Vendor import of clang tags/RELEASE_33/final r183502 (effectively, 3.3

release):
http://llvm.org/svn/llvm-project/cfe/tags/RELEASE_33/final@183502

1 files changed, 94 insertions, 0 deletions

diff --git a/test/Analysis/bool-assignment.c b/test/Analysis/bool-assignment.c
new file mode 100644
index 0000000..0f782fb
--- /dev/null
+++ b/test/Analysis/bool-assignment.c
@@ -0,0 +1,94 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core.BoolAssignment -analyzer-store=region -verify -std=c99 -Dbool=_Bool %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core.BoolAssignment -analyzer-store=region -verify -x c++ %s
+
+// Test C++'s bool and C's _Bool.
+// FIXME: We stopped warning on these when SValBuilder got smarter about
+// casts to bool. Arguably, however, these conversions are okay; the result
+// is always 'true' or 'false'.
+
+void test_stdbool_initialization(int y) {
+  bool constant = 2; // no-warning
+  if (y < 0) {
+    bool x = y; // no-warning
+    return;
+  }
+  if (y > 1) {
+    bool x = y; // no-warning
+    return;
+  }
+  bool x = y; // no-warning
+}
+
+void test_stdbool_assignment(int y) {
+  bool x = 0; // no-warning
+  if (y < 0) {
+    x = y; // no-warning
+    return;
+  }
+  if (y > 1) {
+    x = y; // no-warning
+    return;
+  }
+  x = y; // no-warning
+}
+
+// Test Objective-C's BOOL
+
+typedef signed char BOOL;
+
+void test_BOOL_initialization(int y) {
+  BOOL constant = 2; // expected-warning {{Assignment of a non-Boolean value}}
+  if (y < 0) {
+    BOOL x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  if (y > 1) {
+    BOOL x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  BOOL x = y; // no-warning
+}
+
+void test_BOOL_assignment(int y) {
+  BOOL x = 0; // no-warning
+  if (y < 0) {
+    x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  if (y > 1) {
+    x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  x = y; // no-warning
+}
+
+
+// Test MacTypes.h's Boolean
+
+typedef unsigned char Boolean;
+
+void test_Boolean_initialization(int y) {
+  Boolean constant = 2; // expected-warning {{Assignment of a non-Boolean value}}
+  if (y < 0) {
+    Boolean x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  if (y > 1) {
+    Boolean x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  Boolean x = y; // no-warning
+}
+
+void test_Boolean_assignment(int y) {
+  Boolean x = 0; // no-warning
+  if (y < 0) {
+    x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  if (y > 1) {
+    x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  x = y; // no-warning
+}