53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
// Copyright 2020 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 strconv_test
|
|
|
|
import (
|
|
. "strconv"
|
|
"testing"
|
|
)
|
|
|
|
func TestFormatComplex(t *testing.T) {
|
|
tests := []struct {
|
|
c complex128
|
|
fmt byte
|
|
prec int
|
|
bitSize int
|
|
out string
|
|
}{
|
|
// a variety of signs
|
|
{1 + 2i, 'g', -1, 128, "(1+2i)"},
|
|
{3 - 4i, 'g', -1, 128, "(3-4i)"},
|
|
{-5 + 6i, 'g', -1, 128, "(-5+6i)"},
|
|
{-7 - 8i, 'g', -1, 128, "(-7-8i)"},
|
|
|
|
// test that fmt and prec are working
|
|
{3.14159 + 0.00123i, 'e', 3, 128, "(3.142e+00+1.230e-03i)"},
|
|
{3.14159 + 0.00123i, 'f', 3, 128, "(3.142+0.001i)"},
|
|
{3.14159 + 0.00123i, 'g', 3, 128, "(3.14+0.00123i)"},
|
|
|
|
// ensure bitSize rounding is working
|
|
{1.2345678901234567 + 9.876543210987654i, 'f', -1, 128, "(1.2345678901234567+9.876543210987654i)"},
|
|
{1.2345678901234567 + 9.876543210987654i, 'f', -1, 64, "(1.2345679+9.876543i)"},
|
|
|
|
// other cases are handled by FormatFloat tests
|
|
}
|
|
for _, test := range tests {
|
|
out := FormatComplex(test.c, test.fmt, test.prec, test.bitSize)
|
|
if out != test.out {
|
|
t.Fatalf("FormatComplex(%v, %q, %d, %d) = %q; want %q",
|
|
test.c, test.fmt, test.prec, test.bitSize, out, test.out)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestFormatComplexInvalidBitSize(t *testing.T) {
|
|
defer func() {
|
|
if r := recover(); r == nil {
|
|
t.Fatalf("expected panic due to invalid bitSize")
|
|
}
|
|
}()
|
|
_ = FormatComplex(1+2i, 'g', -1, 100)
|
|
}
|