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-rw-r--r--test/Analysis/CFNumber.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/test/Analysis/CFNumber.c b/test/Analysis/CFNumber.c
new file mode 100644
index 0000000..f62d2ab
--- /dev/null
+++ b/test/Analysis/CFNumber.c
@@ -0,0 +1,31 @@
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s &&
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s &&
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s &&
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s
+
+typedef signed long CFIndex;
+typedef const struct __CFAllocator * CFAllocatorRef;
+enum { kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2,
+ kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4,
+ kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6,
+ kCFNumberCharType = 7, kCFNumberShortType = 8,
+ kCFNumberIntType = 9, kCFNumberLongType = 10,
+ kCFNumberLongLongType = 11, kCFNumberFloatType = 12,
+ kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14,
+ kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16,
+ kCFNumberMaxType = 16 };
+typedef CFIndex CFNumberType;
+typedef const struct __CFNumber * CFNumberRef;
+extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
+
+CFNumberRef f1(unsigned char x) {
+ return CFNumberCreate(0, kCFNumberSInt16Type, &x); // expected-warning{{An 8 bit integer is used to initialize a CFNumber object that represents a 16 bit integer. 8 bits of the CFNumber value will be garbage.}}
+}
+
+CFNumberRef f2(unsigned short x) {
+ return CFNumberCreate(0, kCFNumberSInt8Type, &x); // expected-warning{{A 16 bit integer is used to initialize a CFNumber object that represents an 8 bit integer. 8 bits of the input integer will be lost.}}
+}
+
+CFNumberRef f3(unsigned i) {
+ return CFNumberCreate(0, kCFNumberLongType, &i); // expected-warning{{A 32 bit integer is used to initialize a CFNumber object that represents a 64 bit integer.}}
+}
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