// Copyright 2025 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Check that int8 bounds checking doesn't cause panics or compilation errors. package main import ( "fmt" "strings" ) type Int8overflow int8 const ( I_128 Int8overflow = -128 I_127 Int8overflow = -127 I_126 Int8overflow = -126 I_125 Int8overflow = -125 I_124 Int8overflow = -124 I_123 Int8overflow = -123 I_122 Int8overflow = -122 I_121 Int8overflow = -121 I_120 Int8overflow = -120 I_119 Int8overflow = -119 I_118 Int8overflow = -118 I_117 Int8overflow = -117 I_116 Int8overflow = -116 I_115 Int8overflow = -115 I_114 Int8overflow = -114 I_113 Int8overflow = -113 I_112 Int8overflow = -112 I_111 Int8overflow = -111 I_110 Int8overflow = -110 I_109 Int8overflow = -109 I_108 Int8overflow = -108 I_107 Int8overflow = -107 I_106 Int8overflow = -106 I_105 Int8overflow = -105 I_104 Int8overflow = -104 I_103 Int8overflow = -103 I_102 Int8overflow = -102 I_101 Int8overflow = -101 I_100 Int8overflow = -100 I_99 Int8overflow = -99 I_98 Int8overflow = -98 I_97 Int8overflow = -97 I_96 Int8overflow = -96 I_95 Int8overflow = -95 I_94 Int8overflow = -94 I_93 Int8overflow = -93 I_92 Int8overflow = -92 I_91 Int8overflow = -91 I_90 Int8overflow = -90 I_89 Int8overflow = -89 I_88 Int8overflow = -88 I_87 Int8overflow = -87 I_86 Int8overflow = -86 I_85 Int8overflow = -85 I_84 Int8overflow = -84 I_83 Int8overflow = -83 I_82 Int8overflow = -82 I_81 Int8overflow = -81 I_80 Int8overflow = -80 I_79 Int8overflow = -79 I_78 Int8overflow = -78 I_77 Int8overflow = -77 I_76 Int8overflow = -76 I_75 Int8overflow = -75 I_74 Int8overflow = -74 I_73 Int8overflow = -73 I_72 Int8overflow = -72 I_71 Int8overflow = -71 I_70 Int8overflow = -70 I_69 Int8overflow = -69 I_68 Int8overflow = -68 I_67 Int8overflow = -67 I_66 Int8overflow = -66 I_65 Int8overflow = -65 I_64 Int8overflow = -64 I_63 Int8overflow = -63 I_62 Int8overflow = -62 I_61 Int8overflow = -61 I_60 Int8overflow = -60 I_59 Int8overflow = -59 I_58 Int8overflow = -58 I_57 Int8overflow = -57 I_56 Int8overflow = -56 I_55 Int8overflow = -55 I_54 Int8overflow = -54 I_53 Int8overflow = -53 I_52 Int8overflow = -52 I_51 Int8overflow = -51 I_50 Int8overflow = -50 I_49 Int8overflow = -49 I_48 Int8overflow = -48 I_47 Int8overflow = -47 I_46 Int8overflow = -46 I_45 Int8overflow = -45 I_44 Int8overflow = -44 I_43 Int8overflow = -43 I_42 Int8overflow = -42 I_41 Int8overflow = -41 I_40 Int8overflow = -40 I_39 Int8overflow = -39 I_38 Int8overflow = -38 I_37 Int8overflow = -37 I_36 Int8overflow = -36 I_35 Int8overflow = -35 I_34 Int8overflow = -34 I_33 Int8overflow = -33 I_32 Int8overflow = -32 I_31 Int8overflow = -31 I_30 Int8overflow = -30 I_29 Int8overflow = -29 I_28 Int8overflow = -28 I_27 Int8overflow = -27 I_26 Int8overflow = -26 I_25 Int8overflow = -25 I_24 Int8overflow = -24 I_23 Int8overflow = -23 I_22 Int8overflow = -22 I_21 Int8overflow = -21 I_20 Int8overflow = -20 I_19 Int8overflow = -19 I_18 Int8overflow = -18 I_17 Int8overflow = -17 I_16 Int8overflow = -16 I_15 Int8overflow = -15 I_14 Int8overflow = -14 I_13 Int8overflow = -13 I_12 Int8overflow = -12 I_11 Int8overflow = -11 I_10 Int8overflow = -10 I_9 Int8overflow = -9 I_8 Int8overflow = -8 I_7 Int8overflow = -7 I_6 Int8overflow = -6 I_5 Int8overflow = -5 I_4 Int8overflow = -4 I_3 Int8overflow = -3 I_2 Int8overflow = -2 I_1 Int8overflow = -1 I0 Int8overflow = 0 I1 Int8overflow = 1 I2 Int8overflow = 2 I3 Int8overflow = 3 I4 Int8overflow = 4 I5 Int8overflow = 5 I6 Int8overflow = 6 I7 Int8overflow = 7 I8 Int8overflow = 8 I9 Int8overflow = 9 I10 Int8overflow = 10 I11 Int8overflow = 11 I12 Int8overflow = 12 I13 Int8overflow = 13 I14 Int8overflow = 14 I15 Int8overflow = 15 I16 Int8overflow = 16 I17 Int8overflow = 17 I18 Int8overflow = 18 I19 Int8overflow = 19 I20 Int8overflow = 20 I21 Int8overflow = 21 I22 Int8overflow = 22 I23 Int8overflow = 23 I24 Int8overflow = 24 I25 Int8overflow = 25 I26 Int8overflow = 26 I27 Int8overflow = 27 I28 Int8overflow = 28 I29 Int8overflow = 29 I30 Int8overflow = 30 I31 Int8overflow = 31 I32 Int8overflow = 32 I33 Int8overflow = 33 I34 Int8overflow = 34 I35 Int8overflow = 35 I36 Int8overflow = 36 I37 Int8overflow = 37 I38 Int8overflow = 38 I39 Int8overflow = 39 I40 Int8overflow = 40 I41 Int8overflow = 41 I42 Int8overflow = 42 I43 Int8overflow = 43 I44 Int8overflow = 44 I45 Int8overflow = 45 I46 Int8overflow = 46 I47 Int8overflow = 47 I48 Int8overflow = 48 I49 Int8overflow = 49 I50 Int8overflow = 50 I51 Int8overflow = 51 I52 Int8overflow = 52 I53 Int8overflow = 53 I54 Int8overflow = 54 I55 Int8overflow = 55 I56 Int8overflow = 56 I57 Int8overflow = 57 I58 Int8overflow = 58 I59 Int8overflow = 59 I60 Int8overflow = 60 I61 Int8overflow = 61 I62 Int8overflow = 62 I63 Int8overflow = 63 I64 Int8overflow = 64 I65 Int8overflow = 65 I66 Int8overflow = 66 I67 Int8overflow = 67 I68 Int8overflow = 68 I69 Int8overflow = 69 I70 Int8overflow = 70 I71 Int8overflow = 71 I72 Int8overflow = 72 I73 Int8overflow = 73 I74 Int8overflow = 74 I75 Int8overflow = 75 I76 Int8overflow = 76 I77 Int8overflow = 77 I78 Int8overflow = 78 I79 Int8overflow = 79 I80 Int8overflow = 80 I81 Int8overflow = 81 I82 Int8overflow = 82 I83 Int8overflow = 83 I84 Int8overflow = 84 I85 Int8overflow = 85 I86 Int8overflow = 86 I87 Int8overflow = 87 I88 Int8overflow = 88 I89 Int8overflow = 89 I90 Int8overflow = 90 I91 Int8overflow = 91 I92 Int8overflow = 92 I93 Int8overflow = 93 I94 Int8overflow = 94 I95 Int8overflow = 95 I96 Int8overflow = 96 I97 Int8overflow = 97 I98 Int8overflow = 98 I99 Int8overflow = 99 I100 Int8overflow = 100 I101 Int8overflow = 101 I102 Int8overflow = 102 I103 Int8overflow = 103 I104 Int8overflow = 104 I105 Int8overflow = 105 I106 Int8overflow = 106 I107 Int8overflow = 107 I108 Int8overflow = 108 I109 Int8overflow = 109 I110 Int8overflow = 110 I111 Int8overflow = 111 I112 Int8overflow = 112 I113 Int8overflow = 113 I114 Int8overflow = 114 I115 Int8overflow = 115 I116 Int8overflow = 116 I117 Int8overflow = 117 I118 Int8overflow = 118 I119 Int8overflow = 119 I120 Int8overflow = 120 I121 Int8overflow = 121 I122 Int8overflow = 122 I123 Int8overflow = 123 I124 Int8overflow = 124 I125 Int8overflow = 125 I126 Int8overflow = 126 I127 Int8overflow = 127 ) func main() { testValues := []Int8overflow{ I_128, I_127, I_1, I0, I1, I126, I127, } for _, val := range testValues { want := strings.ReplaceAll(fmt.Sprintf("I%d", int(val)), "-", "_") result := fmt.Sprint(val) if result != want { panic(fmt.Sprintf("int8overflow.go: got %s, want %s for value %d", result, want, int8(val))) } } }