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Added endtoend test that shows that we can release objects inside a block

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Reviewed By: akotulski

Differential Revision: D2570345

fb-gh-sync-id: d96cdc8
master
Dulma Rodriguez 9 years ago committed by facebook-github-bot-7
parent 9c578406a1
commit 1371ca96e9
3 changed files with 81 additions and 28 deletions
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38
infer/tests/codetoanalyze/objc/frontend/block/block_release.dot
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@ -1,33 +1,29 @@
digraph iCFG {
19 [label="19: BinaryOperatorStmt: Assign \n *&#GB$g:int =7 [line 24]\n " shape="box"]
19 -> 18 ;
18 [label="18: DeclStmt \n *&z:int =3 [line 26]\n " shape="box"]
18 [label="18: DeclStmt \n *&z:int =3 [line 23]\n " shape="box"]
18 -> 17 ;
17 [label="17: DeclStmt \n n$12=_fun_CGBitmapContextCreate(0:void *,0:unsigned long ,0:unsigned long ,8:unsigned long ,0:unsigned long ,0:struct CGColorSpace *,0:unsigned int ) [line 27]\n *&context:struct CGContext *=n$12 [line 27]\n REMOVE_TEMPS(n$12); [line 27]\n " shape="box"]
17 [label="17: DeclStmt \n n$12=_fun_CGBitmapContextCreate(0:void *,0:unsigned long ,0:unsigned long ,8:unsigned long ,0:unsigned long ,0:struct CGColorSpace *,0:unsigned int ) [line 24]\n *&context:struct CGContext *=n$12 [line 24]\n REMOVE_TEMPS(n$12); [line 24]\n " shape="box"]
17 -> 16 ;
16 [label="16: DeclStmt \n n$10=*&context:struct CGContext * [line 28]\n n$11=_fun_CGBitmapContextCreateImage(n$10:struct CGContext *) [line 28]\n *&newImage:struct CGImage *=n$11 [line 28]\n REMOVE_TEMPS(n$10,n$11); [line 28]\n " shape="box"]
16 [label="16: DeclStmt \n n$10=*&context:struct CGContext * [line 25]\n n$11=_fun_CGBitmapContextCreateImage(n$10:struct CGContext *) [line 25]\n *&newImage:struct CGImage *=n$11 [line 25]\n REMOVE_TEMPS(n$10,n$11); [line 25]\n " shape="box"]
16 -> 15 ;
15 [label="15: BinaryOperatorStmt: Assign \n DECLARE_LOCALS(&__objc_anonymous_block_My_manager_my_mehtod______1); [line 29]\n n$8=_fun___objc_alloc_no_fail(sizeof(class __objc_anonymous_block_My_manager_my_mehtod______1 ):unsigned long ) [line 29]\n *&__objc_anonymous_block_My_manager_my_mehtod______1:class __objc_anonymous_block_My_manager_my_mehtod______1 =n$8 [line 29]\n n$9=*&newImage:struct CGImage * [line 29]\n *n$8.newImage:struct CGImage *=n$9 [line 29]\n n$5=*&newImage:struct CGImage * [line 29]\n *&b:_fn_ (*)=(_fun___objc_anonymous_block_My_manager_my_mehtod______1,n$5) [line 29]\n REMOVE_TEMPS(n$8,n$9,n$5); [line 29]\n " shape="box"]
15 [label="15: BinaryOperatorStmt: Assign \n DECLARE_LOCALS(&__objc_anonymous_block_My_manager_m______1); [line 26]\n n$8=_fun___objc_alloc_no_fail(sizeof(class __objc_anonymous_block_My_manager_m______1 ):unsigned long ) [line 26]\n *&__objc_anonymous_block_My_manager_m______1:class __objc_anonymous_block_My_manager_m______1 =n$8 [line 26]\n n$9=*&newImage:struct CGImage * [line 26]\n *n$8.newImage:struct CGImage *=n$9 [line 26]\n n$5=*&newImage:struct CGImage * [line 26]\n *&b:_fn_ (*)=(_fun___objc_anonymous_block_My_manager_m______1,n$5) [line 26]\n REMOVE_TEMPS(n$8,n$9,n$5); [line 26]\n " shape="box"]
15 -> 8 ;
14 [label="14: Call _fun_CGImageRelease \n n$7=*&newImage:struct CGImage * [line 30]\n _fun_CGImageRelease(n$7:struct CGImage *) [line 30]\n REMOVE_TEMPS(n$7); [line 30]\n APPLY_ABSTRACTION; [line 30]\n " shape="box"]
14 [label="14: Call _fun_CGImageRelease \n n$7=*&newImage:struct CGImage * [line 27]\n _fun_CGImageRelease(n$7:struct CGImage *) [line 27]\n REMOVE_TEMPS(n$7); [line 27]\n APPLY_ABSTRACTION; [line 27]\n " shape="box"]
14 -> 11 ;
13 [label="13: Prune (false branch) \n n$6=*&newImage:struct CGImage * [line 30]\n PRUNE((n$6 == 0), false); [line 30]\n REMOVE_TEMPS(n$6); [line 30]\n APPLY_ABSTRACTION; [line 30]\n " shape="invhouse"]
13 [label="13: Prune (false branch) \n n$6=*&newImage:struct CGImage * [line 27]\n PRUNE((n$6 == 0), false); [line 27]\n REMOVE_TEMPS(n$6); [line 27]\n APPLY_ABSTRACTION; [line 27]\n " shape="invhouse"]
13 -> 11 ;
12 [label="12: Prune (true branch) \n n$6=*&newImage:struct CGImage * [line 30]\n PRUNE((n$6 != 0), true); [line 30]\n REMOVE_TEMPS(n$6); [line 30]\n " shape="invhouse"]
12 [label="12: Prune (true branch) \n n$6=*&newImage:struct CGImage * [line 27]\n PRUNE((n$6 != 0), true); [line 27]\n REMOVE_TEMPS(n$6); [line 27]\n " shape="invhouse"]
12 -> 14 ;
@ -35,28 +31,28 @@ digraph iCFG {
11 -> 10 ;
10 [label="10: Exit __objc_anonymous_block_My_manager_my_mehtod______1 \n " color=yellow style=filled]
10 [label="10: Exit __objc_anonymous_block_My_manager_m______1 \n " color=yellow style=filled]
9 [label="9: Start __objc_anonymous_block_My_manager_my_mehtod______1\nFormals: newImage:struct CGImage * a:int \nLocals: \nCaptured: newImage:struct CGImage * \n DECLARE_LOCALS(&return); [line 29]\n NULLIFY(&a,false); [line 29]\n " color=yellow style=filled]
9 [label="9: Start __objc_anonymous_block_My_manager_m______1\nFormals: newImage:struct CGImage * a:int \nLocals: \nCaptured: newImage:struct CGImage * \n DECLARE_LOCALS(&return); [line 26]\n NULLIFY(&a,false); [line 26]\n " color=yellow style=filled]
9 -> 12 ;
9 -> 13 ;
8 [label="8: Call n$3 \n n$3=*&b:_fn_ (*) [line 32]\n n$4=*&z:int [line 32]\n n$3(n$4:int ) [line 32]\n REMOVE_TEMPS(n$3,n$4); [line 32]\n NULLIFY(&b,false); [line 32]\n " shape="box"]
8 [label="8: Call n$3 \n n$3=*&b:_fn_ (*) [line 29]\n n$4=*&z:int [line 29]\n n$3(n$4:int ) [line 29]\n REMOVE_TEMPS(n$3,n$4); [line 29]\n NULLIFY(&b,false); [line 29]\n " shape="box"]
8 -> 5 ;
8 -> 6 ;
7 [label="7: Call _fun_CGContextRelease \n n$2=*&context:struct CGContext * [line 33]\n _fun_CGContextRelease(n$2:struct CGContext *) [line 33]\n REMOVE_TEMPS(n$2); [line 33]\n NULLIFY(&context,false); [line 33]\n APPLY_ABSTRACTION; [line 33]\n " shape="box"]
7 [label="7: Call _fun_CGContextRelease \n n$2=*&context:struct CGContext * [line 30]\n _fun_CGContextRelease(n$2:struct CGContext *) [line 30]\n REMOVE_TEMPS(n$2); [line 30]\n NULLIFY(&context,false); [line 30]\n APPLY_ABSTRACTION; [line 30]\n " shape="box"]
7 -> 4 ;
6 [label="6: Prune (false branch) \n n$1=*&context:struct CGContext * [line 33]\n PRUNE((n$1 == 0), false); [line 33]\n REMOVE_TEMPS(n$1); [line 33]\n APPLY_ABSTRACTION; [line 33]\n " shape="invhouse"]
6 [label="6: Prune (false branch) \n n$1=*&context:struct CGContext * [line 30]\n PRUNE((n$1 == 0), false); [line 30]\n REMOVE_TEMPS(n$1); [line 30]\n APPLY_ABSTRACTION; [line 30]\n " shape="invhouse"]
6 -> 4 ;
5 [label="5: Prune (true branch) \n n$1=*&context:struct CGContext * [line 33]\n PRUNE((n$1 != 0), true); [line 33]\n REMOVE_TEMPS(n$1); [line 33]\n " shape="invhouse"]
5 [label="5: Prune (true branch) \n n$1=*&context:struct CGContext * [line 30]\n PRUNE((n$1 != 0), true); [line 30]\n REMOVE_TEMPS(n$1); [line 30]\n " shape="invhouse"]
5 -> 7 ;
@ -64,15 +60,15 @@ digraph iCFG {
4 -> 3 ;
3 [label="3: Return Stmt \n NULLIFY(&context,false); [line 34]\n n$0=*&z:int [line 34]\n *&return:int =n$0 [line 34]\n REMOVE_TEMPS(n$0); [line 34]\n NULLIFY(&__objc_anonymous_block_My_manager_my_mehtod______1,true); [line 34]\n NULLIFY(&z,false); [line 34]\n APPLY_ABSTRACTION; [line 34]\n " shape="box"]
3 [label="3: Return Stmt \n NULLIFY(&context,false); [line 31]\n n$0=*&z:int [line 31]\n *&return:int =n$0 [line 31]\n REMOVE_TEMPS(n$0); [line 31]\n NULLIFY(&__objc_anonymous_block_My_manager_m______1,true); [line 31]\n NULLIFY(&z,false); [line 31]\n APPLY_ABSTRACTION; [line 31]\n " shape="box"]
3 -> 2 ;
2 [label="2: Exit My_manager_my_mehtod \n " color=yellow style=filled]
2 [label="2: Exit My_manager_m \n " color=yellow style=filled]
1 [label="1: Start My_manager_my_mehtod\nFormals: self:class My_manager *\nLocals: newImage:struct CGImage * context:struct CGContext * z:int b:_fn_ (*) \n DECLARE_LOCALS(&return,&newImage,&context,&z,&b); [line 22]\n NULLIFY(&b,false); [line 22]\n NULLIFY(&context,false); [line 22]\n NULLIFY(&self,false); [line 22]\n NULLIFY(&z,false); [line 22]\n " color=yellow style=filled]
1 [label="1: Start My_manager_m\nFormals: self:class My_manager *\nLocals: newImage:struct CGImage * context:struct CGContext * z:int b:_fn_ (*) \n DECLARE_LOCALS(&return,&newImage,&context,&z,&b); [line 20]\n NULLIFY(&b,false); [line 20]\n NULLIFY(&context,false); [line 20]\n NULLIFY(&self,false); [line 20]\n NULLIFY(&z,false); [line 20]\n " color=yellow style=filled]
1 -> 19 ;
1 -> 18 ;
}

11
infer/tests/codetoanalyze/objc/frontend/block/block_release.m
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@ -10,8 +10,6 @@
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
int g;
@interface My_manager :NSObject
- (int) my_mehtod;
@ -19,14 +17,13 @@ int g;
@implementation My_manager
- (int) my_mehtod
- (int) m
{
g=7;
void (^b)(int a);
int z=3;
CGContextRef context = CGBitmapContextCreate(NULL,0, 0, 8, 0, 0, 0);
int z = 3;
CGContextRef context = CGBitmapContextCreate(NULL, 0, 0, 8, 0, 0, 0);
CGImageRef newImage = CGBitmapContextCreateImage(context);
b=^(int a){
b = ^(int a) {
if (newImage) CGImageRelease(newImage);
};
b(z);

60
infer/tests/endtoend/objc/BlockReleaseTest.java
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@ -0,0 +1,60 @@
/*
* Copyright (c) 2013 - present Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package endtoend.objc;
import static org.hamcrest.MatcherAssert.assertThat;
import static utils.matchers.ResultContainsExactly.containsExactly;
import com.google.common.collect.ImmutableList;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;
import java.io.IOException;
import utils.DebuggableTemporaryFolder;
import utils.InferException;
import utils.InferResults;
import utils.InferRunner;
public class BlockReleaseTest {
public static final String FILE = "infer/tests/codetoanalyze/objc/frontend/block/block_release.m";
private static ImmutableList<String> inferCmd;
public static final String MEMORY_LEAK = "MEMORY_LEAK";
@ClassRule
public static DebuggableTemporaryFolder folder = new DebuggableTemporaryFolder();
@BeforeClass
public static void runInfer() throws InterruptedException, IOException {
inferCmd = InferRunner.createObjCInferCommand(folder, FILE);
}
@Test
public void whenInferRunsOnMnThenMemoryLeakIsNotFound()
throws InterruptedException, IOException, InferException {
InferResults inferResults = InferRunner.runInferObjC(inferCmd);
String[] procedures = { // no memory leak found
};
assertThat(
"Results should contain the expected memory leak",
inferResults,
containsExactly(
MEMORY_LEAK,
FILE,
procedures
)
);
}
}
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