3 // Copyright 2009 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
7 // Test implicit and explicit conversions of constants.
14 ci32 = -1<<31 + 100000
15 ci64 = -1<<63 + 10000000001
19 cu32 = 1<<32 - 1234567
20 cu64 = 1<<64 - 1234567890123
37 // f32 float32 = 1e8 + 0.5
38 // f64 float64 = -1e8 + 0.5
41 func chki8(i, v int8) {
47 func chki16(i, v int16) {
53 func chki32(i, v int32) {
59 func chki64(i, v int64) {
65 func chku8(i, v uint8) {
71 func chku16(i, v uint16) {
77 func chku32(i, v uint32) {
83 func chku64(i, v uint64) {
89 //func chkf32(f, v float32) { if f != v { println(f, "!=", v); panic("fail") } }
90 //func chkf64(f, v float64) { if f != v { println(f, "!=", v); panic("fail") } }
93 chki8(int8(i8), ci8&0xff-1<<8)
94 chki8(int8(i16), ci16&0xff)
95 chki8(int8(i32), ci32&0xff-1<<8)
96 chki8(int8(i64), ci64&0xff)
97 chki8(int8(u8), cu8&0xff-1<<8)
98 chki8(int8(u16), cu16&0xff)
99 chki8(int8(u32), cu32&0xff)
100 chki8(int8(u64), cu64&0xff)
101 // chki8(int8(f32), 0)
102 // chki8(int8(f64), 0)
104 chki16(int16(i8), ci8&0xffff-1<<16)
105 chki16(int16(i16), ci16&0xffff-1<<16)
106 chki16(int16(i32), ci32&0xffff-1<<16)
107 chki16(int16(i64), ci64&0xffff-1<<16)
108 chki16(int16(u8), cu8&0xffff)
109 chki16(int16(u16), cu16&0xffff-1<<16)
110 chki16(int16(u32), cu32&0xffff)
111 chki16(int16(u64), cu64&0xffff-1<<16)
112 // chki16(int16(f32), 0)
113 // chki16(int16(f64), 0)
115 chki32(int32(i8), ci8&0xffffffff-1<<32)
116 chki32(int32(i16), ci16&0xffffffff-1<<32)
117 chki32(int32(i32), ci32&0xffffffff-1<<32)
118 chki32(int32(i64), ci64&0xffffffff)
119 chki32(int32(u8), cu8&0xffffffff)
120 chki32(int32(u16), cu16&0xffffffff)
121 chki32(int32(u32), cu32&0xffffffff-1<<32)
122 chki32(int32(u64), cu64&0xffffffff-1<<32)
123 // chki32(int32(f32), 0)
124 // chki32(int32(f64), 0)
126 chki64(int64(i8), ci8&0xffffffffffffffff-1<<64)
127 chki64(int64(i16), ci16&0xffffffffffffffff-1<<64)
128 chki64(int64(i32), ci32&0xffffffffffffffff-1<<64)
129 chki64(int64(i64), ci64&0xffffffffffffffff-1<<64)
130 chki64(int64(u8), cu8&0xffffffffffffffff)
131 chki64(int64(u16), cu16&0xffffffffffffffff)
132 chki64(int64(u32), cu32&0xffffffffffffffff)
133 chki64(int64(u64), cu64&0xffffffffffffffff-1<<64)
134 // chki64(int64(f32), 0)
135 // chki64(int64(f64), 0)
138 chku8(uint8(i8), ci8&0xff)
139 chku8(uint8(i16), ci16&0xff)
140 chku8(uint8(i32), ci32&0xff)
141 chku8(uint8(i64), ci64&0xff)
142 chku8(uint8(u8), cu8&0xff)
143 chku8(uint8(u16), cu16&0xff)
144 chku8(uint8(u32), cu32&0xff)
145 chku8(uint8(u64), cu64&0xff)
146 // chku8(uint8(f32), 0)
147 // chku8(uint8(f64), 0)
149 chku16(uint16(i8), ci8&0xffff)
150 chku16(uint16(i16), ci16&0xffff)
151 chku16(uint16(i32), ci32&0xffff)
152 chku16(uint16(i64), ci64&0xffff)
153 chku16(uint16(u8), cu8&0xffff)
154 chku16(uint16(u16), cu16&0xffff)
155 chku16(uint16(u32), cu32&0xffff)
156 chku16(uint16(u64), cu64&0xffff)
157 // chku16(uint16(f32), 0)
158 // chku16(uint16(f64), 0)
160 chku32(uint32(i8), ci8&0xffffffff)
161 chku32(uint32(i16), ci16&0xffffffff)
162 chku32(uint32(i32), ci32&0xffffffff)
163 chku32(uint32(i64), ci64&0xffffffff)
164 chku32(uint32(u8), cu8&0xffffffff)
165 chku32(uint32(u16), cu16&0xffffffff)
166 chku32(uint32(u32), cu32&0xffffffff)
167 chku32(uint32(u64), cu64&0xffffffff)
168 // chku32(uint32(f32), 0)
169 // chku32(uint32(f64), 0)
171 chku64(uint64(i8), ci8&0xffffffffffffffff)
172 chku64(uint64(i16), ci16&0xffffffffffffffff)
173 chku64(uint64(i32), ci32&0xffffffffffffffff)
174 chku64(uint64(i64), ci64&0xffffffffffffffff)
175 chku64(uint64(u8), cu8&0xffffffffffffffff)
176 chku64(uint64(u16), cu16&0xffffffffffffffff)
177 chku64(uint64(u32), cu32&0xffffffffffffffff)
178 chku64(uint64(u64), cu64&0xffffffffffffffff)
179 // chku64(uint64(f32), 0)
180 // chku64(uint64(f64), 0)