diff options
Diffstat (limited to 'consensus/ethash/algorithm_go1.8_test.go')
-rw-r--r-- | consensus/ethash/algorithm_go1.8_test.go | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/consensus/ethash/algorithm_go1.8_test.go b/consensus/ethash/algorithm_go1.8_test.go new file mode 100644 index 000000000..fdc302318 --- /dev/null +++ b/consensus/ethash/algorithm_go1.8_test.go @@ -0,0 +1,46 @@ +// Copyright 2017 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. + +// +build go1.8 + +package ethash + +import "testing" + +// Tests whether the dataset size calculator work correctly by cross checking the +// hard coded lookup table with the value generated by it. +func TestSizeCalculations(t *testing.T) { + var tests []uint64 + + // Verify all the cache sizes from the lookup table + defer func(sizes []uint64) { cacheSizes = sizes }(cacheSizes) + tests, cacheSizes = cacheSizes, []uint64{} + + for i, test := range tests { + if size := cacheSize(uint64(i*epochLength) + 1); size != test { + t.Errorf("cache %d: cache size mismatch: have %d, want %d", i, size, test) + } + } + // Verify all the dataset sizes from the lookup table + defer func(sizes []uint64) { datasetSizes = sizes }(datasetSizes) + tests, datasetSizes = datasetSizes, []uint64{} + + for i, test := range tests { + if size := datasetSize(uint64(i*epochLength) + 1); size != test { + t.Errorf("dataset %d: dataset size mismatch: have %d, want %d", i, size, test) + } + } +} |