diff options
Diffstat (limited to 'difftree/internal/merkletrie/iter_test.go')
| -rw-r--r-- | difftree/internal/merkletrie/iter_test.go | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/difftree/internal/merkletrie/iter_test.go b/difftree/internal/merkletrie/iter_test.go deleted file mode 100644 index 65116e1..0000000 --- a/difftree/internal/merkletrie/iter_test.go +++ /dev/null @@ -1,176 +0,0 @@ -package merkletrie - -import . "gopkg.in/check.v1" - -type IterSuite struct{} - -var _ = Suite(&IterSuite{}) - -// we don't care about hashes for iterating the tree, so -// use this hash for every object -var hash = []byte{} - -// leafs have no children, use this empty list. -var empty = []*node{} - -// test a defined as an operation to run on an iterator and the key of -// the node expected to be returned by the operation. Use "" as the -// expected key for when there are no more objects in the tree. -type test struct { - operation int // next or step - expected string // key of the expected node, "" for nil node -} - -// test.operation -const ( - next = iota - step -) - -// goes over a list of tests, calling each operation on the iter and -// checking that the obtained result is equal to the expected result -func runTests(c *C, description string, iter *Iter, list []test) { - var obtained Noder - var ok bool - var comment CommentInterface - - for i, t := range list { - comment = Commentf("description %q, operation #%d", - description, i+1) - - switch t.operation { - case next: - obtained, ok = iter.Next() - case step: - obtained, ok = iter.Step() - default: - c.Fatalf("invalid operation %d", t.operation) - } - - if t.expected == "" { - c.Assert(ok, Equals, false, comment) - c.Assert(obtained, IsNil, comment) - } else { - c.Assert(ok, Equals, true, comment) - c.Assert(obtained.Key(), Equals, t.expected, comment) - } - } -} - -// a simple tree consisting on just a leaf -func (s *IterSuite) TestLeaf(c *C) { - for description, tests := range runs0 { - runTests(c, description, iterLeaf(), tests) - } -} - -// root -// | -// a -func (s *IterSuite) TestOneChild(c *C) { - for description, tests := range runs1 { - runTests(c, description, iter1(), tests) - } -} - -// root -// / \ -// a b -func (s *IterSuite) Test2HorizontalSorted(c *C) { - for description, tests := range runs2Horizontal { - runTests(c, description, iter2HorizontalSorted(), tests) - } -} - -// root -// / \ -// b a -func (s *IterSuite) Test2HorizontalReverse(c *C) { - for description, tests := range runs2Horizontal { - runTests(c, description, iter2HorizontalReverse(), tests) - } -} - -// root -// | -// a -// | -// b -func (s *IterSuite) Test2VerticalSorted(c *C) { - for description, tests := range runs2VerticalSorted { - runTests(c, description, iter2VerticalSorted(), tests) - } -} - -// root -// | -// b -// | -// a -func (s *IterSuite) Test2VerticalReverse(c *C) { - for description, tests := range runs2VerticalReverse { - runTests(c, description, iter2VerticalReverse(), tests) - } -} - -// root -// /|\ -// c a b -func (s *IterSuite) Test3Horizontal(c *C) { - for description, tests := range runs3Horizontal { - runTests(c, description, iter3Horizontal(), tests) - } -} - -// root -// | -// b -// | -// c -// | -// a -func (s *IterSuite) Test3Vertical(c *C) { - for description, tests := range runs3Vertical { - runTests(c, description, iter3Vertical(), tests) - } -} - -// root -// / \ -// c a -// | -// b -func (s *IterSuite) Test3Mix1(c *C) { - for description, tests := range runs3Mix1 { - runTests(c, description, iter3Mix1(), tests) - } -} - -// root -// / \ -// b a -// | -// c -func (s *IterSuite) Test3Mix2(c *C) { - for description, tests := range runs3Mix2 { - runTests(c, description, iter3Mix2(), tests) - } -} - -// root -// / | \ -// / | ---- -// f d h -------- -// /\ / \ | -// e a j b g -// | / \ | -// l n k icm -// | -// o -// | -// p -func (s *IterSuite) TestCrazy(c *C) { - for description, tests := range runsCrazy { - runTests(c, description, iterCrazy(), tests) - } -} |