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test: add StringSlice Append coverage #504

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Merged
tomasaschan merged 1 commit into from
Sep 6, 2026
Merged

test: add StringSlice Append coverage #504

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35 changes: 35 additions & 0 deletions string_slice_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -274,3 +274,38 @@ func TestSSAsSliceValue(t *testing.T) {
t.Fatalf("Expected ss to be overwritten with 'three', but got: %s", ss)
}
}

func TestSSAsSliceValueAppend(t *testing.T) {
var ss []string
f := setUpSSFlagSet(&ss)
err := f.Parse([]string{"--ss=one,two"})
if err != nil {
t.Fatal("expected no error; got", err)
}
val, ok := f.Lookup("ss").Value.(SliceValue)
if !ok {
t.Fatal("expected SliceValue")
}
err = val.Append("three")
if err != nil {
t.Fatal("unexpected error:", err)
}
expected := []string{"one", "two", "three"}
if len(ss) != len(expected) {
t.Fatalf(
"expected number of ss to be %d but got: %d",
len(expected),
len(ss),
)
}
for i, v := range ss {
if expected[i] != v {
t.Fatalf(
"expected ss[%d] to be %s but got: %s",
i,
expected[i],
v,
)
}
}
}
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