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package capabilities
import "testing"
func fail(t *testing.T, expected, got Capabilities) {
t.Errorf("Expected '%v', got '%v'", expected, got)
}
func testTighten(t *testing.T, a, b, expected Capabilities) {
intersect := Tighten(a, b)
if len(intersect) != len(expected) {
fail(t, expected, intersect)
}
for i, ee := range expected {
if ee != intersect[i] {
fail(t, expected, intersect)
}
}
}
func TestTightenAllEmpty(t *testing.T) {
a := Capabilities{}
b := Capabilities{}
expected := Capabilities{}
testTighten(t, a, b, expected)
}
func TestTightenOneEmpty(t *testing.T) {
a := Capabilities{}
b := Capabilities{"not", "empty"}
expected := Capabilities{}
testTighten(t, a, b, expected)
testTighten(t, b, a, expected)
}
func TestTightenNoIntersection(t *testing.T) {
a := Capabilities{"some", "values"}
b := Capabilities{"completly", "different"}
expected := Capabilities{}
testTighten(t, a, b, expected)
testTighten(t, b, a, expected)
}
func TestTightenSame(t *testing.T) {
a := Capabilities{"some", "values"}
testTighten(t, a, a, a)
}
func TestTightenSomeIntersection(t *testing.T) {
a := Capabilities{"some", "values"}
b := Capabilities{"some", "different"}
expected := Capabilities{"some"}
testTighten(t, a, b, expected)
testTighten(t, b, a, expected)
}
func TestTightenSubSet(t *testing.T) {
a := Capabilities{"some", "values"}
b := Capabilities{"some", "more", "values"}
expected := Capabilities{"some", "values"}
testTighten(t, a, b, expected)
testTighten(t, b, a, expected)
}