1 files changed, 171 insertions, 0 deletions
diff --git a/int32_slice_test.go b/int32_slice_test.go
new file mode 100644
index 0000000..69aaf9b
--- /dev/null
+++ b/int32_slice_test.go
@@ -0,0 +1,171 @@
+// 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 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)
+		}
+	}
+}