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utils: Add test for Packer.UnpackShort

This commit is contained in:
Alex Willmer 2020-03-29 17:05:03 +01:00
parent cd59668be5
commit 80e6749592
1 changed files with 25 additions and 1 deletions
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26
utils/wrappers/packing_test.go
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@ -10,6 +10,7 @@ import (
const (
ByteSentinal = 0
ShortSentinal = 0
)
func TestPackerPackByte(t *testing.T) {
@ -59,7 +60,7 @@ func TestPackerUnpackByte(t *testing.T) {
}
}
func TestPackerShort(t *testing.T) {
func TestPackerPackShort(t *testing.T) {
p := Packer{MaxSize: 2}
p.PackShort(0x0102)
@ -78,6 +79,29 @@ func TestPackerShort(t *testing.T) {
}
}
func TestPackerUnpackShort(t *testing.T) {
var (
p = Packer{Bytes: []byte{0x01, 0x02}, Offset: 0}
actual = p.UnpackShort()
expected uint16 = 0x0102
expectedLen = ShortLen
)
if p.Errored() {
t.Fatalf("Packer.UnpackShort unexpectedly raised %s", p.Err)
} else if actual != expected {
t.Fatalf("Packer.UnpackShort returned %d, but expected %d", actual, expected)
} else if p.Offset != expectedLen {
t.Fatalf("Packer.UnpackShort left Offset %d, expected %d", p.Offset, expectedLen)
}
actual = p.UnpackShort()
if !p.Errored() {
t.Fatalf("Packer.UnpackShort should have set error, due to attempted out of bounds read")
} else if actual != ShortSentinal {
t.Fatalf("Packer.UnpackShort returned %d, expected sentinal value %d", actual, ShortSentinal)
}
}
func TestPackerInt(t *testing.T) {
p := Packer{MaxSize: 4}