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TreeExplorer: unit test coverage for injected custom layer

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This commit is contained in:
Fischlurch 2018-09-16 01:04:00 +02:00
parent 09d923db06
commit 767156e912
2 changed files with 61 additions and 10 deletions
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45
tests/library/iter-tree-explorer-test.cpp
View file

@ -275,6 +275,7 @@ namespace test{
verify_expand_rootCurrent();
verify_transformOperation();
verify_combinedExpandTransform();
verify_customProcessingLayer();
verify_scheduledExpansion();
verify_FilterIterator();
verify_FilterChanges();
@ -720,6 +721,50 @@ namespace test{
}
/**
* demo of a custom processing layer
* interacting directly with the iteration mechanism.
* @note we can assume `SRC` is itself a Lumiera Iterator
*/
template<class SRC>
struct MagicTestRubbish
: public SRC
{
using SRC::SRC;
void
iterNext()
{
++(*this);
if (*this)
++(*this);
}
};
/** @test extension point to inject a client-defined custom processing layer
* This special builder function allows to install a template, which needs to wrap
* a source iterator and expose a _state core like_ interface. We demonstrate this
* extension mechanism here by defining a processing layer which skips each other element.
*/
void
verify_customProcessingLayer()
{
CHECK (materialise(
treeExplore(CountDown{7})
.processingLayer<MagicTestRubbish>()
)
== "7-5-3-1");
CHECK (materialise(
treeExplore(CountDown{7})
.transform([](uint v){ return 2*v; })
.processingLayer<MagicTestRubbish>()
.filter([](int v){ return v % 3; })
)
== "14-10-2");
}
/** @test child expansion can be scheduled to happen on next iteration.
* As such, _"child expansion"_ happens right away, thereby consuming a node

26
wiki/thinkPad.ichthyo.mm
View file

@ -31144,10 +31144,10 @@
<node CREATED="1536713969931" ID="ID_1439776917" MODIFIED="1536714013625" TEXT="verwirft damit auch die urspr&#xfc;ngliche Root-Sequenz"/>
</node>
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536958962984" ID="ID_686602920" MODIFIED="1536959121719" TEXT="custom Layer erm&#xf6;glichen">
<node COLOR="#338800" CREATED="1536958962984" FOLDED="true" ID="ID_686602920" MODIFIED="1537052569433" TEXT="custom Layer erm&#xf6;glichen">
<linktarget COLOR="#61afb3" DESTINATION="ID_686602920" ENDARROW="Default" ENDINCLINATION="-230;613;" ID="Arrow_ID_1710661685" SOURCE="ID_519507996" STARTARROW="None" STARTINCLINATION="1241;-1305;"/>
<icon BUILTIN="flag-yellow"/>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536958972703" ID="ID_661166644" MODIFIED="1536959071081" TEXT="generische Builder-Funktion">
<icon BUILTIN="button_ok"/>
<node COLOR="#338800" CREATED="1536958972703" ID="ID_661166644" MODIFIED="1537050781115" TEXT="generische Builder-Funktion">
<richcontent TYPE="NOTE"><html>
<head>
@ -31162,16 +31162,22 @@
</body>
</html>
</richcontent>
<icon BUILTIN="flag-yellow"/>
<icon BUILTIN="button_ok"/>
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536958979046" ID="ID_700334374" MODIFIED="1536959005539" TEXT="Typ per Template-Parameter &#xfc;bergeben">
<icon BUILTIN="flag-yellow"/>
<node COLOR="#338800" CREATED="1536958979046" ID="ID_700334374" MODIFIED="1537050782627" TEXT="Typ per Template-Parameter &#xfc;bergeben">
<icon BUILTIN="button_ok"/>
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536958994212" ID="ID_1735239890" MODIFIED="1536959004851" TEXT="flexible zus&#xe4;tzliche Argumente">
<icon BUILTIN="flag-yellow"/>
<node CREATED="1536958994212" ID="ID_1735239890" MODIFIED="1537050791509" TEXT="flexible zus&#xe4;tzliche Argumente">
<icon BUILTIN="stop-sign"/>
</node>
<node COLOR="#338800" CREATED="1536973178765" ID="ID_1098421095" MODIFIED="1537052565699" TEXT="Unit-Test">
<icon BUILTIN="button_ok"/>
<node CREATED="1536959023376" ID="ID_928142688" MODIFIED="1536973192247" TEXT="Test implizit durch IterChainSearch">
<icon BUILTIN="button_cancel"/>
</node>
<node COLOR="#338800" CREATED="1536973293197" ID="ID_858941900" MODIFIED="1537052564048" TEXT="eigens abdecken">
<icon BUILTIN="button_ok"/>
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536959023376" ID="ID_928142688" MODIFIED="1536959037879" TEXT="Test: durch IterChainSearch">
<icon BUILTIN="flag-yellow"/>
</node>
</node>
</node>