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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 /test/cmplx.go
parentInitial commit. (diff)
downloadgolang-1.20-upstream.tar.xz
golang-1.20-upstream.zip
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/cmplx.go')
-rw-r--r--test/cmplx.go68
1 files changed, 68 insertions, 0 deletions
diff --git a/test/cmplx.go b/test/cmplx.go
new file mode 100644
index 0000000..d63c7eb
--- /dev/null
+++ b/test/cmplx.go
@@ -0,0 +1,68 @@
+// errorcheck
+
+// 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.
+
+// Verify that incorrect invocations of the complex predeclared function are detected.
+// Does not compile.
+
+package main
+
+type (
+ Float32 float32
+ Float64 float64
+ Complex64 complex64
+ Complex128 complex128
+)
+
+var (
+ f32 float32
+ f64 float64
+ F32 Float32
+ F64 Float64
+
+ c64 complex64
+ c128 complex128
+ C64 Complex64
+ C128 Complex128
+)
+
+func F1() int {
+ return 1
+}
+
+func F3() (int, int, int) {
+ return 1, 2, 3
+}
+
+func main() {
+ // ok
+ c64 = complex(f32, f32)
+ c128 = complex(f64, f64)
+
+ _ = complex128(0) // ok
+ _ = complex(f32, f64) // ERROR "complex"
+ _ = complex(f64, f32) // ERROR "complex"
+ _ = complex(f32, F32) // ERROR "complex"
+ _ = complex(F32, f32) // ERROR "complex"
+ _ = complex(f64, F64) // ERROR "complex"
+ _ = complex(F64, f64) // ERROR "complex"
+
+ _ = complex(F1()) // ERROR "not enough arguments"
+ _ = complex(F3()) // ERROR "too many arguments"
+
+ _ = complex() // ERROR "not enough arguments"
+
+ c128 = complex(f32, f32) // ERROR "cannot use"
+ c64 = complex(f64, f64) // ERROR "cannot use"
+
+ c64 = complex(1.0, 2.0) // ok, constant is untyped
+ c128 = complex(1.0, 2.0)
+ C64 = complex(1.0, 2.0)
+ C128 = complex(1.0, 2.0)
+
+ C64 = complex(f32, f32) // ERROR "cannot use"
+ C128 = complex(f64, f64) // ERROR "cannot use"
+
+}