1 /* 2 * Copyright (C) 2017 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 17 package android.graphics.cts; 18 19 import static org.junit.Assert.assertEquals; 20 import static org.junit.Assert.assertNull; 21 import static org.junit.Assert.fail; 22 23 import android.graphics.fonts.FontVariationAxis; 24 import android.support.test.filters.SmallTest; 25 import android.support.test.runner.AndroidJUnit4; 26 27 import org.junit.Test; 28 import org.junit.runner.RunWith; 29 30 @SmallTest 31 @RunWith(AndroidJUnit4.class) 32 public class FontVariationAxisTest { 33 private static final float FLOT_EQUALITY_PREC = 1e-4f; // precision for float equality. 34 private static final String[] INVALID_TAGS = { 35 "", "abcde", "\n\n\n\n", "\u0000bcd", "\u3042bcd" 36 }; 37 38 @Test 39 public void testConstruction() { 40 new FontVariationAxis("wght", 1.0f); 41 new FontVariationAxis("PRIV", -1.0f); 42 } 43 44 @Test 45 public void testGetterTest() { 46 FontVariationAxis axis = new FontVariationAxis("wght", 1.0f); 47 assertEquals("wght", axis.getTag()); 48 assertEquals(1.0f, axis.getStyleValue(), FLOT_EQUALITY_PREC); 49 50 axis = new FontVariationAxis("PRIV", -1.0f); 51 assertEquals("PRIV", axis.getTag()); 52 assertEquals(-1.0f, axis.getStyleValue(), FLOT_EQUALITY_PREC); 53 } 54 55 @Test 56 public void testInvalidTagConstructionTest() { 57 for (String invalidTag : INVALID_TAGS) { 58 try { 59 new FontVariationAxis(invalidTag, 0.0f); 60 fail(invalidTag + " should be treated as invalid tag"); 61 } catch (IllegalArgumentException e) { 62 // pass 63 } 64 } 65 } 66 67 @Test 68 public void testFromFontVariationSetting_Single() { 69 FontVariationAxis[] axes = FontVariationAxis.fromFontVariationSettings(""); 70 assertNull(axes); 71 72 axes = FontVariationAxis.fromFontVariationSettings(null); 73 assertNull(axes); 74 75 axes = FontVariationAxis.fromFontVariationSettings("'wdth' 1"); 76 assertEquals(1, axes.length); 77 assertEquals("wdth", axes[0].getTag()); 78 assertEquals(1.0f, axes[0].getStyleValue(), FLOT_EQUALITY_PREC); 79 80 axes = FontVariationAxis.fromFontVariationSettings("\"wdth\" 100"); 81 assertEquals(1, axes.length); 82 assertEquals("wdth", axes[0].getTag()); 83 assertEquals(100.0f, axes[0].getStyleValue(), FLOT_EQUALITY_PREC); 84 85 axes = FontVariationAxis.fromFontVariationSettings(" 'wdth' 100"); 86 assertEquals(1, axes.length); 87 assertEquals("wdth", axes[0].getTag()); 88 assertEquals(100.0f, axes[0].getStyleValue(), FLOT_EQUALITY_PREC); 89 90 axes = FontVariationAxis.fromFontVariationSettings("\t'wdth' 0.5"); 91 assertEquals(1, axes.length); 92 assertEquals("wdth", axes[0].getTag()); 93 assertEquals(0.5f, axes[0].getStyleValue(), FLOT_EQUALITY_PREC); 94 95 axes = FontVariationAxis.fromFontVariationSettings("'PRIV' 1"); 96 assertEquals(1, axes.length); 97 assertEquals("PRIV", axes[0].getTag()); 98 assertEquals(1.0f, axes[0].getStyleValue(), FLOT_EQUALITY_PREC); 99 100 axes = FontVariationAxis.fromFontVariationSettings("'PRIV'\t1"); 101 assertEquals(1, axes.length); 102 assertEquals("PRIV", axes[0].getTag()); 103 assertEquals(1.0f, axes[0].getStyleValue(), FLOT_EQUALITY_PREC); 104 105 axes = FontVariationAxis.fromFontVariationSettings("'PRIV'\n1"); 106 assertEquals(1, axes.length); 107 assertEquals("PRIV", axes[0].getTag()); 108 assertEquals(1.0f, axes[0].getStyleValue(), FLOT_EQUALITY_PREC); 109 110 axes = FontVariationAxis.fromFontVariationSettings("'PRIV'\r1"); 111 assertEquals(1, axes.length); 112 assertEquals("PRIV", axes[0].getTag()); 113 assertEquals(1.0f, axes[0].getStyleValue(), FLOT_EQUALITY_PREC); 114 115 axes = FontVariationAxis.fromFontVariationSettings("'PRIV'\r\t\n 1"); 116 assertEquals(1, axes.length); 117 assertEquals("PRIV", axes[0].getTag()); 118 assertEquals(1.0f, axes[0].getStyleValue(), FLOT_EQUALITY_PREC); 119 120 axes = FontVariationAxis.fromFontVariationSettings("'wdth' 10,'PRIV'\r1"); 121 assertEquals(2, axes.length); 122 assertEquals("wdth", axes[0].getTag()); 123 assertEquals(10.0f, axes[0].getStyleValue(), FLOT_EQUALITY_PREC); 124 assertEquals("PRIV", axes[1].getTag()); 125 assertEquals(1.0f, axes[1].getStyleValue(), FLOT_EQUALITY_PREC); 126 } 127 128 @Test 129 public void testFromFontVariationSettings_Invalid() { 130 for (String invalidTag : INVALID_TAGS) { 131 try { 132 FontVariationAxis.fromFontVariationSettings("'" + invalidTag + "' : 1.0"); 133 fail(invalidTag + " should be treated as invalid settings"); 134 } catch (IllegalArgumentException e) { 135 // pass 136 } 137 } 138 for (String invalidTag : INVALID_TAGS) { 139 try { 140 FontVariationAxis.fromFontVariationSettings( 141 "'" + invalidTag + "' : 1.0, 'wdth' 10"); 142 fail(invalidTag + " should be treated as invalid settings"); 143 } catch (IllegalArgumentException e) { 144 // pass 145 } 146 } 147 } 148 149 @Test 150 public void testtoFontVariationSettings() { 151 assertEquals("", FontVariationAxis.toFontVariationSettings(null)); 152 assertEquals("", FontVariationAxis.toFontVariationSettings(new FontVariationAxis[0])); 153 154 final FontVariationAxis[] axes = { 155 new FontVariationAxis("wght", 1.0f), 156 new FontVariationAxis("PRIV", 3.0f) 157 }; 158 159 String stringData = FontVariationAxis.toFontVariationSettings(axes); 160 FontVariationAxis[] newAxes = FontVariationAxis.fromFontVariationSettings(stringData); 161 assertEquals(newAxes.length, axes.length); 162 for (int i = 0; i < axes.length; ++i) { 163 assertEquals(axes[i].getTag(), newAxes[i].getTag()); 164 assertEquals(axes[i].getStyleValue(), newAxes[i].getStyleValue(), FLOT_EQUALITY_PREC); 165 } 166 } 167 } 168
