26   ASSERT_TRUE(Multilib().flag("+foo").isValid())  in TEST()
29   ASSERT_TRUE(Multilib().flag("-foo").isValid())  in TEST()
32   ASSERT_FALSE(Multilib().flag("+foo").flag("-foo").isValid())  in TEST()
35   ASSERT_TRUE(Multilib().flag("+foo").flag("+foo").isValid())  in TEST()
38   ASSERT_TRUE(Multilib().flag("+foo").flag("-foobar").isValid())  in TEST()
54   M1.flag("+foo");  in TEST()
55   M2.flag("+foo");  in TEST()
61   M1.flag("+foo");  in TEST()
62   M2.flag("-foo");  in TEST()
70   M2.flag("+foo");  in TEST()
76   M1.flag("+foo");  in TEST()
77   M2.flag("+foo").flag("+foo");  in TEST()
158   Multilib M = Multilib().flag("+f1").flag("+f2").flag("-f3");  in TEST()
184   MS.Maybe(Multilib("64").flag("+m64"));  in TEST()
199   MS.Maybe(Multilib("sof").flag("+sof"));  in TEST()
200   MS.Maybe(Multilib("el").flag("+EL"));  in TEST()
286     .Maybe(Multilib("64").flag("+m64"));  in TEST()
307     .Maybe(Multilib("el").flag("+EL"))  in TEST()
308     .Maybe(Multilib("sf").flag("+SF"));  in TEST()
355   MS.push_back(Multilib("foo", {}, {}, 1).flag("+foo"));  in TEST()
356   MS.push_back(Multilib("bar", {}, {}, 2).flag("+bar"));  in TEST()