1 files changed, 177 insertions, 0 deletions
diff --git a/float32_slice_test.go b/float32_slice_test.go
new file mode 100644
index 0000000..2429c8f
--- /dev/null
+++ b/float32_slice_test.go
@@ -0,0 +1,177 @@
+// 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 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)
+		}
+	}
+}