func (s *sum64a) Sum64() uint64 { return uint64(*s) }

func (s *sum32) Write(data []byte) (int, error) {
	hash := *s
	for _, c := range data {
		hash *= prime32
		hash ^= sum32(c)
	}
	*s = hash
	return len(data), nil
}

func (s *sum32a) Write(data []byte) (int, error) {
	hash := *s
	for _, c := range data {
		hash ^= sum32a(c)
		hash *= prime32
	}
	*s = hash
	return len(data), nil
}

    }

    def "runs all test tasks in multi project build when test class passed by name"() {
        setup:
        settingsFile << "include ':sub1', 'sub2', ':sub2:sub3', ':sub4'"
        ["sub1", "sub2/sub3"].each { projectFolderName ->
            file("${projectFolderName}/src/test/java/example/MyTest.java") << """
                package example;
                public class MyTest {

								{MountPath: "/ignore", Name: "vol2"},
								{MountPath: "/mnt/sub1/sub2/sub3", Name: "vol3"},
								{MountPath: "/mnt/sub1/sub2/sub4", Name: "vol4"},
								{MountPath: "/mnt/sub1/sub2/sub4/skip", Name: "vol5"},
								{MountPath: "/mnt/sub1/sub2/sub4/skip2", Name: "vol5a"},
								{MountPath: "/mnt/sub1/sub2/sub6", Name: "vol6"},
								{MountPath: "/mnt7", Name: "vol7"},
							},
						},
					},

// x - (C - z) -> x + (z - C) -> (x + z) - C
(Sub64 x (Sub64 i:(Const64 <t>) z)) && (z.Op != OpConst64 && x.Op != OpConst64) => (Sub64 (Add64 <t> x z) i)
(Sub32 x (Sub32 i:(Const32 <t>) z)) && (z.Op != OpConst32 && x.Op != OpConst32) => (Sub32 (Add32 <t> x z) i)
(Sub16 x (Sub16 i:(Const16 <t>) z)) && (z.Op != OpConst16 && x.Op != OpConst16) => (Sub16 (Add16 <t> x z) i)

				t.Errorf("could not unmarshal: %v", err)
				continue
			}

			io.WriteString(h, g.in[len(g.in)/2:])
			io.WriteString(h2, g.in[len(g.in)/2:])

			if h.Sum32() != h2.Sum32() {
				t.Errorf("IEEE(%s) = 0x%x != marshaled 0x%x", g.in, h.Sum32(), h2.Sum32())
			}
		}
	})
	t.Run("Castagnoli", func(t *testing.T) {
		table := MakeTable(Castagnoli)
		for _, g := range golden {
			h := New(table)

func Sub(x, y, borrow uint) (diff, borrowOut uint) {
	if UintSize == 32 {
		d32, b32 := Sub32(uint32(x), uint32(y), uint32(borrow))
		return uint(d32), uint(b32)
	}
	d64, b64 := Sub64(uint64(x), uint64(y), uint64(borrow))
	return uint(d64), uint(b64)
}

// Sub32 returns the difference of x, y and borrow, diff = x - y - borrow.
// The borrow input must be 0 or 1; otherwise the behavior is undefined.

        buildFile << multiProjectBuild()
        createDirs("sub1", "sub2")
        settingsFile << "include 'sub1', 'sub2'"

        when:
        succeeds TASKS_DETAILED_REPORT_TASK

        then:
        output.contains("""
$helloWorldGroupHeader
a
sub1:a
sub2:a
""")
        output.contains("""
$otherGroupHeader
sub1:b
sub2:b
c
""")
    }

        output.contains("order: beforeSettings - settings.gradle - settingsEvaluated")
        output.contains("subprojects: :sub1 - :sub2")
    }

    @ToBeFixedForConfigurationCache(skip = INVESTIGATE)
    def "can apply settings plugin from init script"() {
        given:
        createDirs("sub1", "sub2")
        def pluginBuilder = new PluginBuilder(file("plugin"))

                it.tasks.register("myTask") {
                }
            }
        """
        ['foo', 'bar', 'included/sub1', 'included/sub2'].each { file(it).mkdirs() }
        file('included/settings.gradle') << """
            include 'sub1', 'sub2'
        """
        file('included/build.gradle') << """
            tasks.register("myTask") {
            }
        """

        when:

		}
		t.Fatalf("expect read %d bytes but got %d", wroteBytes, readBytes)
	}
	if readHash.Sum32() != wroteHash.Sum32() {
		t.Fatalf("expect read hash 0x%08x but got 0x%08x", readHash.Sum32(), wroteHash.Sum32())
	}
}

func TestRingBuffer_BlockingBig(t *testing.T) {
	// Typical runtime is ~5-10s.
	defer timeout(60 * time.Second)()
	const debug = false