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Diffstat (limited to 'src/cmd/vet/test_print.go')
| -rw-r--r-- | src/cmd/vet/test_print.go | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/src/cmd/vet/test_print.go b/src/cmd/vet/test_print.go deleted file mode 100644 index 8b41e6c69..000000000 --- a/src/cmd/vet/test_print.go +++ /dev/null @@ -1,153 +0,0 @@ -// Copyright 2010 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. - -// +build vet_test - -// This file contains tests for the printf checker. - -package main - -import ( - "fmt" - "unsafe" // just for test case printing unsafe.Pointer -) - -func UnsafePointerPrintfTest() { - var up unsafe.Pointer - fmt.Printf("%p, %x %X", up, up, up) -} - -// Error methods that do not satisfy the Error interface and should be checked. -type errorTest1 int - -func (errorTest1) Error(...interface{}) string { - return "hi" -} - -type errorTest2 int // Analogous to testing's *T type. -func (errorTest2) Error(...interface{}) { -} - -type errorTest3 int - -func (errorTest3) Error() { // No return value. -} - -type errorTest4 int - -func (errorTest4) Error() int { // Different return type. - return 3 -} - -type errorTest5 int - -func (errorTest5) error() { // niladic; don't complain if no args (was bug) -} - -// This function never executes, but it serves as a simple test for the program. -// Test with make test. -func PrintfTests() { - var b bool - var i int - var r rune - var s string - var x float64 - var p *int - // Some good format/argtypes - fmt.Printf("") - fmt.Printf("%b %b", 3, i) - fmt.Printf("%c %c %c %c", 3, i, 'x', r) - fmt.Printf("%d %d", 3, i) - fmt.Printf("%e %e", 3e9, x) - fmt.Printf("%E %E", 3e9, x) - fmt.Printf("%f %f", 3e9, x) - fmt.Printf("%F %F", 3e9, x) - fmt.Printf("%g %g", 3e9, x) - fmt.Printf("%G %G", 3e9, x) - fmt.Printf("%o %o", 3, i) - fmt.Printf("%p %p", p, nil) - fmt.Printf("%q %q %q %q", 3, i, 'x', r) - fmt.Printf("%s %s", "hi", s) - fmt.Printf("%t %t", true, b) - fmt.Printf("%T %T", 3, i) - fmt.Printf("%U %U", 3, i) - fmt.Printf("%v %v", 3, i) - fmt.Printf("%x %x %x %x", 3, i, "hi", s) - fmt.Printf("%X %X %X %X", 3, i, "hi", s) - fmt.Printf("%.*s %d %g", 3, "hi", 23, 2.3) - // Some bad format/argTypes - fmt.Printf("%b", "hi") // ERROR "arg .hi. for printf verb %b of wrong type" - fmt.Printf("%c", 2.3) // ERROR "arg 2.3 for printf verb %c of wrong type" - fmt.Printf("%d", 2.3) // ERROR "arg 2.3 for printf verb %d of wrong type" - fmt.Printf("%e", "hi") // ERROR "arg .hi. for printf verb %e of wrong type" - fmt.Printf("%E", true) // ERROR "arg true for printf verb %E of wrong type" - fmt.Printf("%f", "hi") // ERROR "arg .hi. for printf verb %f of wrong type" - fmt.Printf("%F", 'x') // ERROR "arg 'x' for printf verb %F of wrong type" - fmt.Printf("%g", "hi") // ERROR "arg .hi. for printf verb %g of wrong type" - fmt.Printf("%G", i) // ERROR "arg i for printf verb %G of wrong type" - fmt.Printf("%o", x) // ERROR "arg x for printf verb %o of wrong type" - fmt.Printf("%p", 23) // ERROR "arg 23 for printf verb %p of wrong type" - fmt.Printf("%q", x) // ERROR "arg x for printf verb %q of wrong type" - fmt.Printf("%s", b) // ERROR "arg b for printf verb %s of wrong type" - fmt.Printf("%t", 23) // ERROR "arg 23 for printf verb %t of wrong type" - fmt.Printf("%U", x) // ERROR "arg x for printf verb %U of wrong type" - fmt.Printf("%x", nil) // ERROR "arg nil for printf verb %x of wrong type" - fmt.Printf("%X", 2.3) // ERROR "arg 2.3 for printf verb %X of wrong type" - fmt.Printf("%.*s %d %g", 3, "hi", 23, 'x') // ERROR "arg 'x' for printf verb %g of wrong type" - // TODO - fmt.Println() // not an error - fmt.Println("%s", "hi") // ERROR "possible formatting directive in Println call" - fmt.Printf("%s", "hi", 3) // ERROR "wrong number of args for format in Printf call" - fmt.Printf("%"+("s"), "hi", 3) // ERROR "wrong number of args for format in Printf call" - fmt.Printf("%s%%%d", "hi", 3) // correct - fmt.Printf("%08s", "woo") // correct - fmt.Printf("% 8s", "woo") // correct - fmt.Printf("%.*d", 3, 3) // correct - fmt.Printf("%.*d", 3, 3, 3) // ERROR "wrong number of args for format in Printf call" - fmt.Printf("%.*d", "hi", 3) // ERROR "arg .hi. for \* in printf format not of type int" - fmt.Printf("%.*d", i, 3) // correct - fmt.Printf("%.*d", s, 3) // ERROR "arg s for \* in printf format not of type int" - fmt.Printf("%q %q", multi()...) // ok - fmt.Printf("%#q", `blah`) // ok - printf("now is the time", "buddy") // ERROR "no formatting directive" - Printf("now is the time", "buddy") // ERROR "no formatting directive" - Printf("hi") // ok - const format = "%s %s\n" - Printf(format, "hi", "there") - Printf(format, "hi") // ERROR "wrong number of args for format in Printf call" - f := new(File) - f.Warn(0, "%s", "hello", 3) // ERROR "possible formatting directive in Warn call" - f.Warnf(0, "%s", "hello", 3) // ERROR "wrong number of args for format in Warnf call" - f.Warnf(0, "%r", "hello") // ERROR "unrecognized printf verb" - f.Warnf(0, "%#s", "hello") // ERROR "unrecognized printf flag" - // Something that satisfies the error interface. - var e error - fmt.Println(e.Error()) // ok - // Something that looks like an error interface but isn't, such as the (*T).Error method - // in the testing package. - var et1 errorTest1 - fmt.Println(et1.Error()) // ERROR "no args in Error call" - fmt.Println(et1.Error("hi")) // ok - fmt.Println(et1.Error("%d", 3)) // ERROR "possible formatting directive in Error call" - var et2 errorTest2 - et2.Error() // ERROR "no args in Error call" - et2.Error("hi") // ok, not an error method. - et2.Error("%d", 3) // ERROR "possible formatting directive in Error call" - var et3 errorTest3 - et3.Error() // ok, not an error method. - var et4 errorTest4 - et4.Error() // ok, not an error method. - var et5 errorTest5 - et5.error() // ok, not an error method. -} - -// printf is used by the test. -func printf(format string, args ...interface{}) { - panic("don't call - testing only") -} - -// multi is used by the test. -func multi() []interface{} { - panic("don't call - testing only") -} |