diff options
Diffstat (limited to 'src/cmd/compile/internal/syntax/printer_test.go')
| -rw-r--r-- | src/cmd/compile/internal/syntax/printer_test.go | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/syntax/printer_test.go b/src/cmd/compile/internal/syntax/printer_test.go index bcae815a46..4890327595 100644 --- a/src/cmd/compile/internal/syntax/printer_test.go +++ b/src/cmd/compile/internal/syntax/printer_test.go @@ -61,6 +61,21 @@ var stringTests = []string{ "package p", "package p; type _ int; type T1 = struct{}; type ( _ *struct{}; T2 = float32 )", + // generic type declarations + "package p; type _[T any] struct{}", + "package p; type _[A, B, C interface{m()}] struct{}", + "package p; type _[T any, A, B, C interface{m()}, X, Y, Z interface{type int}] struct{}", + + // generic function declarations + "package p; func _[T any]()", + "package p; func _[A, B, C interface{m()}]()", + "package p; func _[T any, A, B, C interface{m()}, X, Y, Z interface{type int}]()", + + // methods with generic receiver types + "package p; func (R[T]) _()", + "package p; func (*R[A, B, C]) _()", + "package p; func (_ *R[A, B, C]) _()", + // channels "package p; type _ chan chan int", "package p; type _ chan (<-chan int)", @@ -79,7 +94,7 @@ var stringTests = []string{ func TestPrintString(t *testing.T) { for _, want := range stringTests { - ast, err := Parse(nil, strings.NewReader(want), nil, nil, 0) + ast, err := Parse(nil, strings.NewReader(want), nil, nil, AllowGenerics) if err != nil { t.Error(err) continue @@ -116,6 +131,24 @@ var exprTests = [][2]string{ {"func(x int) complex128 { return 0 }", "func(x int) complex128 {…}"}, {"[]int{1, 2, 3}", "[]int{…}"}, + // type expressions + dup("[1 << 10]byte"), + dup("[]int"), + dup("*int"), + dup("struct{x int}"), + dup("func()"), + dup("func(int, float32) string"), + dup("interface{m()}"), + dup("interface{m() string; n(x int)}"), + dup("interface{type int}"), + dup("interface{type int, float64, string}"), + dup("interface{type int; m()}"), + dup("interface{type int, float64, string; m() string; n(x int)}"), + dup("map[string]int"), + dup("chan E"), + dup("<-chan E"), + dup("chan<- E"), + // non-type expressions dup("(x)"), dup("x.f"), @@ -172,7 +205,7 @@ var exprTests = [][2]string{ func TestShortString(t *testing.T) { for _, test := range exprTests { src := "package p; var _ = " + test[0] - ast, err := Parse(nil, strings.NewReader(src), nil, nil, 0) + ast, err := Parse(nil, strings.NewReader(src), nil, nil, AllowGenerics) if err != nil { t.Errorf("%s: %s", test[0], err) continue |