diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/intcvt.go | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/test/intcvt.go b/test/intcvt.go new file mode 100644 index 000000000..a108cffa1 --- /dev/null +++ b/test/intcvt.go @@ -0,0 +1,140 @@ +// $G $D/$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 + +const ( + ci8 = -1<<7; + ci16 = -1<<15 + 100; + ci32 = -1<<31 + 100000; + ci64 = -1<<63 + 10000000001; + + cu8 = 1<<8 - 1; + cu16 = 1<<16 - 1234; + cu32 = 1<<32 - 1234567; + cu64 = 1<<64 - 1234567890123; + + cf32 = 1e8 + 0.5; + cf64 = -1e8 + 0.5; +) + +var ( + i8 int8 = ci8; + i16 int16 = ci16; + i32 int32 = ci32; + i64 int64 = ci64; + + u8 uint8 = cu8; + u16 uint16 = cu16; + u32 uint32 = cu32; + u64 uint64 = cu64; + +// f32 float32 = 1e8 + 0.5; +// f64 float64 = -1e8 + 0.5; +) + +func chki8(i, v int8) { if i != v { panicln(i, "!=", v) } } +func chki16(i, v int16) { if i != v { panicln(i, "!=", v) } } +func chki32(i, v int32) { if i != v { panicln(i, "!=", v) } } +func chki64(i, v int64) { if i != v { panicln(i, "!=", v) } } +func chku8(i, v uint8) { if i != v { panicln(i, "!=", v) } } +func chku16(i, v uint16) { if i != v { panicln(i, "!=", v) } } +func chku32(i, v uint32) { if i != v { panicln(i, "!=", v) } } +func chku64(i, v uint64) { if i != v { panicln(i, "!=", v) } } +//func chkf32(f, v float32) { if f != v { panicln(f, "!=", v) } } +//func chkf64(f, v float64) { if f != v { panicln(f, "!=", v) } } + +func main() +{ + chki8(int8(i8), ci8 & 0xff - 1<<8); + chki8(int8(i16), ci16 & 0xff); + chki8(int8(i32), ci32 & 0xff - 1<<8); + chki8(int8(i64), ci64 & 0xff); + chki8(int8(u8), cu8 & 0xff - 1<<8); + chki8(int8(u16), cu16 & 0xff); + chki8(int8(u32), cu32 & 0xff); + chki8(int8(u64), cu64 & 0xff); +// chki8(int8(f32), 0); +// chki8(int8(f64), 0); + + chki16(int16(i8), ci8 & 0xffff - 1<<16); + chki16(int16(i16), ci16 & 0xffff - 1<<16); + chki16(int16(i32), ci32 & 0xffff - 1<<16); + chki16(int16(i64), ci64 & 0xffff - 1<<16); + chki16(int16(u8), cu8 & 0xffff); + chki16(int16(u16), cu16 & 0xffff - 1<<16); + chki16(int16(u32), cu32 & 0xffff); + chki16(int16(u64), cu64 & 0xffff - 1<<16); +// chki16(int16(f32), 0); +// chki16(int16(f64), 0); + + chki32(int32(i8), ci8 & 0xffffffff - 1<<32); + chki32(int32(i16), ci16 & 0xffffffff - 1<<32); + chki32(int32(i32), ci32 & 0xffffffff - 1<<32); + chki32(int32(i64), ci64 & 0xffffffff); + chki32(int32(u8), cu8 & 0xffffffff); + chki32(int32(u16), cu16 & 0xffffffff); + chki32(int32(u32), cu32 & 0xffffffff - 1<<32); + chki32(int32(u64), cu64 & 0xffffffff - 1<<32); +// chki32(int32(f32), 0); +// chki32(int32(f64), 0); + + chki64(int64(i8), ci8 & 0xffffffffffffffff - 1<<64); + chki64(int64(i16), ci16 & 0xffffffffffffffff - 1<<64); + chki64(int64(i32), ci32 & 0xffffffffffffffff - 1<<64); + chki64(int64(i64), ci64 & 0xffffffffffffffff - 1<<64); + chki64(int64(u8), cu8 & 0xffffffffffffffff); + chki64(int64(u16), cu16 & 0xffffffffffffffff); + chki64(int64(u32), cu32 & 0xffffffffffffffff); + chki64(int64(u64), cu64 & 0xffffffffffffffff - 1<<64); +// chki64(int64(f32), 0); +// chki64(int64(f64), 0); + + + chku8(uint8(i8), ci8 & 0xff); + chku8(uint8(i16), ci16 & 0xff); + chku8(uint8(i32), ci32 & 0xff); + chku8(uint8(i64), ci64 & 0xff); + chku8(uint8(u8), cu8 & 0xff); + chku8(uint8(u16), cu16 & 0xff); + chku8(uint8(u32), cu32 & 0xff); + chku8(uint8(u64), cu64 & 0xff); +// chku8(uint8(f32), 0); +// chku8(uint8(f64), 0); + + chku16(uint16(i8), ci8 & 0xffff); + chku16(uint16(i16), ci16 & 0xffff); + chku16(uint16(i32), ci32 & 0xffff); + chku16(uint16(i64), ci64 & 0xffff); + chku16(uint16(u8), cu8 & 0xffff); + chku16(uint16(u16), cu16 & 0xffff); + chku16(uint16(u32), cu32 & 0xffff); + chku16(uint16(u64), cu64 & 0xffff); +// chku16(uint16(f32), 0); +// chku16(uint16(f64), 0); + + chku32(uint32(i8), ci8 & 0xffffffff); + chku32(uint32(i16), ci16 & 0xffffffff); + chku32(uint32(i32), ci32 & 0xffffffff); + chku32(uint32(i64), ci64 & 0xffffffff); + chku32(uint32(u8), cu8 & 0xffffffff); + chku32(uint32(u16), cu16 & 0xffffffff); + chku32(uint32(u32), cu32 & 0xffffffff); + chku32(uint32(u64), cu64 & 0xffffffff); +// chku32(uint32(f32), 0); +// chku32(uint32(f64), 0); + + chku64(uint64(i8), ci8 & 0xffffffffffffffff); + chku64(uint64(i16), ci16 & 0xffffffffffffffff); + chku64(uint64(i32), ci32 & 0xffffffffffffffff); + chku64(uint64(i64), ci64 & 0xffffffffffffffff); + chku64(uint64(u8), cu8 & 0xffffffffffffffff); + chku64(uint64(u16), cu16 & 0xffffffffffffffff); + chku64(uint64(u32), cu32 & 0xffffffffffffffff); + chku64(uint64(u64), cu64 & 0xffffffffffffffff); +// chku64(uint64(f32), 0); +// chku64(uint64(f64), 0); +} |