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	Very few of the compiler regression tests include a comment saying waht they do. Many are obvious, some are anything but. I've started with a-c in the top directory. More will follow once we agree on the approach, correctness, and thoroughness here. zerodivide.go sneaked in too. R=rsc, r CC=golang-dev https://golang.org/cl/5656100
		
			
				
	
	
		
			120 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// run
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test composite literals.
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package main
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type T struct {
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	i    int
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	f    float64
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	s    string
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	next *T
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}
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type R struct {
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	num int
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}
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func itor(a int) *R {
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	r := new(R)
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	r.num = a
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	return r
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}
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func eq(a []*R) {
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	for i := 0; i < len(a); i++ {
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		if a[i].num != i {
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			panic("bad")
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		}
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	}
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}
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func teq(t *T, n int) {
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	for i := 0; i < n; i++ {
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		if t == nil || t.i != i {
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			panic("bad")
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		}
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		t = t.next
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	}
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	if t != nil {
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		panic("bad")
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	}
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}
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type P struct {
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	a, b int
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}
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func NewP(a, b int) *P {
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	return &P{a, b}
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}
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func main() {
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	var t T
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	t = T{0, 7.2, "hi", &t}
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	var tp *T
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	tp = &T{0, 7.2, "hi", &t}
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	tl := &T{i: 0, next: &T{i: 1, next: &T{i: 2, next: &T{i: 3, next: &T{i: 4}}}}}
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	teq(tl, 5)
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	a1 := []int{1, 2, 3}
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	if len(a1) != 3 {
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		panic("a1")
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	}
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	a2 := [10]int{1, 2, 3}
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	if len(a2) != 10 || cap(a2) != 10 {
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		panic("a2")
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	}
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	a3 := [10]int{1, 2, 3}
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	if len(a3) != 10 || a2[3] != 0 {
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		panic("a3")
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	}
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	var oai []int
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	oai = []int{1, 2, 3}
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	if len(oai) != 3 {
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		panic("oai")
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	}
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	at := [...]*T{&t, tp, &t}
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	if len(at) != 3 {
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		panic("at")
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	}
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	c := make(chan int)
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	ac := []chan int{c, c, c}
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	if len(ac) != 3 {
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		panic("ac")
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	}
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	aat := [][len(at)]*T{at, at}
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	if len(aat) != 2 || len(aat[1]) != 3 {
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		panic("aat")
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	}
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	s := string([]byte{'h', 'e', 'l', 'l', 'o'})
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	if s != "hello" {
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		panic("s")
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	}
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	m := map[string]float64{"one": 1.0, "two": 2.0, "pi": 22. / 7.}
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	if len(m) != 3 {
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		panic("m")
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	}
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	eq([]*R{itor(0), itor(1), itor(2), itor(3), itor(4), itor(5)})
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	eq([]*R{{0}, {1}, {2}, {3}, {4}, {5}})
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	p1 := NewP(1, 2)
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	p2 := NewP(1, 2)
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	if p1 == p2 {
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		panic("NewP")
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	}
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}
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