// $G $F.go && $L $F.$A && ./$A.out // Copyright 2009 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. package main func assert(cond bool, msg string) { if !cond { print("assertion fail: ", msg, "\n"); panic(1); } } func main() { // bool var t bool = true; var f bool = false; assert(t == !f, "bool"); // int8 var i00 int8 = 0; var i01 int8 = 1; var i02 int8 = -1; var i03 int8 = 127; var i04 int8 = -127; var i05 int8 = -128; var i06 int8 = +127; assert(i01 == i00 + 1, "i01"); assert(i02 == -i01, "i02"); assert(i03 == -i04, "i03"); assert(-(i05+1) == i06, "i05"); // int16 var i10 int16 = 0; var i11 int16 = 1; var i12 int16 = -1; var i13 int16 = 32767; var i14 int16 = -32767; var i15 int16 = -32768; var i16 int16 = +32767; assert(i11 == i10 + 1, "i11"); assert(i12 == -i11, "i12"); assert(i13 == -i14, "i13"); assert(-(i15+1) == i16, "i15"); // int32 var i20 int32 = 0; var i21 int32 = 1; var i22 int32 = -1; var i23 int32 = 2147483647; var i24 int32 = -2147483647; var i25 int32 = -2147483648; var i26 int32 = +2147483647; assert(i21 == i20 + 1, "i21"); assert(i22 == -i21, "i22"); assert(i23 == -i24, "i23"); assert(-(i25+1) == i26, "i25"); assert(i23 == (1 << 31) - 1, "i23 size"); // int64 var i30 int64 = 0; var i31 int64 = 1; var i32 int64 = -1; var i33 int64 = 9223372036854775807; var i34 int64 = -9223372036854775807; var i35 int64 = -9223372036854775808; var i36 int64 = +9223372036854775807; assert(i31 == i30 + 1, "i31"); assert(i32 == -i31, "i32"); assert(i33 == -i34, "i33"); assert(-(i35+1) == i36, "i35"); assert(i33 == (1<<63) - 1, "i33 size"); // uint8 var u00 uint8 = 0; var u01 uint8 = 1; var u02 uint8 = 255; var u03 uint8 = +255; assert(u01 == u00 + 1, "u01"); assert(u02 == u03, "u02"); assert(u03 == (1<<8) - 1, "u03 size"); // uint16 var u10 uint16 = 0; var u11 uint16 = 1; var u12 uint16 = 65535; var u13 uint16 = +65535; assert(u11 == u10 + 1, "u11"); assert(u12 == u13, "u12"); // uint32 var u20 uint32 = 0; var u21 uint32 = 1; var u22 uint32 = 4294967295; var u23 uint32 = +4294967295; assert(u21 == u20 + 1, "u21"); assert(u22 == u23, "u22"); // uint64 var u30 uint64 = 0; var u31 uint64 = 1; var u32 uint64 = 18446744073709551615; var u33 uint64 = +18446744073709551615; // float var f00 float = 3.14159; var f01 float = -3.14159; var f02 float = +3.14159; var f03 float = 0.0; var f04 float = .0; var f05 float = 0.; var f06 float = -0.0; var f07 float = 1e10; var f08 float = -1e10; var f09 float = 1e-10; var f10 float = 1e+10; var f11 float = 1.e-10; var f12 float = 1.e+10; var f13 float = .1e-10; var f14 float = .1e+10; var f15 float = 1.1e-10; var f16 float = 1.1e+10; assert(f01 == -f00, "f01"); assert(f02 == -f01, "f02"); assert(f03 == f04, "f03"); assert(f04 == f05, "f04"); assert(f05 == f06, "f05"); assert(f07 == -f08, "f07"); assert(f09 == 1/f10, "f09"); assert(f11 == f09, "f11"); assert(f12 == f10, "f12"); assert(f13 == f09/10.0, "f13"); assert(f14 == f12/10.0, "f14"); assert(f15 == f16/1e20, "f15"); // character var c0 uint8 = 'a'; var c1 uint8 = 'ä'; var c2 uint8 = '\a'; var c3 uint8 = '\b'; var c4 uint8 = '\f'; var c5 uint8 = '\n'; var c6 uint8 = '\r'; var c7 uint8 = '\t'; var c8 uint8 = '\v'; // var c9 uint8 = '本'; // correctly caught as error var c9 uint16 = '本'; assert(c0 == 0x61, "c0"); assert(c1 == 0xe4, "c1"); assert(c2 == 0x07, "c2"); assert(c3 == 0x08, "c3"); assert(c4 == 0x0c, "c4"); assert(c5 == 0x0a, "c4"); assert(c6 == 0x0d, "c6"); assert(c7 == 0x09, "c7"); assert(c8 == 0x0b, "c8"); assert(c9 == 0x672c, "c9"); var c00 uint8 = '\000'; var c01 uint8 = '\007'; var c02 uint8 = '\177'; var c03 uint8 = '\377'; assert(c00 == 0, "c00"); assert(c01 == 7, "c01"); assert(c02 == 127, "c02"); assert(c03 == 255, "c03"); var cx0 uint8 = '\x00'; var cx1 uint8 = '\x0f'; var cx2 uint8 = '\xff'; assert(cx0 == 0, "cx0"); assert(cx1 == 15, "cx1"); assert(cx2 == 255, "cx2"); var cu0 uint16 = '\u1234'; var cu1 uint32 = '\U00101234'; assert(cu0 == 0x1234, "cu0"); assert(cu1 == 0x101234, "cu1"); // string var s0 string = ""; var s1 string = "hellô"; assert(s1[0] == 'h', "s1-0"); assert(s1[4] == 0xc3, "s1-4"); assert(s1[5] == 0xb4, "s1-5"); var s2 string = "\a\b\f\n\r\t\v"; var s00 string = "\000"; var s01 string = "\007"; var s02 string = "\377"; assert(s00[0] == 0, "s00"); assert(s01[0] == 7, "s01"); assert(s02[0] == 255, "s02"); var x00 string = "\x00"; var x01 string = "\x0f"; var x02 string = "\xff"; assert(x00[0] == 0, "x00"); assert(x01[0] == 15, "x01"); assert(x02[0] == 255, "x02"); // these are all the same string var sj0 string = "日本語"; var sj1 string = "\u65e5\u672c\u8a9e"; var sj2 string = "\U000065e5\U0000672c\U00008a9e"; var sj3 string = "\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e"; assert(sj0 == sj1, "sj1"); assert(sj0 == sj2, "sj2"); assert(sj0 == sj3, "sj3"); }