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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pflag
import (
"fmt"
"strconv"
"strings"
"testing"
)
func setUpI32SFlagSet(isp *[]int32) *FlagSet {
f := NewFlagSet("test", ContinueOnError)
f.Int32SliceVar(isp, "is", []int32{}, "Command separated list!")
return f
}
func setUpI32SFlagSetWithDefault(isp *[]int32) *FlagSet {
f := NewFlagSet("test", ContinueOnError)
f.Int32SliceVar(isp, "is", []int32{0, 1}, "Command separated list!")
return f
}
func TestEmptyI32S(t *testing.T) {
var is []int32
f := setUpI32SFlagSet(&is)
err := f.Parse([]string{})
if err != nil {
t.Fatal("expected no error; got", err)
}
getI32S, err := f.GetInt32Slice("is")
if err != nil {
t.Fatal("got an error from GetInt32Slice():", err)
}
if len(getI32S) != 0 {
t.Fatalf("got is %v with len=%d but expected length=0", getI32S, len(getI32S))
}
}
func TestI32S(t *testing.T) {
var is []int32
f := setUpI32SFlagSet(&is)
vals := []string{"1", "2", "4", "3"}
arg := fmt.Sprintf("--is=%s", strings.Join(vals, ","))
err := f.Parse([]string{arg})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range is {
d64, err := strconv.ParseInt(vals[i], 0, 32)
if err != nil {
t.Fatalf("got error: %v", err)
}
d := int32(d64)
if d != v {
t.Fatalf("expected is[%d] to be %s but got: %d", i, vals[i], v)
}
}
getI32S, err := f.GetInt32Slice("is")
if err != nil {
t.Fatalf("got error: %v", err)
}
for i, v := range getI32S {
d64, err := strconv.ParseInt(vals[i], 0, 32)
if err != nil {
t.Fatalf("got error: %v", err)
}
d := int32(d64)
if d != v {
t.Fatalf("expected is[%d] to be %s but got: %d from GetInt32Slice", i, vals[i], v)
}
}
}
func TestI32SDefault(t *testing.T) {
var is []int32
f := setUpI32SFlagSetWithDefault(&is)
vals := []string{"0", "1"}
err := f.Parse([]string{})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range is {
d64, err := strconv.ParseInt(vals[i], 0, 32)
if err != nil {
t.Fatalf("got error: %v", err)
}
d := int32(d64)
if d != v {
t.Fatalf("expected is[%d] to be %d but got: %d", i, d, v)
}
}
getI32S, err := f.GetInt32Slice("is")
if err != nil {
t.Fatal("got an error from GetInt32Slice():", err)
}
for i, v := range getI32S {
d64, err := strconv.ParseInt(vals[i], 0, 32)
if err != nil {
t.Fatal("got an error from GetInt32Slice():", err)
}
d := int32(d64)
if d != v {
t.Fatalf("expected is[%d] to be %d from GetInt32Slice but got: %d", i, d, v)
}
}
}
func TestI32SWithDefault(t *testing.T) {
var is []int32
f := setUpI32SFlagSetWithDefault(&is)
vals := []string{"1", "2"}
arg := fmt.Sprintf("--is=%s", strings.Join(vals, ","))
err := f.Parse([]string{arg})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range is {
d64, err := strconv.ParseInt(vals[i], 0, 32)
if err != nil {
t.Fatalf("got error: %v", err)
}
d := int32(d64)
if d != v {
t.Fatalf("expected is[%d] to be %d but got: %d", i, d, v)
}
}
getI32S, err := f.GetInt32Slice("is")
if err != nil {
t.Fatal("got an error from GetInt32Slice():", err)
}
for i, v := range getI32S {
d64, err := strconv.ParseInt(vals[i], 0, 32)
if err != nil {
t.Fatalf("got error: %v", err)
}
d := int32(d64)
if d != v {
t.Fatalf("expected is[%d] to be %d from GetInt32Slice but got: %d", i, d, v)
}
}
}
func TestI32SAsSliceValue(t *testing.T) {
var i32s []int32
f := setUpI32SFlagSet(&i32s)
in := []string{"1", "2"}
argfmt := "--is=%s"
arg1 := fmt.Sprintf(argfmt, in[0])
arg2 := fmt.Sprintf(argfmt, in[1])
err := f.Parse([]string{arg1, arg2})
if err != nil {
t.Fatal("expected no error; got", err)
}
f.VisitAll(func(f *Flag) {
if val, ok := f.Value.(SliceValue); ok {
_ = val.Replace([]string{"3"})
}
})
if len(i32s) != 1 || i32s[0] != 3 {
t.Fatalf("Expected ss to be overwritten with '3.1', but got: %v", i32s)
}
}
func TestI32SCalledTwice(t *testing.T) {
var is []int32
f := setUpI32SFlagSet(&is)
in := []string{"1,2", "3"}
expected := []int32{1, 2, 3}
argfmt := "--is=%s"
arg1 := fmt.Sprintf(argfmt, in[0])
arg2 := fmt.Sprintf(argfmt, in[1])
err := f.Parse([]string{arg1, arg2})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range is {
if expected[i] != v {
t.Fatalf("expected is[%d] to be %d but got: %d", i, expected[i], v)
}
}
}
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