1/* 2 * Copyright (c) 2023-2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16enum Color { Green , Red = 2, Blue } 17//let cons = new Console; 18 19function main(): void { 20 21 try { 22 let name = Color.Blue.getName(); 23 let value:string = Color.getValueOf("Blue").toString(); 24 assertEQ(name, "Blue") 25 assertEQ(value, "3") 26 //cons.print(name + " = " + value + c'\n'); 27 } catch (e) { 28 assertTrue((e as Object).toString().startsWith("No enum constant Color.Blue")) 29 } 30 31 let x: int = Color.Red.valueOf(); 32 assertEQ(x, 2) 33 34 let blue = Color.Blue; 35 let str = blue.getName(); 36 //cons.print("Color.Blue = '" + str + "'\n"); 37 assertEQ("Blue", str) 38 39 let values = Color.values(); 40 assertEQ(values.length, 3) 41 assertEQ(values[1], Color.Red) 42 assertEQ(values[0], Color.Green) 43 assertEQ(values[2], Color.Blue) 44 45 let red1: Color = Color.Red; 46 let red2: Color = Color.Green; 47 assertEQ(red2 as int, 0) 48 assertEQ(red2.valueOf(), 0) 49 assertEQ(red2.getName(), "Green") 50 assertEQ(red2.toString(), "0") 51 //cons.print("\nDefault ordinal = " + red2 as int + ", value = " + red2.valueOf() + ", name: '" + red2.getName() + "', ToString: '" + red2.toString() + "'\n\n") 52 53 try { 54 red2 = Color.getValueOf("Red"); 55 } catch (e) { 56 assertTrue((e as Object).toString().startsWith("No enum constant Color.Red")) 57 //cons.print(e.toString() + "\n"); 58 } 59 60 //cons.print( "GetName: Color.Red: '" + Color.Red.getName() + "', = Red: '" + red1.getName() + "', ValueOf(Red): '" + red2.getName() + "'\n") 61 //cons.print( "GetValue: Color.Red = " + Color.Red.valueOf() + ", = Red = " + red1.valueOf() + ", ValueOf(Red) = " + red2.valueOf() + "\n") 62 //cons.print( "Ordinal (as int): Color.Red = " + Color.Red as int + ", = Red = " + red1 as int + ", ValueOf(Red) = " + red2 as int + "\n") 63 //cons.print( "ToString: Color.Red = '" + Color.Red.toString() + "', = Red = '" + red1.toString() + "', ValueOf(Red) = '" + red2.toString() + "'\n") 64 65 assertEQ(red1 as int, 2) 66 assertEQ(red1.valueOf(), 2) 67 assertEQ(red1.getName(), "Red") 68 assertEQ(red1.toString(), "2") 69 70 assertEQ(red2 as int, 2) 71 assertEQ(red2.valueOf(), 2) 72 assertEQ(red2.getName(), "Red") 73 assertEQ(red2.toString(), "2") 74 75 assertEQ(red1, Color.Red) 76 assertEQ(red2, Color.Red) 77 assertEQ(red2, red1) 78 79 let ord: int = 3; 80 blue = ord as Color; 81 assertEQ(blue as int, 3) 82 assertEQ(blue.valueOf(), 3) 83 assertEQ(blue.getName(), "Blue") 84 assertEQ(blue.toString(), "3") 85 86 try { 87 let yellow: Color = Color.getValueOf("Yellow"); 88 assertTrue( false) 89 } catch (e: Error) { 90 assertTrue( (e as Object).toString().startsWith("Error: No enum constant Color.Yellow")) 91 } catch (e) {} 92 93 ord = 0; 94 let green: Color = ord as Color; 95 //cons.print("Green = " + green as int + ", Color.Green = " + Color.Green as int + "\n") 96 assertEQ(green, Color.Green) 97 98 try { 99 let x = 5 as Color; 100 assertTrue( false) 101 } catch (e: Error) { 102 assertTrue( (e as Object).toString().startsWith("Error: No enum Color with value 5")) 103 } 104 105 assertEQ( 2 as Color as int, 2) 106 assertEQ( Color.Blue as int as Color, Color.Blue) 107 assertEQ( (Color.Green as int + 2) as Color, (Color.Blue as int - 1) as Color) 108 try { 109 assertEQ((Color.Green as int + 1) as Color, Color.getValueOf("Red")) 110 } catch (e) { 111 } 112} 113