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22 lines
652 B
Go
22 lines
652 B
Go
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package common
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import "testing"
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// TestStableRowID_NULCollision locks that distinct part sequences can never
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// share an id even when a part contains a NUL byte (length-prefixed encoding).
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func TestStableRowID_NULCollision(t *testing.T) {
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a := StableRowID("a\x00b")
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b := StableRowID("a", "b")
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if a == b {
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t.Fatalf("StableRowID collided for [\"a\\x00b\"] and [\"a\",\"b\"]: %s", a)
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}
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// Determinism: same inputs always yield the same id.
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if StableRowID("a", "b") != b {
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t.Fatal("StableRowID is not deterministic")
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}
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// Order matters.
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if StableRowID("a", "b") == StableRowID("b", "a") {
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t.Fatal("StableRowID ignored part ordering")
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}
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}
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