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authorZancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au>2012-09-24 09:58:17 +1000
committerZancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au>2012-09-24 09:58:17 +1000
commit222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch)
tree7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/SemaCXX/bool.cpp
parent3d206f03985b50beacae843d880bccdc91a9f424 (diff)
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/SemaCXX/bool.cpp')
-rw-r--r--clang/test/SemaCXX/bool.cpp33
1 files changed, 33 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/bool.cpp b/clang/test/SemaCXX/bool.cpp
new file mode 100644
index 0000000..2b3ab68
--- /dev/null
+++ b/clang/test/SemaCXX/bool.cpp
@@ -0,0 +1,33 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// Bool literals can be enum values.
+enum {
+ ReadWrite = false,
+ ReadOnly = true
+};
+
+// bool cannot be decremented, and gives a warning on increment
+void test(bool b)
+{
+ ++b; // expected-warning {{incrementing expression of type bool is deprecated}}
+ b++; // expected-warning {{incrementing expression of type bool is deprecated}}
+ --b; // expected-error {{cannot decrement expression of type bool}}
+ b--; // expected-error {{cannot decrement expression of type bool}}
+
+ bool *b1 = (int *)0; // expected-error{{cannot initialize}}
+}
+
+// static_assert_arg_is_bool(x) compiles only if x is a bool.
+template <typename T>
+void static_assert_arg_is_bool(T x) {
+ bool* p = &x;
+}
+
+void test2() {
+ int n = 2;
+ static_assert_arg_is_bool(n && 4); // expected-warning {{use of logical '&&' with constant operand}} \
+ // expected-note {{use '&' for a bitwise operation}} \
+ // expected-note {{remove constant to silence this warning}}
+ static_assert_arg_is_bool(n || 5); // expected-warning {{use of logical '||' with constant operand}} \
+ // expected-note {{use '|' for a bitwise operation}}
+}