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-rw-r--r--test/ken/cplx4.go61
1 files changed, 61 insertions, 0 deletions
diff --git a/test/ken/cplx4.go b/test/ken/cplx4.go
new file mode 100644
index 0000000..97d5d16
--- /dev/null
+++ b/test/ken/cplx4.go
@@ -0,0 +1,61 @@
+// run
+
+// Copyright 2010 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.
+
+// Test complex numbers,including fmt support.
+// Used to crash.
+
+package main
+
+import "fmt"
+
+const (
+ R = 5
+ I = 6i
+
+ C1 = R + I // ADD(5,6)
+)
+
+func want(s, w string) {
+ if s != w {
+ panic(s + " != " + w)
+ }
+}
+
+func doprint(c complex128, w string) {
+ s := fmt.Sprintf("%f", c)
+ want(s, w)
+}
+
+func main() {
+
+ // constants
+ s := fmt.Sprintf("%f", -C1)
+ want(s, "(-5.000000-6.000000i)")
+ doprint(C1, "(5.000000+6.000000i)")
+
+ // variables
+ c1 := C1
+ s = fmt.Sprintf("%f", c1)
+ want(s, "(5.000000+6.000000i)")
+ doprint(c1, "(5.000000+6.000000i)")
+
+ // 128
+ c2 := complex128(C1)
+ s = fmt.Sprintf("%G", c2)
+ want(s, "(5+6i)")
+
+ // real, imag, complex
+ c3 := complex(real(c2)+3, imag(c2)-5) + c2
+ s = fmt.Sprintf("%G", c3)
+ want(s, "(13+7i)")
+
+ // compiler used to crash on nested divide
+ c4 := complex(real(c3/2), imag(c3/2))
+ if c4 != c3/2 {
+ fmt.Printf("BUG: c3 = %G != c4 = %G\n", c3, c4)
+ panic(0)
+ }
+}