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package container
import (
"strings"
"testing"
"hakurei.app/fhs"
)
func TestEscapeBinfmt(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
magic string
want string
}{
{"packed DOS applications", "\x0eDEX", "\x0eDEX"},
{"riscv64 magic",
"\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf3\x00",
"\x7fELF\x02\x01\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\x02\\x00\xf3\\x00"},
{"riscv64 mask",
"\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff",
"\xff\xff\xff\xff\xff\xff\xff\\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff"},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
got := escapeBinfmt(new(strings.Builder), tc.magic)
if got != tc.want {
t.Errorf("escapeBinfmt: %q, want %q", got, tc.want)
}
})
}
}
func TestBinfmtEntry(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
e BinfmtEntry
valid bool
}{
{"zero", BinfmtEntry{}, false},
{"large offset", BinfmtEntry{Offset: 128}, false},
{"long magic", BinfmtEntry{Magic: strings.Repeat("\x00", 128)}, false},
{"long mask", BinfmtEntry{Mask: strings.Repeat("\x00", 128)}, false},
{"valid", BinfmtEntry{Interpreter: fhs.AbsRoot}, true},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
if tc.e.Valid() != tc.valid {
t.Errorf("Valid: %v", !tc.valid)
}
})
}
}
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