1/* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package androidx.core.database 18 19import android.database.Cursor 20import android.database.MatrixCursor 21import org.junit.Assert.assertArrayEquals 22import org.junit.Assert.assertEquals 23import org.junit.Assert.assertNull 24import org.junit.Test 25 26class CursorTest { 27 @Test fun blobByName() { 28 val cursor = scalarCursor(byteArrayOf(0x01)) 29 val blob = cursor.getBlob("data") 30 assertArrayEquals(byteArrayOf(0x01), blob) 31 } 32 33 @Test fun doubleByName() { 34 val cursor = scalarCursor(1.5) 35 val double = cursor.getDouble("data") 36 assertEquals(1.5, double, 0.0) 37 } 38 39 @Test fun floatByName() { 40 val cursor = scalarCursor(1.5f) 41 val float = cursor.getFloat("data") 42 assertEquals(1.5f, float, 0f) 43 } 44 45 @Test fun intByName() { 46 val cursor = scalarCursor(1) 47 val int = cursor.getInt("data") 48 assertEquals(1, int) 49 } 50 51 @Test fun longByName() { 52 val cursor = scalarCursor(1L) 53 val long = cursor.getLong("data") 54 assertEquals(1L, long) 55 } 56 57 @Test fun shortByName() { 58 val cursor = scalarCursor(1.toShort()) 59 val short = cursor.getShort("data") 60 assertEquals(1.toShort(), short) 61 } 62 63 @Test fun stringByName() { 64 val cursor = scalarCursor("hey") 65 val string = cursor.getString("data") 66 assertEquals("hey", string) 67 } 68 69 @Test fun blobOrNullByIndex() { 70 val cursor = scalarCursor(null) 71 val blob = cursor.getBlobOrNull(0) 72 assertNull(blob) 73 } 74 75 @Test fun doubleOrNullByIndex() { 76 val cursor = scalarCursor(null) 77 val double = cursor.getDoubleOrNull(0) 78 assertNull(double) 79 } 80 81 @Test fun floatOrNullByIndex() { 82 val cursor = scalarCursor(null) 83 val float = cursor.getFloatOrNull(0) 84 assertNull(float) 85 } 86 87 @Test fun intOrNullByIndex() { 88 val cursor = scalarCursor(null) 89 val int = cursor.getIntOrNull(0) 90 assertNull(int) 91 } 92 93 @Test fun longOrNullByIndex() { 94 val cursor = scalarCursor(null) 95 val long = cursor.getLongOrNull(0) 96 assertNull(long) 97 } 98 99 @Test fun shortOrNullByIndex() { 100 val cursor = scalarCursor(null) 101 val short = cursor.getShortOrNull(0) 102 assertNull(short) 103 } 104 105 @Test fun stringOrNullByIndex() { 106 val cursor = scalarCursor(null) 107 val string = cursor.getStringOrNull(0) 108 assertNull(string) 109 } 110 111 @Test fun blobOrNullByName() { 112 val cursor = scalarCursor(null) 113 val blob = cursor.getBlobOrNull("data") 114 assertNull(blob) 115 } 116 117 @Test fun doubleOrNullByName() { 118 val cursor = scalarCursor(null) 119 val double = cursor.getDoubleOrNull("data") 120 assertNull(double) 121 } 122 123 @Test fun floatOrNullByName() { 124 val cursor = scalarCursor(null) 125 val float = cursor.getFloatOrNull("data") 126 assertNull(float) 127 } 128 129 @Test fun intOrNullByName() { 130 val cursor = scalarCursor(null) 131 val int = cursor.getIntOrNull("data") 132 assertNull(int) 133 } 134 135 @Test fun longOrNullByName() { 136 val cursor = scalarCursor(null) 137 val long = cursor.getLongOrNull("data") 138 assertNull(long) 139 } 140 141 @Test fun shortOrNullByName() { 142 val cursor = scalarCursor(null) 143 val short = cursor.getShortOrNull("data") 144 assertNull(short) 145 } 146 147 @Test fun stringOrNullByName() { 148 val cursor = scalarCursor(null) 149 val string = cursor.getStringOrNull("data") 150 assertNull(string) 151 } 152 153 private fun scalarCursor(item: Any?): Cursor = MatrixCursor(arrayOf("data")).apply { 154 addRow(arrayOf(item)) 155 moveToFirst() // Prepare for consumers to read. 156 } 157} 158