package main

import (
	"fmt"
	"os"

	"./a"
	"./b"
)

func main() {
	// Make sure the reflect information for a.S is in the executable.
	_ = a.V()

	b1 := b.F1()
	b2 := b.F2()
	if b1 != b2 {
		fmt.Printf("%q (from b.F1()) != %q (from b.F2())\n", b1, b2)
		os.Exit(1)
	}

require example.net/a v0.1.0

replace (
	example.net/a v0.1.0 => ./a10
	example.net/a v0.1.1 => ./a11
	example.net/a v0.2.0 => ./a20
	example.net/a v0.2.1 => ./a20
	example.net/b v0.1.0 => ./b1
	example.net/b v0.1.1 => ./b1
	example.net/b v0.2.0 => ./b2
)
-- example.go --
package example

import _ "example.net/a"

-- a10/go.mod --
module example.net/a

go 1.16
-- a10/a.go --
package a

replace (
	example.net/a v0.1.0 => ./a
	example.net/b v0.1.0 => ./b1
	example.net/b v0.2.0 => ./b2
	example.net/c v0.1.0 => ./c1
	example.net/c v0.2.0 => ./c2
	example.net/d v0.1.0 => ./d
)

require (
	example.net/b v0.1.0
)
-- a/go.mod --
module example.net/a

go 1.18

require example.net/b v0.2.0
-- a/a.go --
package a

import _ "example.net/b"
-- b1/go.mod --
module example.net/b

go 1.16

}

func TestBlockGeneric(t *testing.T) {
	var b1, b2 [32]uint64
	s := seed // byte seed
	seed := [4]uint64{
		binary.LittleEndian.Uint64(s[0*8:]),
		binary.LittleEndian.Uint64(s[1*8:]),
		binary.LittleEndian.Uint64(s[2*8:]),
		binary.LittleEndian.Uint64(s[3*8:]),
	}

	Block(&seed, &b1, 4)
	Block_generic(&seed, &b2, 4)
	if !slices.Equal(b1[:], b2[:]) {
		var out bytes.Buffer

	addMul64(r0, 19, a4, b1)

	// r1 = a0×b1 + a1×b0 + 19×(a2×b4 + a3×b3 + a4×b2)
	r1 := uint128{"r1", GP64(), GP64()}
	mul64(r1, 1, a0, b1)
	addMul64(r1, 1, a1, b0)
	addMul64(r1, 19, a2, b4)
	addMul64(r1, 19, a3, b3)
	addMul64(r1, 19, a4, b2)

	// r2 = a0×b2 + a1×b1 + a2×b0 + 19×(a3×b4 + a4×b3)
	r2 := uint128{"r2", GP64(), GP64()}
	mul64(r2, 1, a0, b2)
	addMul64(r2, 1, a1, b1)
	addMul64(r2, 1, a2, b0)

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p

func hashBytesRaw(b0, b1, b2, b3, b7 byte) uint64 {
	return (uint64(b0) | uint64(b1)<<8 | uint64(b2)<<16 | uint64(b3)<<24)
}

func doStuff(data []byte) uint64 {
	return hashBytesRaw(data[0], data[1], data[2], data[3], data[7])

// compile

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

func main() {
	var b1 []byte;
	s1 := string(b1);
	println(len(s1));  // prints 0

	b2 := ([]byte)(nil);
	s2 := string(b2);
	println(len(s2));  // prints 0

	s3 := string(([]byte)(nil));  // does not compile (literal substitution of b2)

        List<SynonymItem> itemList = new ArrayList<>();
        itemList.add(new SynonymItem(1, new String[] { "a1" }, new String[] { "A1" }));
        itemList.add(new SynonymItem(2, new String[] { "b1", "b2" }, new String[] { "B1" }));
        itemList.add(new SynonymItem(3, new String[] { "c1" }, new String[] { "C1", "C2" }));
        itemList.add(new SynonymItem(4, new String[] { "x1", "X1" }, new String[] { "x1", "X1" }));

require example.com/b v0.2.0

replace (
	example.com/b v0.1.0 => ./b1
	example.com/b v0.2.0 => ./b2
	example.com/c v0.1.0 => ./c
	example.com/d v0.1.0 => ./d
	example.com/d v0.2.0 => ./d
)
-- a.go --
package a

import _ "example.com/b"

-- b1/go.mod --
module example.com/b

go 1.15

require example.com/c v0.1.0
-- b1/b.go --
package b

import _ "example.com/c"

-- b2/go.mod --

    assertSame(s1, s2);

    Long n1 = 42L;
    Long n2 = MoreObjects.firstNonNull(null, n1);
    assertSame(n1, n2);

    Boolean b1 = true;
    Boolean b2 = MoreObjects.firstNonNull(b1, null);
    assertSame(b1, b2);
  }

  public void testFirstNonNull_throwsNullPointerException() {
    try {
      MoreObjects.firstNonNull(null, null);
      fail();