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44 lines
1.2 KiB
44 lines
1.2 KiB
package db
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import "testing"
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func TestIteratePrefix(t *testing.T) {
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db := NewMemDB()
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// Under "key" prefix
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db.Set(bz("key"), bz("value"))
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db.Set(bz("key1"), bz("value1"))
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db.Set(bz("key2"), bz("value2"))
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db.Set(bz("key3"), bz("value3"))
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db.Set(bz("something"), bz("else"))
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db.Set(bz(""), bz(""))
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db.Set(bz("k"), bz("val"))
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db.Set(bz("ke"), bz("valu"))
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db.Set(bz("kee"), bz("valuu"))
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xitr := db.Iterator(nil, nil)
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xitr.Key()
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pdb := NewPrefixDB(db, bz("key"))
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checkValue(t, pdb, bz("key"), nil)
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checkValue(t, pdb, bz(""), bz("value"))
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checkValue(t, pdb, bz("key1"), nil)
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checkValue(t, pdb, bz("1"), bz("value1"))
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checkValue(t, pdb, bz("key2"), nil)
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checkValue(t, pdb, bz("2"), bz("value2"))
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checkValue(t, pdb, bz("key3"), nil)
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checkValue(t, pdb, bz("3"), bz("value3"))
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checkValue(t, pdb, bz("something"), nil)
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checkValue(t, pdb, bz("k"), nil)
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checkValue(t, pdb, bz("ke"), nil)
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checkValue(t, pdb, bz("kee"), nil)
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itr := pdb.Iterator(nil, nil)
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itr.Key()
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checkItem(t, itr, bz(""), bz("value"))
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checkNext(t, itr, true)
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checkItem(t, itr, bz("1"), bz("value1"))
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checkNext(t, itr, true)
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checkItem(t, itr, bz("2"), bz("value2"))
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checkNext(t, itr, true)
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checkItem(t, itr, bz("3"), bz("value3"))
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itr.Close()
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}
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