Fix ChunkGenerator with chunk-size 0

Fixes #1671
This commit is contained in:
David Sommerich 2019-06-29 23:48:30 +10:00
parent 6f32c67ea7
commit 9cf5897a11
7 changed files with 101 additions and 10 deletions

View File

@ -205,6 +205,7 @@ namespace Generators {
m_chunk_size(size), m_generator(std::move(generator))
{
m_chunk.reserve(m_chunk_size);
if (m_chunk_size != 0) {
m_chunk.push_back(m_generator.get());
for (size_t i = 1; i < m_chunk_size; ++i) {
if (!m_generator.next()) {
@ -213,6 +214,7 @@ namespace Generators {
m_chunk.push_back(m_generator.get());
}
}
}
std::vector<T> const& get() const override {
return m_chunk;
}

View File

@ -467,6 +467,9 @@ Generators.tests.cpp:<line number>: passed: chunk2.front() < 3 for: 1 < 3
Generators.tests.cpp:<line number>: passed: chunk2.size() == 2 for: 2 == 2
Generators.tests.cpp:<line number>: passed: chunk2.front() == chunk2.back() for: 2 == 2
Generators.tests.cpp:<line number>: passed: chunk2.front() < 3 for: 2 < 3
Generators.tests.cpp:<line number>: passed: chunk2.size() == 0 for: 0 == 0
Generators.tests.cpp:<line number>: passed: chunk2.size() == 0 for: 0 == 0
Generators.tests.cpp:<line number>: passed: chunk2.size() == 0 for: 0 == 0
Generators.tests.cpp:<line number>: passed: chunk(2, value(1)), Catch::GeneratorException
Generators.tests.cpp:<line number>: passed: j < i for: -3 < 1
Generators.tests.cpp:<line number>: passed: j < i for: -2 < 1

View File

@ -1381,5 +1381,5 @@ due to unexpected exception with message:
===============================================================================
test cases: 295 | 221 passed | 70 failed | 4 failed as expected
assertions: 1547 | 1395 passed | 131 failed | 21 failed as expected
assertions: 1550 | 1398 passed | 131 failed | 21 failed as expected

View File

@ -3547,6 +3547,45 @@ Generators.tests.cpp:<line number>: PASSED:
with expansion:
2 < 3
-------------------------------------------------------------------------------
Generators -- adapters
Chunking a generator into sized pieces
Chunk size of zero
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( chunk2.size() == 0 )
with expansion:
0 == 0
-------------------------------------------------------------------------------
Generators -- adapters
Chunking a generator into sized pieces
Chunk size of zero
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( chunk2.size() == 0 )
with expansion:
0 == 0
-------------------------------------------------------------------------------
Generators -- adapters
Chunking a generator into sized pieces
Chunk size of zero
-------------------------------------------------------------------------------
Generators.tests.cpp:<line number>
...............................................................................
Generators.tests.cpp:<line number>: PASSED:
REQUIRE( chunk2.size() == 0 )
with expansion:
0 == 0
-------------------------------------------------------------------------------
Generators -- adapters
Chunking a generator into sized pieces
@ -12335,5 +12374,5 @@ Misc.tests.cpp:<line number>: PASSED:
===============================================================================
test cases: 295 | 205 passed | 86 failed | 4 failed as expected
assertions: 1564 | 1395 passed | 148 failed | 21 failed as expected
assertions: 1567 | 1398 passed | 148 failed | 21 failed as expected

View File

@ -1,7 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<testsuitesloose text artifact
>
<testsuite name="<exe-name>" errors="17" failures="132" tests="1565" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
<testsuite name="<exe-name>" errors="17" failures="132" tests="1568" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
<properties>
<property name="filters" value="~[!nonportable]~[!benchmark]~[approvals]"/>
<property name="random-seed" value="1"/>
@ -416,6 +416,7 @@ Message.tests.cpp:<line number>
<testcase classname="<exe-name>.global" name="Generators -- adapters/Repeating a generator" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- adapters/Chunking a generator into sized pieces/Number of elements in source is divisible by chunk size" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- adapters/Chunking a generator into sized pieces/Number of elements in source is not divisible by chunk size" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- adapters/Chunking a generator into sized pieces/Chunk size of zero" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- adapters/Chunking a generator into sized pieces/Throws on too small generators" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- simple/one" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Generators -- simple/two" time="{duration}"/>

View File

@ -4260,6 +4260,48 @@ Nor would this
</Section>
<OverallResults successes="3" failures="0" expectedFailures="0"/>
</Section>
<Section name="Chunking a generator into sized pieces" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Chunk size of zero" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
chunk2.size() == 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="Chunking a generator into sized pieces" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Chunk size of zero" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
chunk2.size() == 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="Chunking a generator into sized pieces" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Chunk size of zero" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Original>
chunk2.size() == 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="Chunking a generator into sized pieces" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Section name="Throws on too small generators" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
<Expression success="true" type="REQUIRE_THROWS_AS" filename="projects/<exe-name>/UsageTests/Generators.tests.cpp" >
@ -14692,7 +14734,7 @@ loose text artifact
</Section>
<OverallResult success="true"/>
</TestCase>
<OverallResults successes="1395" failures="149" expectedFailures="21"/>
<OverallResults successes="1398" failures="149" expectedFailures="21"/>
</Group>
<OverallResults successes="1395" failures="148" expectedFailures="21"/>
<OverallResults successes="1398" failures="148" expectedFailures="21"/>
</Catch>

View File

@ -167,6 +167,10 @@ TEST_CASE("Generators -- adapters", "[generators][generic]") {
REQUIRE(chunk2.front() == chunk2.back());
REQUIRE(chunk2.front() < 3);
}
SECTION("Chunk size of zero") {
auto chunk2 = GENERATE(take(3, chunk(0, value(1))));
REQUIRE(chunk2.size() == 0);
}
SECTION("Throws on too small generators") {
using namespace Catch::Generators;
REQUIRE_THROWS_AS(chunk(2, value(1)), Catch::GeneratorException);