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Diffstat (limited to 'libgo/go/go/parser/short_test.go')
-rw-r--r-- | libgo/go/go/parser/short_test.go | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/libgo/go/go/parser/short_test.go b/libgo/go/go/parser/short_test.go new file mode 100644 index 00000000000..238492bf3f7 --- /dev/null +++ b/libgo/go/go/parser/short_test.go @@ -0,0 +1,75 @@ +// 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. + +// This file contains test cases for short valid and invalid programs. + +package parser + +import "testing" + +var valids = []string{ + "package p\n", + `package p;`, + `package p; import "fmt"; func f() { fmt.Println("Hello, World!") };`, + `package p; func f() { if f(T{}) {} };`, + `package p; func f() { _ = (<-chan int)(x) };`, + `package p; func f() { _ = (<-chan <-chan int)(x) };`, + `package p; func f(func() func() func());`, + `package p; func f(...T);`, + `package p; func f(float, ...int);`, + `package p; func f(x int, a ...int) { f(0, a...); f(1, a...,) };`, + `package p; func f(int,) {};`, + `package p; func f(...int,) {};`, + `package p; func f(x ...int,) {};`, + `package p; type T []int; var a []bool; func f() { if a[T{42}[0]] {} };`, + `package p; type T []int; func g(int) bool { return true }; func f() { if g(T{42}[0]) {} };`, + `package p; type T []int; func f() { for _ = range []int{T{42}[0]} {} };`, + `package p; var a = T{{1, 2}, {3, 4}}`, + `package p; func f() { select { case <- c: case c <- d: case c <- <- d: case <-c <- d: } };`, + `package p; func f() { select { case x := (<-c): } };`, + `package p; func f() { if ; true {} };`, + `package p; func f() { switch ; {} };`, + `package p; func f() { for _ = range "foo" + "bar" {} };`, +} + +func TestValid(t *testing.T) { + for _, src := range valids { + checkErrors(t, src, src) + } +} + +var invalids = []string{ + `foo /* ERROR "expected 'package'" */ !`, + `package p; func f() { if { /* ERROR "expected operand" */ } };`, + `package p; func f() { if ; { /* ERROR "expected operand" */ } };`, + `package p; func f() { if f(); { /* ERROR "expected operand" */ } };`, + `package p; const c; /* ERROR "expected '='" */`, + `package p; func f() { if _ /* ERROR "expected condition" */ = range x; true {} };`, + `package p; func f() { switch _ /* ERROR "expected condition" */ = range x; true {} };`, + `package p; func f() { for _ = range x ; /* ERROR "expected '{'" */ ; {} };`, + `package p; func f() { for ; ; _ = range /* ERROR "expected operand" */ x {} };`, + `package p; func f() { for ; _ /* ERROR "expected condition" */ = range x ; {} };`, + `package p; func f() { switch t /* ERROR "expected condition" */ = t.(type) {} };`, + `package p; func f() { switch t /* ERROR "expected condition" */ , t = t.(type) {} };`, + `package p; func f() { switch t /* ERROR "expected condition" */ = t.(type), t {} };`, + `package p; var a = [ /* ERROR "expected expression" */ 1]int;`, + `package p; var a = [ /* ERROR "expected expression" */ ...]int;`, + `package p; var a = struct /* ERROR "expected expression" */ {}`, + `package p; var a = func /* ERROR "expected expression" */ ();`, + `package p; var a = interface /* ERROR "expected expression" */ {}`, + `package p; var a = [ /* ERROR "expected expression" */ ]int`, + `package p; var a = map /* ERROR "expected expression" */ [int]int`, + `package p; var a = chan /* ERROR "expected expression" */ int;`, + `package p; var a = []int{[ /* ERROR "expected expression" */ ]int};`, + `package p; var a = ( /* ERROR "expected expression" */ []int);`, + `package p; var a = a[[ /* ERROR "expected expression" */ ]int:[]int];`, + `package p; var a = <- /* ERROR "expected expression" */ chan int;`, + `package p; func f() { select { case _ <- chan /* ERROR "expected expression" */ int: } };`, +} + +func TestInvalid(t *testing.T) { + for _, src := range invalids { + checkErrors(t, src, src) + } +} |