fix: add test for argument length check

ShawnJeffersonWang · ShawnJeffersonWang · commit f9b6619ed0e0 · 2024-12-05T23:02:18.000+08:00
diff --git a/flag_test.go b/flag_test.go
@@ -100,6 +100,12 @@ func TestEverything(t *testing.T) {
 	}
 }
 
+func TestNoArgument(t *testing.T) {
+	if GetCommandLine().Parse([]string{}) != nil {
+		t.Error("parse failed for empty argument list")
+	}
+}
+
 func TestUsage(t *testing.T) {
 	called := false
 	ResetForTesting(func() { called = true })
@@ -1134,7 +1140,6 @@ func TestMultipleNormalizeFlagNameInvocations(t *testing.T) {
 	}
 }
 
-//
 func TestHiddenFlagInUsage(t *testing.T) {
 	f := NewFlagSet("bob", ContinueOnError)
 	f.Bool("secretFlag", true, "shhh")
@@ -1149,7 +1154,6 @@ func TestHiddenFlagInUsage(t *testing.T) {
 	}
 }
 
-//
 func TestHiddenFlagUsage(t *testing.T) {
 	f := NewFlagSet("bob", ContinueOnError)
 	f.Bool("secretFlag", true, "shhh")

Original file line number	Diff line number	Diff line change
`@@ -100,6 +100,12 @@ func TestEverything(t *testing.T) {`
`100`	`100`	`}`
`101`	`101`	`}`
`102`	`102`
	`103`	`+func TestNoArgument(t *testing.T) {`
	`104`	`+ if GetCommandLine().Parse([]string{}) != nil {`
	`105`	`+ t.Error("parse failed for empty argument list")`
	`106`	`+ }`
	`107`	`+}`
	`108`	`+`
`103`	`109`	`func TestUsage(t *testing.T) {`
`104`	`110`	`called := false`
`105`	`111`	`ResetForTesting(func() { called = true })`
`@@ -1134,7 +1140,6 @@ func TestMultipleNormalizeFlagNameInvocations(t *testing.T) {`
`1134`	`1140`	`}`
`1135`	`1141`	`}`
`1136`	`1142`
`1137`		`-//`
`1138`	`1143`	`func TestHiddenFlagInUsage(t *testing.T) {`
`1139`	`1144`	`f := NewFlagSet("bob", ContinueOnError)`
`1140`	`1145`	`f.Bool("secretFlag", true, "shhh")`
`@@ -1149,7 +1154,6 @@ func TestHiddenFlagInUsage(t *testing.T) {`
`1149`	`1154`	`}`
`1150`	`1155`	`}`
`1151`	`1156`
`1152`		`-//`
`1153`	`1157`	`func TestHiddenFlagUsage(t *testing.T) {`
`1154`	`1158`	`f := NewFlagSet("bob", ContinueOnError)`
`1155`	`1159`	`f.Bool("secretFlag", true, "shhh")`