6 "github.com/stretchr/testify/require"
9 func treeTestNode(level, index int, text string) Node {
18 // treeReadNode reads the node (l, i) of tree, which must be built.
19 func treeReadNode(t *testing.T, tree *Tree, level, index int) Node {
22 node, built, err := tree.Node(level, index)
23 require.NoError(t, err)
24 require.True(t, built, "node (%d, %d)", level, index)
29 // treeIsBuilt tells if the node (l, i) of tree is built.
30 func treeIsBuilt(t *testing.T, tree *Tree, level, index int) bool {
33 built, err := tree.Built(level, index)
34 require.NoError(t, err)