46 lines
1.5 KiB
Go
46 lines
1.5 KiB
Go
package types
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestGasMeter(t *testing.T) {
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cases := []struct {
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limit Gas
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usage []Gas
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}{
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{10, []Gas{1, 2, 3, 4}},
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{1000, []Gas{40, 30, 20, 10, 900}},
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{100000, []Gas{99999, 1}},
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{100000000, []Gas{50000000, 40000000, 10000000}},
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{65535, []Gas{32768, 32767}},
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{65536, []Gas{32768, 32767, 1}},
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}
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for tcnum, tc := range cases {
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meter := NewGasMeter(tc.limit)
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used := uint64(0)
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for unum, usage := range tc.usage {
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used += usage
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require.NotPanics(t, func() { meter.ConsumeGas(usage, "") }, "Not exceeded limit but panicked. tc #%d, usage #%d", tcnum, unum)
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require.Equal(t, used, meter.GasConsumed(), "Gas consumption not match. tc #%d, usage #%d", tcnum, unum)
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require.Equal(t, used, meter.GasConsumedToLimit(), "Gas consumption (to limit) not match. tc #%d, usage #%d", tcnum, unum)
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require.False(t, meter.IsPastLimit(), "Not exceeded limit but got IsPastLimit() true")
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if unum < len(tc.usage)-1 {
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require.False(t, meter.IsOutOfGas(), "Not yet at limit but got IsOutOfGas() true")
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} else {
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require.True(t, meter.IsOutOfGas(), "At limit but got IsOutOfGas() false")
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}
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}
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require.Panics(t, func() { meter.ConsumeGas(1, "") }, "Exceeded but not panicked. tc #%d", tcnum)
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require.Equal(t, meter.GasConsumedToLimit(), meter.Limit(), "Gas consumption (to limit) not match limit")
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require.Equal(t, meter.GasConsumed(), meter.Limit()+1, "Gas consumption not match limit+1")
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break
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}
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}
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