| // 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 setUpF32SFlagSet(f32sp *[]float32) *FlagSet { |
| f := NewFlagSet("test", ContinueOnError) |
| f.Float32SliceVar(f32sp, "f32s", []float32{}, "Command separated list!") |
| return f |
| } |
| |
| func setUpF32SFlagSetWithDefault(f32sp *[]float32) *FlagSet { |
| f := NewFlagSet("test", ContinueOnError) |
| f.Float32SliceVar(f32sp, "f32s", []float32{0.0, 1.0}, "Command separated list!") |
| return f |
| } |
| |
| func TestEmptyF32S(t *testing.T) { |
| var f32s []float32 |
| f := setUpF32SFlagSet(&f32s) |
| err := f.Parse([]string{}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| |
| getF32S, err := f.GetFloat32Slice("f32s") |
| if err != nil { |
| t.Fatal("got an error from GetFloat32Slice():", err) |
| } |
| if len(getF32S) != 0 { |
| t.Fatalf("got f32s %v with len=%d but expected length=0", getF32S, len(getF32S)) |
| } |
| } |
| |
| func TestF32S(t *testing.T) { |
| var f32s []float32 |
| f := setUpF32SFlagSet(&f32s) |
| |
| vals := []string{"1.0", "2.0", "4.0", "3.0"} |
| arg := fmt.Sprintf("--f32s=%s", strings.Join(vals, ",")) |
| err := f.Parse([]string{arg}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range f32s { |
| d64, err := strconv.ParseFloat(vals[i], 32) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| |
| d := float32(d64) |
| if d != v { |
| t.Fatalf("expected f32s[%d] to be %s but got: %f", i, vals[i], v) |
| } |
| } |
| getF32S, err := f.GetFloat32Slice("f32s") |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| for i, v := range getF32S { |
| d64, err := strconv.ParseFloat(vals[i], 32) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| |
| d := float32(d64) |
| if d != v { |
| t.Fatalf("expected f32s[%d] to be %s but got: %f from GetFloat32Slice", i, vals[i], v) |
| } |
| } |
| } |
| |
| func TestF32SDefault(t *testing.T) { |
| var f32s []float32 |
| f := setUpF32SFlagSetWithDefault(&f32s) |
| |
| vals := []string{"0.0", "1.0"} |
| |
| err := f.Parse([]string{}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range f32s { |
| d64, err := strconv.ParseFloat(vals[i], 32) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| |
| d := float32(d64) |
| if d != v { |
| t.Fatalf("expected f32s[%d] to be %f but got: %f", i, d, v) |
| } |
| } |
| |
| getF32S, err := f.GetFloat32Slice("f32s") |
| if err != nil { |
| t.Fatal("got an error from GetFloat32Slice():", err) |
| } |
| for i, v := range getF32S { |
| d64, err := strconv.ParseFloat(vals[i], 32) |
| if err != nil { |
| t.Fatal("got an error from GetFloat32Slice():", err) |
| } |
| |
| d := float32(d64) |
| if d != v { |
| t.Fatalf("expected f32s[%d] to be %f from GetFloat32Slice but got: %f", i, d, v) |
| } |
| } |
| } |
| |
| func TestF32SWithDefault(t *testing.T) { |
| var f32s []float32 |
| f := setUpF32SFlagSetWithDefault(&f32s) |
| |
| vals := []string{"1.0", "2.0"} |
| arg := fmt.Sprintf("--f32s=%s", strings.Join(vals, ",")) |
| err := f.Parse([]string{arg}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range f32s { |
| d64, err := strconv.ParseFloat(vals[i], 32) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| |
| d := float32(d64) |
| if d != v { |
| t.Fatalf("expected f32s[%d] to be %f but got: %f", i, d, v) |
| } |
| } |
| |
| getF32S, err := f.GetFloat32Slice("f32s") |
| if err != nil { |
| t.Fatal("got an error from GetFloat32Slice():", err) |
| } |
| for i, v := range getF32S { |
| d64, err := strconv.ParseFloat(vals[i], 32) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| |
| d := float32(d64) |
| if d != v { |
| t.Fatalf("expected f32s[%d] to be %f from GetFloat32Slice but got: %f", i, d, v) |
| } |
| } |
| } |
| |
| func TestF32SAsSliceValue(t *testing.T) { |
| var f32s []float32 |
| f := setUpF32SFlagSet(&f32s) |
| |
| in := []string{"1.0", "2.0"} |
| argfmt := "--f32s=%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{"3.1"}) |
| } |
| }) |
| if len(f32s) != 1 || f32s[0] != 3.1 { |
| t.Fatalf("Expected ss to be overwritten with '3.1', but got: %v", f32s) |
| } |
| } |
| |
| func TestF32SCalledTwice(t *testing.T) { |
| var f32s []float32 |
| f := setUpF32SFlagSet(&f32s) |
| |
| in := []string{"1.0,2.0", "3.0"} |
| expected := []float32{1.0, 2.0, 3.0} |
| argfmt := "--f32s=%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 f32s { |
| if expected[i] != v { |
| t.Fatalf("expected f32s[%d] to be %f but got: %f", i, expected[i], v) |
| } |
| } |
| } |