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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
commit43a123c1ae6613b3efeed291fa552ecd909d3acf (patch)
treefd92518b7024bc74031f78a1cf9e454b65e73665 /src/strconv/ctoa_test.go
parentInitial commit. (diff)
downloadgolang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz
golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/strconv/ctoa_test.go')
-rw-r--r--src/strconv/ctoa_test.go53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/strconv/ctoa_test.go b/src/strconv/ctoa_test.go
new file mode 100644
index 0000000..8b77898
--- /dev/null
+++ b/src/strconv/ctoa_test.go
@@ -0,0 +1,53 @@
+// 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)
+}