diff options
Diffstat (limited to 'tests/auto/gui')
-rw-r--r-- | tests/auto/gui/util/qshadergraph/tst_qshadergraph.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/auto/gui/util/qshadergraph/tst_qshadergraph.cpp b/tests/auto/gui/util/qshadergraph/tst_qshadergraph.cpp index ce2d38c24f..50c925a111 100644 --- a/tests/auto/gui/util/qshadergraph/tst_qshadergraph.cpp +++ b/tests/auto/gui/util/qshadergraph/tst_qshadergraph.cpp @@ -114,6 +114,7 @@ private slots: void shouldSurviveCyclesDuringGraphSerialization(); void shouldDealWithEdgesJumpingOverLayers(); void shouldGenerateDifferentStatementsDependingOnActiveLayers(); + void shouldDealWithBranchesWithoutOutput(); }; void tst_QShaderGraph::shouldHaveEdgeDefaultState() @@ -774,6 +775,50 @@ void tst_QShaderGraph::shouldGenerateDifferentStatementsDependingOnActiveLayers( } } +void tst_QShaderGraph::shouldDealWithBranchesWithoutOutput() +{ + // GIVEN + const auto input = createNode({ + createPort(QShaderNodePort::Output, "input") + }); + const auto output = createNode({ + createPort(QShaderNodePort::Input, "output") + }); + const auto danglingFunction = createNode({ + createPort(QShaderNodePort::Input, "functionInput"), + createPort(QShaderNodePort::Output, "unbound") + }); + const auto function = createNode({ + createPort(QShaderNodePort::Input, "functionInput"), + createPort(QShaderNodePort::Output, "functionOutput") + }); + + const auto graph = [=] { + auto res = QShaderGraph(); + res.addNode(input); + res.addNode(function); + res.addNode(danglingFunction); + res.addNode(output); + res.addEdge(createEdge(input.uuid(), "input", function.uuid(), "functionInput")); + res.addEdge(createEdge(input.uuid(), "input", danglingFunction.uuid(), "functionInput")); + res.addEdge(createEdge(function.uuid(), "functionOutput", output.uuid(), "output")); + return res; + }(); + + // WHEN + const auto statements = graph.createStatements(); + + // THEN + // Note that no edge leads to the unbound input + const auto expected = QVector<QShaderGraph::Statement>() + << createStatement(input, {}, {0}) + << createStatement(function, {0}, {1}) + << createStatement(output, {1}, {}) + << createStatement(danglingFunction, {0}, {2}); + dumpStatementsIfNeeded(statements, expected); + QCOMPARE(statements, expected); +} + QTEST_MAIN(tst_QShaderGraph) #include "tst_qshadergraph.moc" |