mirror of
https://github.com/golang/go
synced 2024-11-18 12:54:44 -07:00
bc2f5f1dce
1) fix print statements, panic statements (parentheses required) 2) len is now allowed as a var name (bug053) R=gri OCL=14106 CL=14106
214 lines
4.9 KiB
Go
214 lines
4.9 KiB
Go
// $G $F.go && $L $F.$A && ./$A.out
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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func assert(cond bool, msg string) {
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if !cond {
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print("assertion fail: ", msg, "\n");
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panic(1);
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}
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}
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func main() {
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// bool
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var t bool = true;
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var f bool = false;
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assert(t == !f, "bool");
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// int8
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var i00 int8 = 0;
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var i01 int8 = 1;
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var i02 int8 = -1;
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var i03 int8 = 127;
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var i04 int8 = -127;
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var i05 int8 = -128;
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var i06 int8 = +127;
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assert(i01 == i00 + 1, "i01");
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assert(i02 == -i01, "i02");
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assert(i03 == -i04, "i03");
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assert(-(i05+1) == i06, "i05");
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// int16
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var i10 int16 = 0;
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var i11 int16 = 1;
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var i12 int16 = -1;
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var i13 int16 = 32767;
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var i14 int16 = -32767;
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var i15 int16 = -32768;
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var i16 int16 = +32767;
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assert(i11 == i10 + 1, "i11");
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assert(i12 == -i11, "i12");
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assert(i13 == -i14, "i13");
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assert(-(i15+1) == i16, "i15");
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// int32
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var i20 int32 = 0;
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var i21 int32 = 1;
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var i22 int32 = -1;
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var i23 int32 = 2147483647;
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var i24 int32 = -2147483647;
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var i25 int32 = -2147483648;
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var i26 int32 = +2147483647;
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assert(i21 == i20 + 1, "i21");
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assert(i22 == -i21, "i22");
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assert(i23 == -i24, "i23");
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assert(-(i25+1) == i26, "i25");
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assert(i23 == (1 << 31) - 1, "i23 size");
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// int64
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var i30 int64 = 0;
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var i31 int64 = 1;
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var i32 int64 = -1;
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var i33 int64 = 9223372036854775807;
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var i34 int64 = -9223372036854775807;
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var i35 int64 = -9223372036854775808;
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var i36 int64 = +9223372036854775807;
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assert(i31 == i30 + 1, "i31");
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assert(i32 == -i31, "i32");
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assert(i33 == -i34, "i33");
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assert(-(i35+1) == i36, "i35");
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assert(i33 == (1<<63) - 1, "i33 size");
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// uint8
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var u00 uint8 = 0;
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var u01 uint8 = 1;
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var u02 uint8 = 255;
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var u03 uint8 = +255;
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assert(u01 == u00 + 1, "u01");
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assert(u02 == u03, "u02");
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assert(u03 == (1<<8) - 1, "u03 size");
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// uint16
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var u10 uint16 = 0;
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var u11 uint16 = 1;
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var u12 uint16 = 65535;
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var u13 uint16 = +65535;
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assert(u11 == u10 + 1, "u11");
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assert(u12 == u13, "u12");
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// uint32
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var u20 uint32 = 0;
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var u21 uint32 = 1;
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var u22 uint32 = 4294967295;
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var u23 uint32 = +4294967295;
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assert(u21 == u20 + 1, "u21");
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assert(u22 == u23, "u22");
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// uint64
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var u30 uint64 = 0;
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var u31 uint64 = 1;
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var u32 uint64 = 18446744073709551615;
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var u33 uint64 = +18446744073709551615;
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// float
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var f00 float = 3.14159;
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var f01 float = -3.14159;
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var f02 float = +3.14159;
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var f03 float = 0.0;
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var f04 float = .0;
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var f05 float = 0.;
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var f06 float = -0.0;
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var f07 float = 1e10;
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var f08 float = -1e10;
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var f09 float = 1e-10;
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var f10 float = 1e+10;
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var f11 float = 1.e-10;
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var f12 float = 1.e+10;
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var f13 float = .1e-10;
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var f14 float = .1e+10;
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var f15 float = 1.1e-10;
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var f16 float = 1.1e+10;
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assert(f01 == -f00, "f01");
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assert(f02 == -f01, "f02");
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assert(f03 == f04, "f03");
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assert(f04 == f05, "f04");
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assert(f05 == f06, "f05");
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assert(f07 == -f08, "f07");
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assert(f09 == 1/f10, "f09");
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assert(f11 == f09, "f11");
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assert(f12 == f10, "f12");
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assert(f13 == f09/10.0, "f13");
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assert(f14 == f12/10.0, "f14");
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assert(f15 == f16/1e20, "f15");
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// character
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var c0 uint8 = 'a';
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var c1 uint8 = 'ä';
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var c2 uint8 = '\a';
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var c3 uint8 = '\b';
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var c4 uint8 = '\f';
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var c5 uint8 = '\n';
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var c6 uint8 = '\r';
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var c7 uint8 = '\t';
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var c8 uint8 = '\v';
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// var c9 uint8 = '本'; // correctly caught as error
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var c9 uint16 = '本';
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assert(c0 == 0x61, "c0");
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assert(c1 == 0xe4, "c1");
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assert(c2 == 0x07, "c2");
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assert(c3 == 0x08, "c3");
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assert(c4 == 0x0c, "c4");
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assert(c5 == 0x0a, "c4");
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assert(c6 == 0x0d, "c6");
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assert(c7 == 0x09, "c7");
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assert(c8 == 0x0b, "c8");
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assert(c9 == 0x672c, "c9");
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var c00 uint8 = '\000';
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var c01 uint8 = '\007';
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var c02 uint8 = '\177';
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var c03 uint8 = '\377';
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assert(c00 == 0, "c00");
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assert(c01 == 7, "c01");
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assert(c02 == 127, "c02");
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assert(c03 == 255, "c03");
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var cx0 uint8 = '\x00';
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var cx1 uint8 = '\x0f';
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var cx2 uint8 = '\xff';
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assert(cx0 == 0, "cx0");
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assert(cx1 == 15, "cx1");
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assert(cx2 == 255, "cx2");
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var cu0 uint16 = '\u1234';
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var cu1 uint32 = '\U00101234';
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assert(cu0 == 0x1234, "cu0");
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assert(cu1 == 0x101234, "cu1");
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// string
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var s0 string = "";
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var s1 string = "hellô";
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assert(s1[0] == 'h', "s1-0");
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assert(s1[4] == 0xc3, "s1-4");
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assert(s1[5] == 0xb4, "s1-5");
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var s2 string = "\a\b\f\n\r\t\v";
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var s00 string = "\000";
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var s01 string = "\007";
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var s02 string = "\377";
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assert(s00[0] == 0, "s00");
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assert(s01[0] == 7, "s01");
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assert(s02[0] == 255, "s02");
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var x00 string = "\x00";
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var x01 string = "\x0f";
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var x02 string = "\xff";
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assert(x00[0] == 0, "x00");
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assert(x01[0] == 15, "x01");
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assert(x02[0] == 255, "x02");
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// these are all the same string
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var sj0 string = "日本語";
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var sj1 string = "\u65e5\u672c\u8a9e";
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var sj2 string = "\U000065e5\U0000672c\U00008a9e";
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var sj3 string = "\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e";
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assert(sj0 == sj1, "sj1");
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assert(sj0 == sj2, "sj2");
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assert(sj0 == sj3, "sj3");
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}
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