...
Run Format

Source file test/fixedbugs/issue11945.go

Documentation: test/fixedbugs

  // 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
  
  	// 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))
  		}
  	}
  }
  

View as plain text