1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @summary Unit tests for Raw String Literal language changes 27 * @library /tools/lib 28 * @modules jdk.compiler/com.sun.tools.javac.api 29 * jdk.compiler/com.sun.tools.javac.main 30 * @build toolbox.ToolBox toolbox.JavacTask 31 * @run main/othervm RawStringLiteralLangAPI 32 */ 33 34 import toolbox.JavacTask; 35 import toolbox.Task; 36 import toolbox.ToolBox; 37 38 public class RawStringLiteralLangAPI { 39 private static ToolBox TOOLBOX = new ToolBox(); 40 41 public static void main(String... args) { 42 test1(); 43 test2(); 44 test3(); 45 } 46 47 /* 48 * Check that correct syntax is properly detected 49 */ 50 static void test1() { 51 for (int i = 1; i < 16; i++) { 52 for (int j = 0; j < i; j++) { 53 compPass("public class NoEndRawString {\n" + 54 " public static void main(String... args) {\n" + 55 " String xxx = " + 56 "`".repeat(i) + "abc" + "`".repeat(j) + "def" + "`".repeat(i) + 57 ";\n" + 58 " }\n" + 59 "}\n"); 60 } 61 } 62 } 63 64 /* 65 * Check that syntax errors are properly detected 66 */ 67 static void test2() { 68 for (int i = 1; i < 16; i++) { 69 for (int j = 0; j < i; j++) { 70 compFail("public class NoEndRawString {\n" + 71 " public static void main(String... args) {\n" + 72 " String xxx = " + 73 "`".repeat(i) + "abc" + "`".repeat(j) + "def" + "`".repeat(i - 1) + 74 ";\n" + 75 " }\n" + 76 "}\n", "compiler.err.unclosed.str.lit"); 77 } 78 } 79 } 80 81 /* 82 * Check that misuse of \u0060 is properly detected 83 */ 84 static void test3() { 85 compFail("public class BadDelimiter {\n" + 86 " public static void main(String... args) {\n" + 87 " String xxx = \\u0060`abc`;\n" + 88 " }\n" + 89 "}\n", "compiler.err.illegal.char"); 90 } 91 92 /* 93 * Test source for successful compile. 94 */ 95 static void compPass(String source) { 96 new JavacTask(TOOLBOX) 97 .sources(source) 98 .classpath(".") 99 .options("--enable-preview", "-source", "12") 100 .run(); 101 } 102 103 /* 104 * Test source for unsuccessful compile and specific error. 105 */ 106 static void compFail(String source, String error) { 107 String errors = new JavacTask(TOOLBOX) 108 .sources(source) 109 .classpath(".") 110 .options("-XDrawDiagnostics", "--enable-preview", "-source", "12") 111 .run(Task.Expect.FAIL) 112 .writeAll() 113 .getOutput(Task.OutputKind.DIRECT); 114 115 if (!errors.contains(error)) { 116 throw new RuntimeException("Wrong error"); 117 } 118 } 119 }