add int32 & int64 slice support (#194)

1 files changed, 165 insertions, 0 deletions

diff --git a/int64_slice_test.go b/int64_slice_test.go
new file mode 100644
index 0000000..b536943
--- /dev/null
+++ b/int64_slice_test.go
@@ -0,0 +1,165 @@
+// 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 setUpI64SFlagSet(isp *[]int64) *FlagSet {
+	f := NewFlagSet("test", ContinueOnError)
+	f.Int64SliceVar(isp, "is", []int64{}, "Command separated list!")
+	return f
+}
+
+func setUpI64SFlagSetWithDefault(isp *[]int64) *FlagSet {
+	f := NewFlagSet("test", ContinueOnError)
+	f.Int64SliceVar(isp, "is", []int64{0, 1}, "Command separated list!")
+	return f
+}
+
+func TestEmptyI64S(t *testing.T) {
+	var is []int64
+	f := setUpI64SFlagSet(&is)
+	err := f.Parse([]string{})
+	if err != nil {
+		t.Fatal("expected no error; got", err)
+	}
+
+	getI64S, err := f.GetInt64Slice("is")
+	if err != nil {
+		t.Fatal("got an error from GetInt64Slice():", err)
+	}
+	if len(getI64S) != 0 {
+		t.Fatalf("got is %v with len=%d but expected length=0", getI64S, len(getI64S))
+	}
+}
+
+func TestI64S(t *testing.T) {
+	var is []int64
+	f := setUpI64SFlagSet(&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 {
+		d, err := strconv.ParseInt(vals[i], 0, 64)
+		if err != nil {
+			t.Fatalf("got error: %v", err)
+		}
+		if d != v {
+			t.Fatalf("expected is[%d] to be %s but got: %d", i, vals[i], v)
+		}
+	}
+	getI64S, err := f.GetInt64Slice("is")
+	if err != nil {
+		t.Fatalf("got error: %v", err)
+	}
+	for i, v := range getI64S {
+		d, err := strconv.ParseInt(vals[i], 0, 64)
+		if err != nil {
+			t.Fatalf("got error: %v", err)
+		}
+		if d != v {
+			t.Fatalf("expected is[%d] to be %s but got: %d from GetInt64Slice", i, vals[i], v)
+		}
+	}
+}
+
+func TestI64SDefault(t *testing.T) {
+	var is []int64
+	f := setUpI64SFlagSetWithDefault(&is)
+
+	vals := []string{"0", "1"}
+
+	err := f.Parse([]string{})
+	if err != nil {
+		t.Fatal("expected no error; got", err)
+	}
+	for i, v := range is {
+		d, err := strconv.ParseInt(vals[i], 0, 64)
+		if err != nil {
+			t.Fatalf("got error: %v", err)
+		}
+		if d != v {
+			t.Fatalf("expected is[%d] to be %d but got: %d", i, d, v)
+		}
+	}
+
+	getI64S, err := f.GetInt64Slice("is")
+	if err != nil {
+		t.Fatal("got an error from GetInt64Slice():", err)
+	}
+	for i, v := range getI64S {
+		d, err := strconv.ParseInt(vals[i], 0, 64)
+		if err != nil {
+			t.Fatal("got an error from GetInt64Slice():", err)
+		}
+		if d != v {
+			t.Fatalf("expected is[%d] to be %d from GetInt64Slice but got: %d", i, d, v)
+		}
+	}
+}
+
+func TestI64SWithDefault(t *testing.T) {
+	var is []int64
+	f := setUpI64SFlagSetWithDefault(&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 {
+		d, err := strconv.ParseInt(vals[i], 0, 64)
+		if err != nil {
+			t.Fatalf("got error: %v", err)
+		}
+		if d != v {
+			t.Fatalf("expected is[%d] to be %d but got: %d", i, d, v)
+		}
+	}
+
+	getI64S, err := f.GetInt64Slice("is")
+	if err != nil {
+		t.Fatal("got an error from GetInt64Slice():", err)
+	}
+	for i, v := range getI64S {
+		d, err := strconv.ParseInt(vals[i], 0, 64)
+		if err != nil {
+			t.Fatalf("got error: %v", err)
+		}
+		if d != v {
+			t.Fatalf("expected is[%d] to be %d from GetInt64Slice but got: %d", i, d, v)
+		}
+	}
+}
+
+func TestI64SCalledTwice(t *testing.T) {
+	var is []int64
+	f := setUpI64SFlagSet(&is)
+
+	in := []string{"1,2", "3"}
+	expected := []int64{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)
+		}
+	}
+}