generators -- adapters
Shortening a range
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i < 4 )
with expansion:
2 < 4
-------------------------------------------------------------------------------
Generators -- adapters
Shortening a range
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i < 4 )
with expansion:
3 < 4
-------------------------------------------------------------------------------
Generators -- adapters
Transforming elements
Same type
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i % 2 == 0 )
with expansion:
0 == 0
-------------------------------------------------------------------------------
Generators -- adapters
Transforming elements
Same type
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i % 2 == 0 )
with expansion:
0 == 0
-------------------------------------------------------------------------------
Generators -- adapters
Transforming elements
Same type
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i % 2 == 0 )
with expansion:
0 == 0
-------------------------------------------------------------------------------
Generators -- adapters
Transforming elements
Different type
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i.size() == 1 )
with expansion:
1 == 1
-------------------------------------------------------------------------------
Generators -- adapters
Transforming elements
Different type
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i.size() == 1 )
with expansion:
1 == 1
-------------------------------------------------------------------------------
Generators -- adapters
Transforming elements
Different type
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( i.size() == 1 )
with expansion:
1 == 1
-------------------------------------------------------------------------------
Generators -- adapters
Repeating a generator
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( j > 0 )
with expansion:
1 > 0
-------------------------------------------------------------------------------
Generators -- adapters
Repeating a generator
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( j > 0 )
with expansion:
2 > 0
-------------------------------------------------------------------------------
Generators -- adapters
Repeating a generator
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( j > 0 )
with expansion:
3 > 0
-------------------------------------------------------------------------------
Generators -- adapters
Repeating a generator
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( j > 0 )
with expansion:
1 > 0
-------------------------------------------------------------------------------
Generators -- adapters
Repeating a generator
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( j > 0 )
with expansion:
2 > 0
-------------------------------------------------------------------------------
Generators -- adapters
Repeating a generator
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( j > 0 )
with expansion:
3 > 0
-------------------------------------------------------------------------------
Generators -- simple
one
@@ -3219,6 +3441,205 @@ GeneratorsImpl.tests.cpp:<line number>: PASSED:
with expansion:
!false
-------------------------------------------------------------------------------
Generators internals
Filter generator
-------------------------------------------------------------------------------
GeneratorsImpl.tests.cpp:<line number>
...............................................................................
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 1 )
with expansion:
1 == 1
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.next() )
with expansion:
true
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 3 )
with expansion:
3 == 3
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE_FALSE( gen.next() )
with expansion:
!false
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE_THROWS_AS( filter([] (int) { return false; }, value(1)), Catch::GeneratorException )
-------------------------------------------------------------------------------
Generators internals
Take generator
Take less
-------------------------------------------------------------------------------
GeneratorsImpl.tests.cpp:<line number>
...............................................................................
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 1 )
with expansion:
1 == 1
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.next() )
with expansion:
true
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 2 )
with expansion:
2 == 2
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE_FALSE( gen.next() )
with expansion:
!false
-------------------------------------------------------------------------------
Generators internals
Take generator
Take more
-------------------------------------------------------------------------------
GeneratorsImpl.tests.cpp:<line number>
...............................................................................
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 1 )
with expansion:
1 == 1
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE_FALSE( gen.next() )
with expansion:
!false
-------------------------------------------------------------------------------
Generators internals
Map
-------------------------------------------------------------------------------
GeneratorsImpl.tests.cpp:<line number>
...............................................................................
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 2.0 )
with expansion:
2.0 == 2.0
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.next() )
with expansion:
true
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 4.0 )
with expansion:
4.0 == 4.0
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.next() )
with expansion:
true
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 6.0 )
with expansion:
6.0 == 6.0
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE_FALSE( gen.next() )
with expansion:
!false
-------------------------------------------------------------------------------
Generators internals
Repeat
Singular repeat
-------------------------------------------------------------------------------
GeneratorsImpl.tests.cpp:<line number>
...............................................................................
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 3 )
with expansion:
3 == 3
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE_FALSE( gen.next() )
with expansion:
!false
-------------------------------------------------------------------------------
Generators internals
Repeat
Actual repeat
-------------------------------------------------------------------------------
GeneratorsImpl.tests.cpp:<line number>
...............................................................................
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 1 )
with expansion:
1 == 1
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.next() )
with expansion:
true
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 2 )
with expansion:
2 == 2
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.next() )
with expansion:
true
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 3 )
with expansion:
3 == 3
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.next() )
with expansion:
true
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 1 )
with expansion:
1 == 1
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.next() )
with expansion:
true
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 2 )
with expansion:
2 == 2
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.next() )
with expansion:
true
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 3 )
with expansion:
3 == 3
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE_FALSE( gen.next() )
with expansion:
!false
-------------------------------------------------------------------------------
Greater-than inequalities with different epsilons
-------------------------------------------------------------------------------
@@ -9726,6 +10147,6 @@ Misc.tests.cpp:<line number>
Misc.tests.cpp:<line number>: PASSED:
===============================================================================
test cases: 244 | 171 passed | 69 failed | 4 failed as expected
assertions: 1262 | 1112 passed | 129 failed | 21 failed as expected
test cases: 245 | 172 passed | 69 failed | 4 failed as expected
assertions: 1311 | 1161 passed | 129 failed | 21 failed as expected

13
projects/SelfTest/Baselines/junit.sw.approved.txt
View File

@@ -1,7 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<testsuitesloose text artifact
>
<testsuite name="<exe-name>" errors="17" failures="113" tests="1263" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
<testsuite name="<exe-name>" errors="17" failures="113" tests="1312" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
<testcase classname="<exe-name>.global" name="# A test name that starts with a #" time="{duration}"/>
<testcase classname="<exe-name>.global" name="#1005: Comparing pointer to int and long (NULL can be either on various systems)" time="{duration}"/>
<testcase classname="<exe-name>.global" name="#1027" time="{duration}"/>
@@ -339,12 +339,23 @@ Message.tests.cpp:<line number>
<testcase classname="<exe-name>.global" name="Floating point matchers: float/ULPs" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Floating point matchers: float/Composed" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Floating point matchers: float/Constructor validation" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- adapters/Filtering by predicate" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- adapters/Shortening a range" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- adapters/Transforming elements/Same type" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- adapters/Transforming elements/Different type" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- adapters/Repeating a generator" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- simple/one" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- simple/two" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators internals/Single value" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators internals/Preset values" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators internals/Generator combinator" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators internals/Explicitly typed generator sequence" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators internals/Filter generator" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators internals/Take generator/Take less" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators internals/Take generator/Take more" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators internals/Map" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators internals/Repeat/Singular repeat" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators internals/Repeat/Actual repeat" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Greater-than inequalities with different epsilons" time="{duration}"/>
<testcase classname="<exe-name>.global" name="INFO and WARN do not abort tests" time="{duration}"/>
<testcase classname="<exe-name>.global" name="INFO gets logged on failure" time="{duration}">

501
projects/SelfTest/Baselines/xml.sw.approved.txt
View File

@@ -3538,6 +3538,225 @@
</Section>
<OverallResult success="true"/>
</TestCase>
<TestCase name="Generators -- adapters" tags="[generators]" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Filtering by predicate" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i % 2 == 0
</Original>
<Expanded>
0 == 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Filtering by predicate" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i % 2 == 0
</Original>
<Expanded>
0 == 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Filtering by predicate" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i % 2 == 0
</Original>
<Expanded>
0 == 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Shortening a range" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i &lt; 4
</Original>
<Expanded>
1 &lt; 4
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Shortening a range" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i &lt; 4
</Original>
<Expanded>
2 &lt; 4
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Shortening a range" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i &lt; 4
</Original>
<Expanded>
3 &lt; 4
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Transforming elements" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Same type" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i % 2 == 0
</Original>
<Expanded>
0 == 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Transforming elements" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Same type" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i % 2 == 0
</Original>
<Expanded>
0 == 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Transforming elements" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Same type" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i % 2 == 0
</Original>
<Expanded>
0 == 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Transforming elements" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Different type" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i.size() == 1
</Original>
<Expanded>
1 == 1
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Transforming elements" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Different type" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i.size() == 1
</Original>
<Expanded>
1 == 1
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Transforming elements" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Different type" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
i.size() == 1
</Original>
<Expanded>
1 == 1
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Repeating a generator" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
j > 0
</Original>
<Expanded>
1 > 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Repeating a generator" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
j > 0
</Original>
<Expanded>
2 > 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Repeating a generator" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
j > 0
</Original>
<Expanded>
3 > 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Repeating a generator" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
j > 0
</Original>
<Expanded>
1 > 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Repeating a generator" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
j > 0
</Original>
<Expanded>
2 > 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<Section name="Repeating a generator" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
j > 0
</Original>
<Expanded>
3 > 0
</Expanded>
</Expression>
<OverallResults successes="1" failures="0" expectedFailures="0"/>
</Section>
<OverallResult success="true"/>
</TestCase>
<TestCase name="Generators -- simple" tags="[generators]" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="one" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
@@ -3952,6 +4171,284 @@
</Expression>
<OverallResults successes="7" failures="0" expectedFailures="0"/>
</Section>
<Section name="Filter generator" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 1
</Original>
<Expanded>
1 == 1
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.next()
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 3
</Original>
<Expanded>
3 == 3
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_FALSE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
!(gen.next())
</Original>
<Expanded>
!false
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_THROWS_AS" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
filter([] (int) { return false; }, value(1)), Catch::GeneratorException
</Original>
<Expanded>
filter([] (int) { return false; }, value(1)), Catch::GeneratorException
</Expanded>
</Expression>
<OverallResults successes="5" failures="0" expectedFailures="0"/>
</Section>
<Section name="Take generator" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Section name="Take less" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 1
</Original>
<Expanded>
1 == 1
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.next()
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 2
</Original>
<Expanded>
2 == 2
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_FALSE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
!(gen.next())
</Original>
<Expanded>
!false
</Expanded>
</Expression>
<OverallResults successes="4" failures="0" expectedFailures="0"/>
</Section>
<OverallResults successes="4" failures="0" expectedFailures="0"/>
</Section>
<Section name="Take generator" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Section name="Take more" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 1
</Original>
<Expanded>
1 == 1
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_FALSE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
!(gen.next())
</Original>
<Expanded>
!false
</Expanded>
</Expression>
<OverallResults successes="2" failures="0" expectedFailures="0"/>
</Section>
<OverallResults successes="2" failures="0" expectedFailures="0"/>
</Section>
<Section name="Map" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 2.0
</Original>
<Expanded>
2.0 == 2.0
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.next()
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 4.0
</Original>
<Expanded>
4.0 == 4.0
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.next()
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 6.0
</Original>
<Expanded>
6.0 == 6.0
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_FALSE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
!(gen.next())
</Original>
<Expanded>
!false
</Expanded>
</Expression>
<OverallResults successes="6" failures="0" expectedFailures="0"/>
</Section>
<Section name="Repeat" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Section name="Singular repeat" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 3
</Original>
<Expanded>
3 == 3
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_FALSE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
!(gen.next())
</Original>
<Expanded>
!false
</Expanded>
</Expression>
<OverallResults successes="2" failures="0" expectedFailures="0"/>
</Section>
<OverallResults successes="2" failures="0" expectedFailures="0"/>
</Section>
<Section name="Repeat" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Section name="Actual repeat" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 1
</Original>
<Expanded>
1 == 1
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.next()
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 2
</Original>
<Expanded>
2 == 2
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.next()
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 3
</Original>
<Expanded>
3 == 3
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.next()
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 1
</Original>
<Expanded>
1 == 1
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.next()
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 2
</Original>
<Expanded>
2 == 2
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.next()
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
gen.get() == 3
</Original>
<Expanded>
3 == 3
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_FALSE" filename="projects/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp" >
<Original>
!(gen.next())
</Original>
<Expanded>
!false
</Expanded>
</Expression>
<OverallResults successes="12" failures="0" expectedFailures="0"/>
</Section>
<OverallResults successes="12" failures="0" expectedFailures="0"/>
</Section>
<OverallResult success="true"/>
</TestCase>
<TestCase name="Greater-than inequalities with different epsilons" tags="[Approx]" filename="projects/<exe-name>/UsageTests/Approx.tests.cpp" >
@@ -11654,7 +12151,7 @@ loose text artifact
</Section>
<OverallResult success="true"/>
</TestCase>
<OverallResults successes="1112" failures="130" expectedFailures="21"/>
<OverallResults successes="1161" failures="130" expectedFailures="21"/>
</Group>
<OverallResults successes="1112" failures="129" expectedFailures="21"/>
<OverallResults successes="1161" failures="129" expectedFailures="21"/>
</Catch>

57
projects/SelfTest/IntrospectiveTests/GeneratorsImpl.tests.cpp
View File

@@ -43,4 +43,61 @@ TEST_CASE("Generators internals", "[generators][internals]") {
REQUIRE(gen.get() == "cc");
REQUIRE_FALSE(gen.next());
}
SECTION("Filter generator") {
// Normal usage
auto gen = filter([] (int i) { return i != 2; }, values({ 2, 1, 2, 3, 2, 2 }));
REQUIRE(gen.get() == 1);
REQUIRE(gen.next());
REQUIRE(gen.get() == 3);
REQUIRE_FALSE(gen.next());
// Completely filtered-out generator should throw on construction
REQUIRE_THROWS_AS(filter([] (int) { return false; }, value(1)), Catch::GeneratorException);
}
SECTION("Take generator") {
SECTION("Take less") {
auto gen = take(2, values({ 1, 2, 3 }));
REQUIRE(gen.get() == 1);
REQUIRE(gen.next());
REQUIRE(gen.get() == 2);
REQUIRE_FALSE(gen.next());
}
SECTION("Take more") {
auto gen = take(2, value(1));
REQUIRE(gen.get() == 1);
REQUIRE_FALSE(gen.next());
}
}
SECTION("Map") {
auto gen = map<double>([] (int i) {return 2.0 * i; }, values({ 1, 2, 3 }));
REQUIRE(gen.get() == 2.0);
REQUIRE(gen.next());
REQUIRE(gen.get() == 4.0);
REQUIRE(gen.next());
REQUIRE(gen.get() == 6.0);
REQUIRE_FALSE(gen.next());
}
SECTION("Repeat") {
SECTION("Singular repeat") {
auto gen = repeat(1, value(3));
REQUIRE(gen.get() == 3);
REQUIRE_FALSE(gen.next());
}
SECTION("Actual repeat") {
auto gen = repeat(2, values({ 1, 2, 3 }));
REQUIRE(gen.get() == 1);
REQUIRE(gen.next());
REQUIRE(gen.get() == 2);
REQUIRE(gen.next());
REQUIRE(gen.get() == 3);
REQUIRE(gen.next());
REQUIRE(gen.get() == 1);
REQUIRE(gen.next());
REQUIRE(gen.get() == 2);
REQUIRE(gen.next());
REQUIRE(gen.get() == 3);
REQUIRE_FALSE(gen.next());
}
}
}

52
projects/SelfTest/UsageTests/Generators.tests.cpp
View File

@@ -56,24 +56,7 @@ TEST_CASE("tables", "[generators]") {
#ifdef __cpp_structured_bindings
// One way to do pairs of values (actual/ expected?)
// For a simple case like this I'd recommend writing out a series of REQUIREs
// but it demonstrates a possible usage.
// Spelling out the pair like this is a bit verbose, so read on for better examples
// - the use of structured bindings here is an optional convenience
TEST_CASE( "strlen", "[approvals][generators]" ) {
auto [test_input, expected] = GENERATE( values<std::pair<std::string_view, size_t>>({
{"one", 3},
{"two", 3},
{"three", 5},
{"four", 4}
}));
REQUIRE( test_input.size() == expected );
}
// A nicer way to do pairs (or more) of values - using the table generator.
// Note, you must specify the types up-front.
// Structured bindings make the table utility much nicer to use
TEST_CASE( "strlen2", "[approvals][generators]" ) {
auto [test_input, expected] = GENERATE( table<std::string, size_t>({
{"one", 3},
@@ -129,3 +112,36 @@ SCENARIO("Eating cucumbers", "[generators][approvals]") {
}
}
#endif
// There are also some generic generator manipulators
TEST_CASE("Generators -- adapters", "[generators]") {
// TODO: This won't work yet, introduce GENERATE_VAR?
//auto numbers = Catch::Generators::values({ 1, 2, 3, 4, 5, 6 });
SECTION("Filtering by predicate") {
// This filters out all odd (false) numbers, giving [2, 4, 6]
auto i = GENERATE(filter([] (int val) { return val % 2 == 0; }, values({ 1, 2, 3, 4, 5, 6 })));
REQUIRE(i % 2 == 0);
}
SECTION("Shortening a range") {
// This takes the first 3 elements from the values, giving back [1, 2, 3]
auto i = GENERATE(take(3, values({ 1, 2, 3, 4, 5, 6 })));
REQUIRE(i < 4);
}
SECTION("Transforming elements") {
SECTION("Same type") {
// This doubles values [1, 2, 3] into [2, 4, 6]
auto i = GENERATE(map([] (int val) { return val * 2; }, values({ 1, 2, 3 })));
REQUIRE(i % 2 == 0);
}
SECTION("Different type") {
// This takes a generator that returns ints and maps them into strings
auto i = GENERATE(map<std::string>([] (int val) { return std::to_string(val); }, values({ 1, 2, 3 })));
REQUIRE(i.size() == 1);
}
}
SECTION("Repeating a generator") {
// This will return values [1, 2, 3, 1, 2, 3]
auto j = GENERATE(repeat(2, values({ 1, 2, 3 })));
REQUIRE(j > 0);
}
}