Summary: public Translate CXXConstructExpr that are parts of variable initialization. Reviewed By: dulmarod Differential Revision: D2570750 fb-gh-sync-id: 708a457master
Andrzej Kotulski
9 years ago
committed by
facebook-github-bot-1
parent
ae49cacee8
commit
a9bdf2b291
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/*
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* Copyright (c) 2015 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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class X {
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int f;
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public:
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X(int a, int b = 0);
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int div() { return 1 / f; }
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};
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X::X(int a, int b) {
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f = a + b;
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}
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void test() {
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X x1(0);
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X x2(1);
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X x3(0, 1);
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}
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@ -0,0 +1,43 @@
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digraph iCFG {
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11 [label="11: Call _fun_X_X \n _fun_X_X(&x1:class X *,0:int ,0:int ) [line 22]\n " shape="box"]
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11 -> 10 ;
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10 [label="10: Call _fun_X_X \n _fun_X_X(&x2:class X *,1:int ,0:int ) [line 23]\n " shape="box"]
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10 -> 9 ;
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9 [label="9: Call _fun_X_X \n _fun_X_X(&x3:class X *,0:int ,1:int ) [line 24]\n NULLIFY(&x1,false); [line 24]\n NULLIFY(&x2,false); [line 24]\n NULLIFY(&x3,false); [line 24]\n APPLY_ABSTRACTION; [line 24]\n " shape="box"]
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9 -> 8 ;
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8 [label="8: Exit test \n " color=yellow style=filled]
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7 [label="7: Start test\nFormals: \nLocals: x3:class X x2:class X x1:class X \n DECLARE_LOCALS(&return,&x3,&x2,&x1); [line 21]\n " color=yellow style=filled]
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7 -> 11 ;
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6 [label="6: BinaryOperatorStmt: Assign \n n$0=*&this:class X * [line 18]\n n$1=*&a:int [line 18]\n n$2=*&b:int [line 18]\n *n$0.f:int =(n$1 + n$2) [line 18]\n REMOVE_TEMPS(n$0,n$1,n$2); [line 18]\n NULLIFY(&a,false); [line 18]\n NULLIFY(&b,false); [line 18]\n NULLIFY(&this,false); [line 18]\n APPLY_ABSTRACTION; [line 18]\n " shape="box"]
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6 -> 5 ;
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5 [label="5: Exit X_X \n " color=yellow style=filled]
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4 [label="4: Start X_X\nFormals: this:class X * a:int b:int \nLocals: \n DECLARE_LOCALS(&return); [line 17]\n " color=yellow style=filled]
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4 -> 6 ;
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3 [label="3: Return Stmt \n n$0=*&this:class X * [line 14]\n n$1=*n$0.f:int [line 14]\n *&return:int =(1 / n$1) [line 14]\n REMOVE_TEMPS(n$0,n$1); [line 14]\n NULLIFY(&this,false); [line 14]\n APPLY_ABSTRACTION; [line 14]\n " shape="box"]
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3 -> 2 ;
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2 [label="2: Exit X_div \n " color=yellow style=filled]
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1 [label="1: Start X_div\nFormals: this:class X *\nLocals: \n DECLARE_LOCALS(&return); [line 14]\n " color=yellow style=filled]
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1 -> 3 ;
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}
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@ -0,0 +1,89 @@
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/*
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* Copyright (c) 2015 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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package endtoend.cpp;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static utils.matchers.ResultContainsErrorInMethod.contains;
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import static utils.matchers.ResultContainsNoErrorInMethod.doesNotContain;
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import com.google.common.collect.ImmutableList;
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import org.junit.BeforeClass;
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import org.junit.ClassRule;
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import org.junit.Test;
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import java.io.IOException;
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import utils.DebuggableTemporaryFolder;
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import utils.InferException;
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import utils.InferResults;
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import utils.InferRunner;
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public class ConstructorWithBodyTest {
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public static final String FILE =
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"infer/tests/codetoanalyze/cpp/frontend/constructors/constructor_with_body.cpp";
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private static ImmutableList<String> inferCmd;
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public static final String DIVIDE_BY_ZERO = "DIVIDE_BY_ZERO";
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@ClassRule
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public static DebuggableTemporaryFolder folder =
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new DebuggableTemporaryFolder();
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@BeforeClass
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public static void runInfer() throws InterruptedException, IOException {
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inferCmd = InferRunner.createCPPInferCommand(folder, FILE);
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}
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@Test
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public void whenInferRunsOnConstructorWithBodyDiv0ErrorIsFound()
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throws InterruptedException, IOException, InferException {
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InferResults inferResults = InferRunner.runInferCPP(inferCmd);
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String[] procedures = {
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"test_div0",
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"test_div0_default_constructor",
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};
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assertThat(
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"Results should contain null pointer dereference error",
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inferResults,
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contains(
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DIVIDE_BY_ZERO,
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FILE,
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"test_div0"
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)
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);
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assertThat(
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"Results should contain null pointer dereference error",
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inferResults,
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contains(
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DIVIDE_BY_ZERO,
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FILE,
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"test_div0_default_constructor"
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)
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);
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}
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@Test
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public void whenInferRunsOnConstructorWithBodyDiv1ErrorIsNotFound()
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throws InterruptedException, IOException, InferException {
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InferResults inferResults = InferRunner.runInferCPP(inferCmd);
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assertThat(
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"Results should not contain null pointer dereference error",
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inferResults,
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doesNotContain(
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DIVIDE_BY_ZERO,
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FILE,
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"test_div1"
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)
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);
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}
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}
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