}
			}()

			t.Setenv("GO_TEST_KEY_1", "value")
		})
	})
}

// testingTrueInInit is part of TestTesting.
var testingTrueInInit = false

// testingTrueInPackageVarInit is part of TestTesting.
var testingTrueInPackageVarInit = testing.Testing()

// init is part of TestTesting.
func init() {
	if testing.Testing() {
		testingTrueInInit = true
	}
}

var testingProg = `

	}
	var o8 outc64
	enc.Encode(it)
	err = dec.Decode(&o8)
	if err == nil || err.Error() != `value for "Maxc" out of range` {
		t.Error("wrong overflow error for complex64:", err)
	}
}

func TestNesting(t *testing.T) {
	type RT struct {
		A    string
		Next *RT
	}
	rt := new(RT)
	rt.A = "level1"
	rt.Next = new(RT)
	rt.Next.A = "level2"
	b := new(bytes.Buffer)
	NewEncoder(b).Encode(rt)