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test: explanatory comments [c-g]*

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5656103
This commit is contained in:
Rob Pike 2012-02-19 14:28:53 +11:00
parent c3ef198020
commit 83976e3ac8
33 changed files with 76 additions and 12 deletions

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@ -4,6 +4,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test variadic functions and calls (dot-dot-dot).
package main
func sum(args ...int) int {

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@ -4,6 +4,9 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Verify that illegal uses of ... are detected.
// Does not compile.
package main
import "unsafe"

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@ -4,6 +4,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file is compiled and then imported by ddd3.go.
package ddd
func Sum(args ...int) int {

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@ -4,6 +4,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test that variadic functions work across package boundaries.
package main
import "./ddd2"

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@ -4,7 +4,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Correct short declarations and redeclarations.
// Test correct short declarations and redeclarations.
package main

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@ -4,7 +4,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Incorrect short declarations and redeclarations.
// Test that incorrect short declarations and redeclarations are detected.
// Does not compile.
package main

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@ -4,6 +4,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test defer.
package main
import "fmt"

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test that we can defer the predeclared functions print and println.
package main
func main() {
defer println(42, true, false, true, 1.5, "world", (chan int)(nil), []int(nil), (map[string]int)(nil), (func())(nil), byte(255))
defer println(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20)
// defer panic("dead")
// Disabled so the test doesn't crash but left here for reference.
// defer panic("dead")
defer print("printing: ")
}

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// divide corner cases
// Test divide corner cases.
package main

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test that top-level parenthesized declarations can be empty.
// Compiles but does not run.
package P
import ( )

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@ -4,6 +4,9 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test that the Go environment variables are present and accessible through
// package os and package runtime.
package main
import (

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@ -4,6 +4,9 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test a source file does not need a final newline.
// Compiles but does not run.
// No newline at the end of this file.
package main

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@ -4,6 +4,9 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test that a comment ending a source file does not need a final newline.
// Compiles but does not run.
package eof1
// No newline at the end of this comment.

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@ -6,8 +6,8 @@
package main
// check for correct heap-moving of escaped variables.
// it is hard to check for the allocations, but it is easy
// Test for correct heap-moving of escaped variables.
// It is hard to check for the allocations, but it is easy
// to check that if you call the function twice at the
// same stack level, the pointers returned should be
// different.

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@ -4,6 +4,9 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test, using compiler diagnostic flags, that the escape analysis is working.
// Compiles but does not run.
package foo
import (

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@ -4,7 +4,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test run-time behavior of escape analysis-related optimizations.
// Test the run-time behavior of escape analysis-related optimizations.
package main

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test floating-point literal syntax.
package main
var bad bool

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@ -4,6 +4,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test floating-point comparison involving NaN.
package main
import "math"

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@ -4,6 +4,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test for loops.
package main
func assertequal(is, shouldbe int, msg string) {

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test simple functions.
package main

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// does not compile and should not compile
// Test that result parameters are in the same scope as regular parameters.
// Does not compile.
package main
func f1(a int) (int, float32) { // BUG (not caught by compiler): multiple return values must have names
func f1(a int) (int, float32) {
return 7, 7.0
}

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@ -1,9 +1,12 @@
// $G $F.go || echo BUG: should compile
// 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.
// Test function signatures.
// Compiled but not run.
package main
type t1 int

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@ -4,6 +4,9 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Verify that illegal function signatures are detected.
// Does not compile.
package main
type t1 int

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@ -4,6 +4,9 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Verify that it is illegal to take the address of a function.
// Does not compile.
package main
var notmain func()

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@ -4,6 +4,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test functions and goroutines.
package main
func caller(f func(int, int) int, a, b int, c chan int) {

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@ -1,9 +1,11 @@
// compile
// run
// Copyright 2011 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.
// Test closures in if conditions.
package main
func main() {

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test evaluation order in if condition.
package main
var calledf = false

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test evaluation order.
package main
var calledf int

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Simple test of the garbage collector.
package main
import "runtime"

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// A simple test of the garbage collector.
package main
func main() {

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Check that buffered channels are garbage collected properly.
// Test that buffered channels are garbage collected properly.
// An interesting case because they have finalizers and used to
// have self loops that kept them from being collected.
// (Cyclic data with finalizers is never finalized, nor collected.)

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@ -4,6 +4,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test that println can be the target of a go statement.
package main
import "time"

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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Verify goto semantics.
// Does not compile.
//
// Each test is in a separate function just so that if the
// compiler stops processing after one error, we don't
// lose other ones.