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graph: add Empty universal iterator for empty returns

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This commit is contained in:
Dan Kortschak
2018-12-13 07:56:04 +10:30
parent fd50e23eae
commit 14c7f9569f
29 changed files with 362 additions and 140 deletions
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56
graph/simple/densegraph_test.go
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@@ -73,25 +73,25 @@ func TestDirectedMatrix(t *testing.T) {
testgraph.NodeExistence(t, directedMatrixBuilder)
})
t.Run("ReturnAdjacentNodes", func(t *testing.T) {
testgraph.ReturnAdjacentNodes(t, directedMatrixBuilder)
testgraph.ReturnAdjacentNodes(t, directedMatrixBuilder, true)
})
t.Run("ReturnAllEdges", func(t *testing.T) {
testgraph.ReturnAllEdges(t, directedMatrixBuilder)
testgraph.ReturnAllEdges(t, directedMatrixBuilder, true)
})
t.Run("ReturnAllNodes", func(t *testing.T) {
testgraph.ReturnAllNodes(t, directedMatrixBuilder)
testgraph.ReturnAllNodes(t, directedMatrixBuilder, true)
})
t.Run("ReturnAllWeightedEdges", func(t *testing.T) {
testgraph.ReturnAllWeightedEdges(t, directedMatrixBuilder)
testgraph.ReturnAllWeightedEdges(t, directedMatrixBuilder, true)
})
t.Run("ReturnEdgeSlice", func(t *testing.T) {
testgraph.ReturnEdgeSlice(t, directedMatrixBuilder)
testgraph.ReturnEdgeSlice(t, directedMatrixBuilder, true)
})
t.Run("ReturnWeightedEdgeSlice", func(t *testing.T) {
testgraph.ReturnWeightedEdgeSlice(t, directedMatrixBuilder)
testgraph.ReturnWeightedEdgeSlice(t, directedMatrixBuilder, true)
})
t.Run("ReturnNodeSlice", func(t *testing.T) {
testgraph.ReturnNodeSlice(t, directedMatrixBuilder)
testgraph.ReturnNodeSlice(t, directedMatrixBuilder, true)
})
t.Run("Weight", func(t *testing.T) {
testgraph.Weight(t, directedMatrixBuilder)
@@ -142,25 +142,25 @@ func TestDirectedMatrixFrom(t *testing.T) {
testgraph.NodeExistence(t, directedMatrixFromBuilder)
})
t.Run("ReturnAdjacentNodes", func(t *testing.T) {
testgraph.ReturnAdjacentNodes(t, directedMatrixFromBuilder)
testgraph.ReturnAdjacentNodes(t, directedMatrixFromBuilder, true)
})
t.Run("ReturnAllEdges", func(t *testing.T) {
testgraph.ReturnAllEdges(t, directedMatrixFromBuilder)
testgraph.ReturnAllEdges(t, directedMatrixFromBuilder, true)
})
t.Run("ReturnAllNodes", func(t *testing.T) {
testgraph.ReturnAllNodes(t, directedMatrixFromBuilder)
testgraph.ReturnAllNodes(t, directedMatrixFromBuilder, true)
})
t.Run("ReturnAllWeightedEdges", func(t *testing.T) {
testgraph.ReturnAllWeightedEdges(t, directedMatrixFromBuilder)
testgraph.ReturnAllWeightedEdges(t, directedMatrixFromBuilder, true)
})
t.Run("ReturnEdgeSlice", func(t *testing.T) {
testgraph.ReturnEdgeSlice(t, directedMatrixFromBuilder)
testgraph.ReturnEdgeSlice(t, directedMatrixFromBuilder, true)
})
t.Run("ReturnWeightedEdgeSlice", func(t *testing.T) {
testgraph.ReturnWeightedEdgeSlice(t, directedMatrixFromBuilder)
testgraph.ReturnWeightedEdgeSlice(t, directedMatrixFromBuilder, true)
})
t.Run("ReturnNodeSlice", func(t *testing.T) {
testgraph.ReturnNodeSlice(t, directedMatrixFromBuilder)
testgraph.ReturnNodeSlice(t, directedMatrixFromBuilder, true)
})
t.Run("Weight", func(t *testing.T) {
testgraph.Weight(t, directedMatrixFromBuilder)
@@ -211,25 +211,25 @@ func TestUnirectedMatrix(t *testing.T) {
testgraph.NodeExistence(t, undirectedMatrixBuilder)
})
t.Run("ReturnAdjacentNodes", func(t *testing.T) {
testgraph.ReturnAdjacentNodes(t, undirectedMatrixBuilder)
testgraph.ReturnAdjacentNodes(t, undirectedMatrixBuilder, true)
})
t.Run("ReturnAllEdges", func(t *testing.T) {
testgraph.ReturnAllEdges(t, undirectedMatrixBuilder)
testgraph.ReturnAllEdges(t, undirectedMatrixBuilder, true)
})
t.Run("ReturnAllNodes", func(t *testing.T) {
testgraph.ReturnAllNodes(t, undirectedMatrixBuilder)
testgraph.ReturnAllNodes(t, undirectedMatrixBuilder, true)
})
t.Run("ReturnAllWeightedEdges", func(t *testing.T) {
testgraph.ReturnAllWeightedEdges(t, undirectedMatrixBuilder)
testgraph.ReturnAllWeightedEdges(t, undirectedMatrixBuilder, true)
})
t.Run("ReturnEdgeSlice", func(t *testing.T) {
testgraph.ReturnEdgeSlice(t, undirectedMatrixBuilder)
testgraph.ReturnEdgeSlice(t, undirectedMatrixBuilder, true)
})
t.Run("ReturnWeightedEdgeSlice", func(t *testing.T) {
testgraph.ReturnWeightedEdgeSlice(t, undirectedMatrixBuilder)
testgraph.ReturnWeightedEdgeSlice(t, undirectedMatrixBuilder, true)
})
t.Run("ReturnNodeSlice", func(t *testing.T) {
testgraph.ReturnNodeSlice(t, undirectedMatrixBuilder)
testgraph.ReturnNodeSlice(t, undirectedMatrixBuilder, true)
})
t.Run("Weight", func(t *testing.T) {
testgraph.Weight(t, undirectedMatrixBuilder)
@@ -280,25 +280,25 @@ func TestUndirectedMatrixFrom(t *testing.T) {
testgraph.NodeExistence(t, undirectedMatrixFromBuilder)
})
t.Run("ReturnAdjacentNodes", func(t *testing.T) {
testgraph.ReturnAdjacentNodes(t, undirectedMatrixFromBuilder)
testgraph.ReturnAdjacentNodes(t, undirectedMatrixFromBuilder, true)
})
t.Run("ReturnAllEdges", func(t *testing.T) {
testgraph.ReturnAllEdges(t, undirectedMatrixFromBuilder)
testgraph.ReturnAllEdges(t, undirectedMatrixFromBuilder, true)
})
t.Run("ReturnAllNodes", func(t *testing.T) {
testgraph.ReturnAllNodes(t, undirectedMatrixFromBuilder)
testgraph.ReturnAllNodes(t, undirectedMatrixFromBuilder, true)
})
t.Run("ReturnAllWeightedEdges", func(t *testing.T) {
testgraph.ReturnAllWeightedEdges(t, undirectedMatrixFromBuilder)
testgraph.ReturnAllWeightedEdges(t, undirectedMatrixFromBuilder, true)
})
t.Run("ReturnEdgeSlice", func(t *testing.T) {
testgraph.ReturnEdgeSlice(t, undirectedMatrixFromBuilder)
testgraph.ReturnEdgeSlice(t, undirectedMatrixFromBuilder, true)
})
t.Run("ReturnWeightedEdgeSlice", func(t *testing.T) {
testgraph.ReturnWeightedEdgeSlice(t, undirectedMatrixFromBuilder)
testgraph.ReturnWeightedEdgeSlice(t, undirectedMatrixFromBuilder, true)
})
t.Run("ReturnNodeSlice", func(t *testing.T) {
testgraph.ReturnNodeSlice(t, undirectedMatrixFromBuilder)
testgraph.ReturnNodeSlice(t, undirectedMatrixFromBuilder, true)
})
t.Run("Weight", func(t *testing.T) {
testgraph.Weight(t, undirectedMatrixFromBuilder)