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45 lines
895 B
45 lines
895 B
package atoi_test
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import (
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"testing"
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"git.jxs.me/leetgo/atoi"
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"github.com/stretchr/testify/require"
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)
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func TestEmpty(t *testing.T) {
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require.Equal(t, 0, atoi.Convert(""))
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}
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func TestSingle(t *testing.T) {
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require.Equal(t, 7, atoi.Convert("7"))
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}
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func TestExample1(t *testing.T) {
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require.Equal(t, 42, atoi.Convert("42"))
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}
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func TestExample2(t *testing.T) {
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require.Equal(t, -42, atoi.Convert(" -42"))
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}
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func TestExample3(t *testing.T) {
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require.Equal(t, 4193, atoi.Convert("4193 with words"))
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}
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func TestZeroPrefix(t *testing.T) {
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require.Equal(t, 101, atoi.Convert("+00101"))
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}
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func TestOverflow(t *testing.T) {
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require.Equal(t, -2147483648, atoi.Convert("-91283472332"))
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}
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func TestHuge(t *testing.T) {
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require.Equal(t, 2147483647, atoi.Convert("20000000000000000000"))
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}
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func TestPad(t *testing.T) {
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require.Equal(t, 12345678, atoi.Convert(" 0000000000012345678"))
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}
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