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729c83ee72
* stack-based execution model, documented in documentation * circbuf for capturing hook output * built-in hooks for postgres and mysql * refactor docs, too much info on the jobs page, too difficult to discover snapshotting & hooks Co-authored-by: Ross Williams <ross@ross-williams.net> Co-authored-by: Christian Schwarz <me@cschwarz.com> fixes #74
17 lines
756 B
Go
17 lines
756 B
Go
package circlog
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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 TestNextPow2Int(t *testing.T) {
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require.Equal(t, 512, nextPow2Int(512), "a power of 2 should round to itself")
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require.Equal(t, 1024, nextPow2Int(513), "should round up to the next power of 2")
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require.PanicsWithValue(t, "can only round up positive integers", func() { nextPow2Int(0) }, "unimplemented: zero is not positive; corner case")
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require.PanicsWithValue(t, "can only round up positive integers", func() { nextPow2Int(-1) }, "unimplemented: cannot round up negative numbers")
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maxInt := int((^uint(0)) >> 1)
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require.PanicsWithValue(t, "rounded to larger than int()", func() { nextPow2Int(maxInt - 1) }, "cannot round to a number bigger than the int type")
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}
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