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package util
import (
"testing"
"gotest.tools/v3/assert"
)
func TestFormatInt(t *testing.T) {
assert.Equal(t, "1", FormatInt(1))
assert.Equal(t, "10", FormatInt(10))
assert.Equal(t, "100", FormatInt(100))
// Ref: // https://en.wikipedia.org/wiki/Decimal_separator#Exceptions_to_digit_grouping
assert.Equal(t, "1000", FormatInt(1000))
assert.Equal(t, "10_000", FormatInt(10000))
assert.Equal(t, "100_000", FormatInt(100000))
assert.Equal(t, "1_000_000", FormatInt(1000000))
assert.Equal(t, "10_000_000", FormatInt(10000000))
}
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