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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package inverted
import (
"fmt"
"math"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// TestSerialization makes sure that writing and reading into the
// lexicographically sortable types byte slices ends up with the same values as
// original. There is no focus on the sortability itself, as that is already
// tested extensively in analyzer_test.go
func TestSerialization(t *testing.T) {
t.Run("float64", func(t *testing.T) {
subjects := []float64{
math.SmallestNonzeroFloat64,
-400.0001,
-21,
0,
21,
400.0001,
math.MaxFloat64,
}
for _, sub := range subjects {
t.Run(fmt.Sprintf("with %f", sub), func(t *testing.T) {
bytes, err := LexicographicallySortableFloat64(sub)
require.Nil(t, err)
parsed, err := ParseLexicographicallySortableFloat64(bytes)
require.Nil(t, err)
assert.Equal(t, sub, parsed, "before and after must match")
})
}
})
t.Run("int64", func(t *testing.T) {
subjects := []int64{
math.MinInt64,
-400,
-21,
0,
21,
400,
math.MaxInt64,
}
for _, sub := range subjects {
t.Run(fmt.Sprintf("with %d", sub), func(t *testing.T) {
bytes, err := LexicographicallySortableInt64(sub)
require.Nil(t, err)
parsed, err := ParseLexicographicallySortableInt64(bytes)
require.Nil(t, err)
assert.Equal(t, sub, parsed, "before and after must match")
})
}
})
t.Run("uint64", func(t *testing.T) {
subjects := []uint64{
0,
21,
400,
math.MaxUint64,
}
for _, sub := range subjects {
t.Run(fmt.Sprintf("with %d", sub), func(t *testing.T) {
bytes, err := LexicographicallySortableUint64(sub)
require.Nil(t, err)
parsed, err := ParseLexicographicallySortableUint64(bytes)
require.Nil(t, err)
assert.Equal(t, sub, parsed, "before and after must match")
})
}
})
}
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