76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
package random
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import (
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"math/big"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestCryptographical(t *testing.T) {
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p := &Cryptographical{}
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data := make([]byte, 10)
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n, err := p.Read(data)
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assert.Equal(t, 10, n)
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assert.NoError(t, err)
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data2, err := p.BytesErr()
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assert.NoError(t, err)
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assert.Len(t, data2, 72)
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data2 = p.Bytes()
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assert.Len(t, data2, 72)
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data2 = p.BytesCustom(74, []byte(CharSetAlphabetic))
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assert.Len(t, data2, 74)
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data2, err = p.BytesCustomErr(76, []byte(CharSetAlphabetic))
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assert.NoError(t, err)
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assert.Len(t, data2, 76)
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data2, err = p.BytesCustomErr(-5, []byte(CharSetAlphabetic))
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assert.NoError(t, err)
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assert.Len(t, data2, 72)
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strdata := p.StringCustom(10, CharSetAlphabetic)
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assert.Len(t, strdata, 10)
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strdata, err = p.StringCustomErr(11, CharSetAlphabetic)
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assert.NoError(t, err)
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assert.Len(t, strdata, 11)
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i := p.Intn(999)
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assert.Greater(t, i, 0)
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assert.Less(t, i, 999)
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i, err = p.IntnErr(999)
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assert.NoError(t, err)
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assert.Greater(t, i, 0)
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assert.Less(t, i, 999)
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i, err = p.IntnErr(-4)
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assert.EqualError(t, err, "n must be more than 0")
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assert.Equal(t, 0, i)
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bi := p.Int(big.NewInt(999))
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assert.Greater(t, bi.Int64(), int64(0))
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assert.Less(t, bi.Int64(), int64(999))
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bi = p.Int(nil)
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assert.Equal(t, int64(-1), bi.Int64())
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bi, err = p.IntErr(nil)
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assert.Nil(t, bi)
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assert.EqualError(t, err, "max is required")
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bi, err = p.IntErr(big.NewInt(-1))
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assert.Nil(t, bi)
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assert.EqualError(t, err, "max must be 1 or more")
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prime, err := p.Prime(64)
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assert.NoError(t, err)
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assert.NotNil(t, prime)
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}
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