1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 package org.chromium.mojo.bindings; 6 7 import android.test.suitebuilder.annotation.SmallTest; 8 9 import org.chromium.mojo.MojoTestCase; 10 11 import java.nio.ByteBuffer; 12 import java.nio.ByteOrder; 13 14 /** 15 * Testing {@link ValidationTestUtil}. 16 */ 17 public class ValidationTestUtilTest extends MojoTestCase { 18 19 /** 20 * Check that the input parser is correct on a given input. 21 */ checkInputParser( String input, boolean isInputValid, ByteBuffer expectedData, int expectedHandlesCount)22 public static void checkInputParser( 23 String input, boolean isInputValid, ByteBuffer expectedData, int expectedHandlesCount) { 24 ValidationTestUtil.Data data = ValidationTestUtil.parseData(input); 25 if (isInputValid) { 26 assertNull(data.getErrorMessage()); 27 assertEquals(expectedData, data.getData()); 28 assertEquals(expectedHandlesCount, data.getHandlesCount()); 29 } else { 30 assertNotNull(data.getErrorMessage()); 31 assertNull(data.getData()); 32 } 33 } 34 35 /** 36 * Testing {@link ValidationTestUtil#parseData(String)}. 37 */ 38 @SmallTest testCorrectMessageParsing()39 public void testCorrectMessageParsing() { 40 { 41 // Test empty input. 42 String input = ""; 43 ByteBuffer expected = ByteBuffer.allocateDirect(0); 44 expected.order(ByteOrder.LITTLE_ENDIAN); 45 46 checkInputParser(input, true, expected, 0); 47 } 48 { 49 // Test input that only consists of comments and whitespaces. 50 String input = " \t // hello world \n\r \t// the answer is 42 "; 51 ByteBuffer expected = ByteBuffer.allocateDirect(0); 52 expected.order(ByteOrder.nativeOrder()); 53 54 checkInputParser(input, true, expected, 0); 55 } 56 { 57 String input = "[u1]0x10// hello world !! \n\r \t [u2]65535 \n" 58 + "[u4]65536 [u8]0xFFFFFFFFFFFFFFFF 0 0Xff"; 59 ByteBuffer expected = ByteBuffer.allocateDirect(17); 60 expected.order(ByteOrder.nativeOrder()); 61 expected.put((byte) 0x10); 62 expected.putShort((short) 65535); 63 expected.putInt(65536); 64 expected.putLong(-1); 65 expected.put((byte) 0); 66 expected.put((byte) 0xff); 67 expected.flip(); 68 69 checkInputParser(input, true, expected, 0); 70 } 71 { 72 String input = "[s8]-0x800 [s1]-128\t[s2]+0 [s4]-40"; 73 ByteBuffer expected = ByteBuffer.allocateDirect(15); 74 expected.order(ByteOrder.nativeOrder()); 75 expected.putLong(-0x800); 76 expected.put((byte) -128); 77 expected.putShort((short) 0); 78 expected.putInt(-40); 79 expected.flip(); 80 81 checkInputParser(input, true, expected, 0); 82 } 83 { 84 String input = "[b]00001011 [b]10000000 // hello world\r [b]00000000"; 85 ByteBuffer expected = ByteBuffer.allocateDirect(3); 86 expected.order(ByteOrder.nativeOrder()); 87 expected.put((byte) 11); 88 expected.put((byte) 128); 89 expected.put((byte) 0); 90 expected.flip(); 91 92 checkInputParser(input, true, expected, 0); 93 } 94 { 95 String input = "[f]+.3e9 [d]-10.03"; 96 ByteBuffer expected = ByteBuffer.allocateDirect(12); 97 expected.order(ByteOrder.nativeOrder()); 98 expected.putFloat(+.3e9f); 99 expected.putDouble(-10.03); 100 expected.flip(); 101 102 checkInputParser(input, true, expected, 0); 103 } 104 { 105 String input = "[dist4]foo 0 [dist8]bar 0 [anchr]foo [anchr]bar"; 106 ByteBuffer expected = ByteBuffer.allocateDirect(14); 107 expected.order(ByteOrder.nativeOrder()); 108 expected.putInt(14); 109 expected.put((byte) 0); 110 expected.putLong(9); 111 expected.put((byte) 0); 112 expected.flip(); 113 114 checkInputParser(input, true, expected, 0); 115 } 116 { 117 String input = "// This message has handles! \n[handles]50 [u8]2"; 118 ByteBuffer expected = ByteBuffer.allocateDirect(8); 119 expected.order(ByteOrder.nativeOrder()); 120 expected.putLong(2); 121 expected.flip(); 122 123 checkInputParser(input, true, expected, 50); 124 } 125 126 // Test some failure cases. 127 { 128 String error_inputs[] = { 129 "/ hello world", 130 "[u1]x", 131 "[u2]-1000", 132 "[u1]0x100", 133 "[s2]-0x8001", 134 "[b]1", 135 "[b]1111111k", 136 "[dist4]unmatched", 137 "[anchr]hello [dist8]hello", 138 "[dist4]a [dist4]a [anchr]a", 139 "[dist4]a [anchr]a [dist4]a [anchr]a", 140 "0 [handles]50" 141 }; 142 143 for (String input : error_inputs) { 144 ByteBuffer expected = ByteBuffer.allocateDirect(0); 145 expected.order(ByteOrder.nativeOrder()); 146 checkInputParser(input, false, expected, 0); 147 } 148 } 149 150 } 151 } 152