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-rw-r--r--test/Analysis/diagnostics/undef-value-param.m476
1 files changed, 476 insertions, 0 deletions
diff --git a/test/Analysis/diagnostics/undef-value-param.m b/test/Analysis/diagnostics/undef-value-param.m
new file mode 100644
index 0000000000000..d2a7a087b8c7d
--- /dev/null
+++ b/test/Analysis/diagnostics/undef-value-param.m
@@ -0,0 +1,476 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,osx -analyzer-output=text -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,osx -analyzer-output=plist-multi-file %s -o - | FileCheck %s
+
+typedef signed char BOOL;
+@protocol NSObject - (BOOL)isEqual:(id)object; @end
+@interface NSObject <NSObject> {}
++(id)alloc;
++(id)new;
+-(id)init;
+-(id)autorelease;
+-(id)copy;
+- (Class)class;
+-(id)retain;
+@end
+typedef const void * CFTypeRef;
+extern void CFRelease(CFTypeRef cf);
+
+@interface Cell : NSObject
+- (void)test;
+@end
+
+@interface SpecialString
++ (id)alloc;
+- (oneway void)release;
+@end
+
+typedef SpecialString* SCDynamicStoreRef;
+static void CreateRef(SCDynamicStoreRef *storeRef, unsigned x);
+SCDynamicStoreRef anotherCreateRef(unsigned *err, unsigned x);
+
+@implementation Cell
+- (void) test {
+ SCDynamicStoreRef storeRef = 0; //expected-note{{Variable 'storeRef' initialized to nil}}
+ CreateRef(&storeRef, 4);
+ //expected-note@-1{{Calling 'CreateRef'}}
+ //expected-note@-2{{Returning from 'CreateRef'}}
+ CFRelease(storeRef); //expected-warning {{Null pointer argument in call to CFRelease}}
+ //expected-note@-1{{Null pointer argument in call to CFRelease}}
+}
+@end
+
+static void CreateRef(SCDynamicStoreRef *storeRef, unsigned x) {
+ unsigned err = 0;
+ SCDynamicStoreRef ref = anotherCreateRef(&err, x); // why this is being inlined?
+ if (err) {
+ //expected-note@-1{{Assuming 'err' is not equal to 0}}
+ //expected-note@-2{{Taking true branch}}
+ CFRelease(ref);
+ ref = 0;
+ }
+ *storeRef = ref;
+}
+
+//CHECK: <dict>
+//CHECK: <key>files</key>
+//CHECK: <array>
+//CHECK: </array>
+//CHECK: <key>diagnostics</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>path</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>event</string>
+//CHECK: <key>location</key>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>33</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <key>ranges</key>
+//CHECK: <array>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>33</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>33</integer>
+//CHECK: <key>col</key><integer>30</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </array>
+//CHECK: <key>depth</key><integer>0</integer>
+//CHECK: <key>extended_message</key>
+//CHECK: <string>Variable &apos;storeRef&apos; initialized to nil</string>
+//CHECK: <key>message</key>
+//CHECK: <string>Variable &apos;storeRef&apos; initialized to nil</string>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>control</string>
+//CHECK: <key>edges</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>start</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>33</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>33</integer>
+//CHECK: <key>col</key><integer>21</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: <key>end</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>34</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>34</integer>
+//CHECK: <key>col</key><integer>13</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>event</string>
+//CHECK: <key>location</key>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>34</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <key>ranges</key>
+//CHECK: <array>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>34</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>34</integer>
+//CHECK: <key>col</key><integer>27</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </array>
+//CHECK: <key>depth</key><integer>0</integer>
+//CHECK: <key>extended_message</key>
+//CHECK: <string>Calling &apos;CreateRef&apos;</string>
+//CHECK: <key>message</key>
+//CHECK: <string>Calling &apos;CreateRef&apos;</string>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>event</string>
+//CHECK: <key>location</key>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>42</integer>
+//CHECK: <key>col</key><integer>1</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <key>depth</key><integer>1</integer>
+//CHECK: <key>extended_message</key>
+//CHECK: <string>Entered call from &apos;test&apos;</string>
+//CHECK: <key>message</key>
+//CHECK: <string>Entered call from &apos;test&apos;</string>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>control</string>
+//CHECK: <key>edges</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>start</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>42</integer>
+//CHECK: <key>col</key><integer>1</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>42</integer>
+//CHECK: <key>col</key><integer>6</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: <key>end</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>43</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>43</integer>
+//CHECK: <key>col</key><integer>12</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>control</string>
+//CHECK: <key>edges</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>start</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>43</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>43</integer>
+//CHECK: <key>col</key><integer>12</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: <key>end</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>6</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>control</string>
+//CHECK: <key>edges</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>start</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>6</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: <key>end</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>9</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>11</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>event</string>
+//CHECK: <key>location</key>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>9</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <key>ranges</key>
+//CHECK: <array>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>9</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>11</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </array>
+//CHECK: <key>depth</key><integer>1</integer>
+//CHECK: <key>extended_message</key>
+//CHECK: <string>Assuming &apos;err&apos; is not equal to 0</string>
+//CHECK: <key>message</key>
+//CHECK: <string>Assuming &apos;err&apos; is not equal to 0</string>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>control</string>
+//CHECK: <key>edges</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>start</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>9</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>45</integer>
+//CHECK: <key>col</key><integer>11</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: <key>end</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>48</integer>
+//CHECK: <key>col</key><integer>9</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>48</integer>
+//CHECK: <key>col</key><integer>17</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>control</string>
+//CHECK: <key>edges</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>start</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>48</integer>
+//CHECK: <key>col</key><integer>9</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>48</integer>
+//CHECK: <key>col</key><integer>17</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: <key>end</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>51</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>51</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>event</string>
+//CHECK: <key>location</key>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>34</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <key>ranges</key>
+//CHECK: <array>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>34</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>34</integer>
+//CHECK: <key>col</key><integer>27</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </array>
+//CHECK: <key>depth</key><integer>1</integer>
+//CHECK: <key>extended_message</key>
+//CHECK: <string>Returning from &apos;CreateRef&apos;</string>
+//CHECK: <key>message</key>
+//CHECK: <string>Returning from &apos;CreateRef&apos;</string>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>control</string>
+//CHECK: <key>edges</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>start</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>34</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>34</integer>
+//CHECK: <key>col</key><integer>13</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: <key>end</key>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>37</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>37</integer>
+//CHECK: <key>col</key><integer>13</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>kind</key><string>event</string>
+//CHECK: <key>location</key>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>37</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <key>ranges</key>
+//CHECK: <array>
+//CHECK: <array>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>37</integer>
+//CHECK: <key>col</key><integer>15</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>37</integer>
+//CHECK: <key>col</key><integer>22</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </array>
+//CHECK: <key>depth</key><integer>0</integer>
+//CHECK: <key>extended_message</key>
+//CHECK: <string>Null pointer argument in call to CFRelease</string>
+//CHECK: <key>message</key>
+//CHECK: <string>Null pointer argument in call to CFRelease</string>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: <key>description</key><string>Null pointer argument in call to CFRelease</string>
+//CHECK: <key>category</key><string>API Misuse (Apple)</string>
+//CHECK: <key>type</key><string>null passed to CFRetain/CFRelease/CFMakeCollectable</string>
+//CHECK: <key>issue_context_kind</key><string>Objective-C method</string>
+//CHECK: <key>issue_context</key><string>test</string>
+//CHECK: <key>issue_hash</key><integer>5</integer>
+//CHECK: <key>location</key>
+//CHECK: <dict>
+//CHECK: <key>line</key><integer>37</integer>
+//CHECK: <key>col</key><integer>5</integer>
+//CHECK: <key>file</key><integer>0</integer>
+//CHECK: </dict>
+//CHECK: </dict>
+//CHECK: </array>
+//CHECK: </dict>
+//CHECK: </plist>
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-02 10:41:16 +0000