type stringerPlaceHolder string

func (sph stringerPlaceHolder) String() string {
        return string(sph)
}

func TestNeedRaceCleanup_OpStaticCall(t *testing.T) {
        mustTrigger := []string{
                "runtime.racefuncenter", "runtime.racefuncexit",
                "runtime.panicIndex", "runtime.panicSlice", "runtime.panicdivide",
                "runtime.panicwrap", "runtime.panicshift",
        }
        t.Run("OpStaticCall", func(tt *testing.T) {
                testNeedRaceCleanup(tt, OpStaticCall, mustTrigger, true)
        })
        t.Run("OpClosureCall", func(tt *testing.T) {
                testNeedRaceCleanup(tt, OpClosureCall, mustTrigger, false)
        })
        t.Run("OpInterCall", func(tt *testing.T) {
                testNeedRaceCleanup(tt, OpInterCall, mustTrigger, false)
        })
}

func testNeedRaceCleanup(t *testing.T, op Op, names []string, want bool) {
        for _, symName := range names {
                v := &Value{
                        Block: &Block{
                                Func: &Func{
                                        Config: &Config{Race: true},
                                        Blocks: []*Block{
                                                {
                                                        Values: []*Value{
                                                                {
                                                                        Aux: stringerPlaceHolder(symName),
                                                                        Op:  op,
                                                                },
                                                        },
                                                },
                                        },
                                },
                        },
                }
                sym := stringerPlaceHolder("runtime.racefuncexit")
                got := needRaceCleanup(sym, v)
                if got != want {
                        t.Errorf("needRaceCleanup(%q)=%t want %t", symName, got, want)
                }
        }
}