| // Copyright 2015 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. |
| |
| package precis |
| |
| import ( |
| "testing" |
| |
| "golang.org/x/text/runes" |
| ) |
| |
| // Compile-time regression test to ensure that Class is a Set |
| var _ runes.Set = (*class)(nil) |
| |
| // Ensure that certain characters are (or are not) in the identifer class. |
| func TestClassContains(t *testing.T) { |
| tests := []struct { |
| name string |
| class *class |
| allowed []rune |
| disallowed []rune |
| }{ |
| { |
| name: "Identifier", |
| class: identifier, |
| allowed: []rune("Aa0\u0021\u007e\u00df\u3007"), |
| disallowed: []rune("\u2150\u2100\u2200\u3164\u2190\u2600\u303b\u1e9b"), |
| }, |
| { |
| name: "Freeform", |
| class: freeform, |
| allowed: []rune("Aa0\u0021\u007e\u00df\u3007 \u2150\u2100\u2200\u2190\u2600\u1e9b"), |
| disallowed: []rune("\u3164\u303b"), |
| }, |
| } |
| |
| for _, rt := range tests { |
| for _, r := range rt.allowed { |
| if !rt.class.Contains(r) { |
| t.Errorf("Class %s should contain %U", rt.name, r) |
| } |
| } |
| for _, r := range rt.disallowed { |
| if rt.class.Contains(r) { |
| t.Errorf("Class %s should not contain %U", rt.name, r) |
| } |
| } |
| } |
| } |