func testFetchHeightRange(t *testing.T, db database.Db, blocks []*btcutil.Block) {
var testincrement int64 = 50
var testcnt int64 = 100
shanames := make([]*wire.ShaHash, len(blocks))
nBlocks := int64(len(blocks))
for i := range blocks {
blockSha, err := blocks[i].Sha()
if err != nil {
t.Errorf("FetchHeightRange: unexpected failure computing block sah %v", err)
}
shanames[i] = blockSha
}
for startheight := int64(0); startheight < nBlocks; startheight += testincrement {
endheight := startheight + testcnt
if endheight > nBlocks {
endheight = database.AllShas
}
shalist, err := db.FetchHeightRange(startheight, endheight)
if err != nil {
t.Errorf("FetchHeightRange: unexpected failure looking up shas %v", err)
}
if endheight == database.AllShas {
if int64(len(shalist)) != nBlocks-startheight {
t.Errorf("FetchHeightRange: expected A %v shas, got %v", nBlocks-startheight, len(shalist))
}
} else {
if int64(len(shalist)) != testcnt {
t.Errorf("FetchHeightRange: expected %v shas, got %v", testcnt, len(shalist))
}
}
for i := range shalist {
sha0 := *shanames[int64(i)+startheight]
sha1 := shalist[i]
if sha0 != sha1 {
t.Errorf("FetchHeightRange: mismatch sha at %v requested range %v %v: %v %v ", int64(i)+startheight, startheight, endheight, sha0, sha1)
}
}
}
}
