155 lines
3.0 KiB
Go
155 lines
3.0 KiB
Go
//args: -Ewastedassign
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package testdata
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import "strings"
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func pa(x int) int {
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return x + 1
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}
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func multiple(val interface{}, times uint) interface{} {
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switch hogehoge := val.(type) {
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case int:
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return 12
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case string:
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return strings.Repeat(hogehoge, int(times))
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default:
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return nil
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}
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}
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func noUseParams(params string) int {
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a := 12
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println(a)
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return a
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}
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func f(param int) int {
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println(param)
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useOutOfIf := 1212121 // ERROR "assigned to useOutOfIf, but reassigned without using the value"
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ret := 0
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if false {
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useOutOfIf = 200 // ERROR "assigned to useOutOfIf, but never used afterwards"
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return 0
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} else if param == 100 {
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useOutOfIf = 100 // ERROR "assigned to useOutOfIf, but reassigned without using the value"
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useOutOfIf = 201
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useOutOfIf = pa(useOutOfIf)
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useOutOfIf += 200 // ERROR "assigned to useOutOfIf, but reassigned without using the value"
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} else {
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useOutOfIf = 100
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useOutOfIf += 100
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useOutOfIf = pa(useOutOfIf)
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useOutOfIf += 200 // ERROR "assigned to useOutOfIf, but reassigned without using the value"
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}
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if false {
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useOutOfIf = 200 // ERROR "assigned to useOutOfIf, but never used afterwards"
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return 0
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} else if param == 200 {
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useOutOfIf = 100 // ERROR "assigned to useOutOfIf, but reassigned without using the value"
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useOutOfIf = 201
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useOutOfIf = pa(useOutOfIf)
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useOutOfIf += 200
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} else {
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useOutOfIf = 100
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useOutOfIf += 100
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useOutOfIf = pa(useOutOfIf)
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useOutOfIf += 200
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}
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// useOutOfIf = 12
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println(useOutOfIf)
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useOutOfIf = 192
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useOutOfIf += 100
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useOutOfIf += 200 // ERROR "assigned to useOutOfIf, but never used afterwards"
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return ret
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}
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func checkLoopTest() int {
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hoge := 12
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noUse := 1111
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println(noUse)
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noUse = 1111 // ERROR "assigned to noUse, but never used afterwards"
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for {
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if hoge == 14 {
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break
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}
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hoge = hoge + 1
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}
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return hoge
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}
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func r(param int) int {
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println(param)
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useOutOfIf := 1212121
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ret := 0
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if false {
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useOutOfIf = 200 // ERROR "assigned to useOutOfIf, but never used afterwards"
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return 0
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} else if param == 100 {
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ret = useOutOfIf
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} else if param == 200 {
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useOutOfIf = 100 // ERROR "assigned to useOutOfIf, but reassigned without using the value"
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useOutOfIf = 100
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useOutOfIf = pa(useOutOfIf)
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useOutOfIf += 200 // ERROR "assigned to useOutOfIf, but reassigned without using the value"
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}
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useOutOfIf = 12
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println(useOutOfIf)
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useOutOfIf = 192
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useOutOfIf += 100
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useOutOfIf += 200 // ERROR "assigned to useOutOfIf, but never used afterwards"
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return ret
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}
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func mugen() {
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var i int
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var hoge int
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for {
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hoge = 5 // ERROR "assigned to hoge, but reassigned without using the value"
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// break
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}
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println(i)
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println(hoge)
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return
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}
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func noMugen() {
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var i int
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var hoge int
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for {
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hoge = 5
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break
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}
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println(i)
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println(hoge)
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return
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}
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func reassignInsideLoop() {
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bar := func(b []byte) ([]byte, error) { return b, nil }
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var err error
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var rest []byte
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for {
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rest, err = bar(rest)
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if err == nil {
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break
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}
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}
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return
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}
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func reassignInsideLoop2() {
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var x int = 0
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var y int = 1
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for i := 1; i < 3; i++ {
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x += y
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y *= 2 * i
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}
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println(x)
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}
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