1 files changed, 127 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/go.test/test/const.go b/gcc-4.9/gcc/testsuite/go.test/test/const.go
new file mode 100644
index 000000000..d583659c6
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/go.test/test/const.go
@@ -0,0 +1,127 @@
+// run
+
+// Copyright 2009 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 simple boolean and numeric constants.
+
+package main
+
+import "os"
+
+const (
+	c0      = 0
+	cm1     = -1
+	chuge   = 1 << 100
+	chuge_1 = chuge - 1
+	c1      = chuge >> 100
+	c3div2  = 3 / 2
+	c1e3    = 1e3
+
+	ctrue  = true
+	cfalse = !ctrue
+)
+
+const (
+	f0              = 0.0
+	fm1             = -1.
+	fhuge   float64 = 1 << 100
+	fhuge_1 float64 = chuge - 1
+	f1      float64 = chuge >> 100
+	f3div2          = 3. / 2.
+	f1e3    float64 = 1e3
+)
+
+func assert(t bool, s string) {
+	if !t {
+		panic(s)
+	}
+}
+
+func ints() {
+	assert(c0 == 0, "c0")
+	assert(c1 == 1, "c1")
+	assert(chuge > chuge_1, "chuge")
+	assert(chuge_1+1 == chuge, "chuge 1")
+	assert(chuge+cm1+1 == chuge, "cm1")
+	assert(c3div2 == 1, "3/2")
+	assert(c1e3 == 1000, "c1e3 int")
+	assert(c1e3 == 1e3, "c1e3 float")
+
+	// verify that all (in range) are assignable as ints
+	var i int
+	i = c0
+	assert(i == c0, "i == c0")
+	i = cm1
+	assert(i == cm1, "i == cm1")
+	i = c1
+	assert(i == c1, "i == c1")
+	i = c3div2
+	assert(i == c3div2, "i == c3div2")
+	i = c1e3
+	assert(i == c1e3, "i == c1e3")
+
+	// verify that all are assignable as floats
+	var f float64
+	f = c0
+	assert(f == c0, "f == c0")
+	f = cm1
+	assert(f == cm1, "f == cm1")
+	f = chuge
+	assert(f == chuge, "f == chuge")
+	f = chuge_1
+	assert(f == chuge_1, "f == chuge_1")
+	f = c1
+	assert(f == c1, "f == c1")
+	f = c3div2
+	assert(f == c3div2, "f == c3div2")
+	f = c1e3
+	assert(f == c1e3, "f == c1e3")
+}
+
+func floats() {
+	assert(f0 == c0, "f0")
+	assert(f1 == c1, "f1")
+	// TODO(gri): exp/ssa/interp constant folding is incorrect.
+	if os.Getenv("GOSSAINTERP") == "" {
+		assert(fhuge == fhuge_1, "fhuge") // float64 can't distinguish fhuge, fhuge_1.
+	}
+	assert(fhuge_1+1 == fhuge, "fhuge 1")
+	assert(fhuge+fm1+1 == fhuge, "fm1")
+	assert(f3div2 == 1.5, "3./2.")
+	assert(f1e3 == 1000, "f1e3 int")
+	assert(f1e3 == 1.e3, "f1e3 float")
+
+	// verify that all (in range) are assignable as ints
+	var i int
+	i = f0
+	assert(i == f0, "i == f0")
+	i = fm1
+	assert(i == fm1, "i == fm1")
+
+	// verify that all are assignable as floats
+	var f float64
+	f = f0
+	assert(f == f0, "f == f0")
+	f = fm1
+	assert(f == fm1, "f == fm1")
+	f = fhuge
+	assert(f == fhuge, "f == fhuge")
+	f = fhuge_1
+	assert(f == fhuge_1, "f == fhuge_1")
+	f = f1
+	assert(f == f1, "f == f1")
+	f = f3div2
+	assert(f == f3div2, "f == f3div2")
+	f = f1e3
+	assert(f == f1e3, "f == f1e3")
+}
+
+func main() {
+	ints()
+	floats()
+
+	assert(ctrue == true, "ctrue == true")
+	assert(cfalse == false, "cfalse == false")
+}