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