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Diffstat (limited to '')
| -rw-r--r-- | test/fixedbugs/issue11945.go | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/test/fixedbugs/issue11945.go b/test/fixedbugs/issue11945.go new file mode 100644 index 0000000..218d07a --- /dev/null +++ b/test/fixedbugs/issue11945.go @@ -0,0 +1,75 @@ +// run + +// Copyright 2017 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 + +import "fmt" + +// issue 17446 +const ( + _ = real(0) // from bug report + _ = imag(0) // from bug report + + // same as above, but exported for #43891 + Real0 = real(0) + Imag0 = imag(0) + + // if the arguments are untyped, the results must be untyped + // (and compatible with types that can represent the values) + _ int = real(1) + _ int = real('a') + _ int = real(2.0) + _ int = real(3i) + + _ float32 = real(1) + _ float32 = real('a') + _ float32 = real(2.1) + _ float32 = real(3.2i) + + _ float64 = real(1) + _ float64 = real('a') + _ float64 = real(2.1) + _ float64 = real(3.2i) + + _ int = imag(1) + _ int = imag('a') + _ int = imag(2.1 + 3i) + _ int = imag(3i) + + _ float32 = imag(1) + _ float32 = imag('a') + _ float32 = imag(2.1 + 3.1i) + _ float32 = imag(3i) + + _ float64 = imag(1) + _ float64 = imag('a') + _ float64 = imag(2.1 + 3.1i) + _ float64 = imag(3i) +) + +var tests = []struct { + code string + got, want interface{} +}{ + {"real(1)", real(1), 1.0}, + {"real('a')", real('a'), float64('a')}, + {"real(2.0)", real(2.0), 2.0}, + {"real(3.2i)", real(3.2i), 0.0}, + + {"imag(1)", imag(1), 0.0}, + {"imag('a')", imag('a'), 0.0}, + {"imag(2.1 + 3.1i)", imag(2.1 + 3.1i), 3.1}, + {"imag(3i)", imag(3i), 3.0}, +} + +func main() { + // verify compile-time evaluated constant expressions + for _, test := range tests { + if test.got != test.want { + panic(fmt.Sprintf("%s: %v (%T) != %v (%T)", test.code, test.got, test.got, test.want, test.want)) + } + } +} |