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Merge pull request #1008 from steven004/EnhanceRle

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Enhance rleplus testing
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Łukasz Magiera 2020-01-07 14:44:02 +01:00 committed by GitHub
commit f6b96480d1
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1 changed files with 33 additions and 1 deletions
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34
extern/rleplus/rleplus_test.go vendored
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@ -64,8 +64,40 @@ func TestRleplus(t *testing.T) {
t.Run("Encode allows all runs sizes possible uint64", func(t *testing.T) {
// create a run of math.MaxUint64
ints := []uint64{math.MaxUint64}
_, _, err := rleplus.Encode(ints)
// There would be 64 bits(1) for the UvarInt, totally 9 bytes.
expected := []byte{0xe0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0x20}
encodeBytes, _, err := rleplus.Encode(ints)
assert.NilError(t, err)
for idx, v := range encodeBytes {
assert.Equal(
t,
fmt.Sprintf("%8b", v),
fmt.Sprintf("%8b", expected[idx]),
)
}
})
t.Run("Encode for some big numbers", func(t *testing.T) {
// create a run of math.MaxUint64
ints := make([]uint64, 1024)
// ints {2^63 .. 2^63+1023}
for i := uint64(0); i < 1024; i++ {
ints[i] = uint64(1)<<63 + i
}
expected := []byte{0x00, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x30, 0x00, 0x40, 0x04}
encodeBytes, _, err := rleplus.Encode(ints)
assert.NilError(t, err)
for idx, v := range encodeBytes {
// fmt.Println(v, expected[idx])
assert.Equal(
t,
fmt.Sprintf("%8b", v),
fmt.Sprintf("%8b", expected[idx]),
)
}
})
t.Run("Decode", func(t *testing.T) {