mirror of
https://github.com/golang/go
synced 2024-11-02 13:42:29 +00:00
052c942e20
Previously merely printing an error would cause the golden file comparison (in 'bash run') to fail, but that is no longer the case with the new run.go driver. R=iant CC=golang-dev https://golang.org/cl/7310087
229 lines
5 KiB
Go
229 lines
5 KiB
Go
// run
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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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// Test literal syntax for basic types.
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package main
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var nbad int
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func assert(cond bool, msg string) {
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if !cond {
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if nbad == 0 {
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print("BUG")
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}
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nbad++
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print(" ", msg)
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}
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}
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func equal(a, b float32) bool {
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return a == b
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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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_, _, _, _ = u30, u31, u32, u33
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// float
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var f00 float32 = 3.14159
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var f01 float32 = -3.14159
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var f02 float32 = +3.14159
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var f03 float32 = 0.0
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var f04 float32 = .0
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var f05 float32 = 0.
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var f06 float32 = -0.0
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var f07 float32 = 1e10
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var f08 float32 = -1e10
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var f09 float32 = 1e-10
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var f10 float32 = 1e+10
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var f11 float32 = 1.e-10
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var f12 float32 = 1.e+10
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var f13 float32 = .1e-10
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var f14 float32 = .1e+10
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var f15 float32 = 1.1e-10
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var f16 float32 = 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(equal(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(equal(f13, f09/10.0), "f13")
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assert(equal(f14, f12/10.0), "f14")
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assert(equal(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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_, _ = s0, s2
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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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if nbad > 0 {
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panic("literal failed")
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}
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}
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