case-range1.C, [...]: New tests.

       * g++.dg/ext/case-range1.C, g++.dg/ext/case-range2.C,
       g++.dg/ext/case-range3.C: New tests.

From-SVN: r76973

4 files changed, 78 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d4138f7..979a0457 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2004-01-30  Michael Matz  <matz@suse.de>
+
+	* g++.dg/ext/case-range1.C, g++.dg/ext/case-range2.C,
+	g++.dg/ext/case-range3.C: New tests.
+
 2004-01-30  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
 
 	DR206
diff --git a/gcc/testsuite/g++.dg/ext/case-range1.C b/gcc/testsuite/g++.dg/ext/case-range1.C
new file mode 100644
index 0000000..0e313d6
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/case-range1.C
@@ -0,0 +1,23 @@
+// { dg-do compile }
+// Tests if case ranges (a GNU extension) are accepted
+// { dg-options "" }
+const int low = -2;
+const int high = 15;
+
+template <typename T>
+T f2 (T i)
+{
+  switch (i)
+  {
+    case low ... high : return i + 1;
+    default : return 0;
+  }
+}
+
+int f (int i)
+{
+  switch (i) {
+    case 1 ... 10: return i + 1;
+    default: return f2 (i);
+  }
+}
diff --git a/gcc/testsuite/g++.dg/ext/case-range2.C b/gcc/testsuite/g++.dg/ext/case-range2.C
new file mode 100644
index 0000000..33befbd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/case-range2.C
@@ -0,0 +1,27 @@
+// { dg-do compile }
+// Tests if case ranges (a GNU extension) correctly emit messages
+// about overlapping ranges.
+// { dg-options "" }
+
+const int low = -2;
+const int high = 15;
+
+template <typename T>
+T f2 (T i)
+{
+  switch (i)
+  {
+    case low ... high : return i + 1;  // { dg-error "" }
+    case 5 : return i + 2;             // { dg-error "duplicate" }
+    default : return 0;
+  }
+}
+
+int f (int i)
+{
+  switch (i) {
+    case 1 ... 10: return i + 1;       // { dg-error "" }
+    case 3 ... 5 : return i + 3;       // { dg-error "duplicate" }
+    default: return f2 (i);            // { dg-error "" }
+  }
+}
diff --git a/gcc/testsuite/g++.dg/ext/case-range3.C b/gcc/testsuite/g++.dg/ext/case-range3.C
new file mode 100644
index 0000000..569ce62
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/case-range3.C
@@ -0,0 +1,23 @@
+// { dg-do compile }
+// Tests if case ranges (a GNU extension) emit errors in ISO mode
+// { dg-options "-pedantic" }
+const int low = -2;
+const int high = 15;
+
+template <typename T>
+T f2 (T i)
+{
+  switch (i)
+  {
+    case low ... high : return i + 1; // { dg-error "non-standard" }
+    default : return 0;
+  }
+}
+
+int f (int i)
+{
+  switch (i) {
+    case 1 ... 10: return i + 1;      // { dg-error "non-standard" }
+    default: return f2 (i);           // { dg-error "" }
+  }
+}