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Diffstat (limited to 'codan/org.eclipse.cdt.codan.core.tests/src/org/eclipse/cdt/codan/core/internal/checkers/StatementHasNoEffectCheckerTest.java')
| -rw-r--r-- | codan/org.eclipse.cdt.codan.core.tests/src/org/eclipse/cdt/codan/core/internal/checkers/StatementHasNoEffectCheckerTest.java | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/codan/org.eclipse.cdt.codan.core.tests/src/org/eclipse/cdt/codan/core/internal/checkers/StatementHasNoEffectCheckerTest.java b/codan/org.eclipse.cdt.codan.core.tests/src/org/eclipse/cdt/codan/core/internal/checkers/StatementHasNoEffectCheckerTest.java new file mode 100644 index 00000000000..4859975b9b3 --- /dev/null +++ b/codan/org.eclipse.cdt.codan.core.tests/src/org/eclipse/cdt/codan/core/internal/checkers/StatementHasNoEffectCheckerTest.java @@ -0,0 +1,197 @@ +/******************************************************************************* + * Copyright (c) 2009, 2015 Alena Laskavaia + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * Alena Laskavaia - initial API and implementation + *******************************************************************************/ +package org.eclipse.cdt.codan.core.internal.checkers; + +import java.io.File; + +import org.eclipse.cdt.codan.core.param.IProblemPreference; +import org.eclipse.cdt.codan.core.tests.CheckerTestCase; +import org.eclipse.cdt.codan.internal.checkers.StatementHasNoEffectChecker; +import org.eclipse.core.resources.IMarker; + +/** + * Test for {@see StatementHasNoEffectChecker} class + */ +public class StatementHasNoEffectCheckerTest extends CheckerTestCase { + @Override + public void setUp() throws Exception { + super.setUp(); + enableProblems(StatementHasNoEffectChecker.ER_ID); + } + + // main() { + // int a; + // +a; // error here on line 3 + // } + public void testUnaryExpression() throws Exception { + checkSampleAbove(); + } + + // main() { + // int a,b; + // + // b+a; // error here on line 4 + // } + public void testBinaryExpression() throws Exception { + checkSampleAbove(); + } + + // main() { + // int a,b; + // + // a=b+a; // no error here + // } + public void testNormalAssignment() throws Exception { + checkSampleAbove(); + } + + // main() { + // int a,b; + // + // (a=b); // no errors here + // a+=b; + // a<<=b; + // a-=b; + // a++; + // b--; + // --a; + // ++b; + // a%=2; + // a>>=2; + // } + public void testFalsePositives() throws Exception { + checkSampleAbove(); + } + + // main() { + // int a; + // a; // error here on line 3 + // } + public void testIdExpression() throws Exception { + checkSampleAbove(); + } + + // main() { + // int a=({foo();a;}); // no error here on line 2 + // char *p=({char s[]="Some string";&s[0];}); // no error here on line 3 + // } + public void testGNUExpressionCompoundStmtFalsePositives() throws Exception { + checkSampleAbove(); + } + + // main() { + // int z=({int a=0; +a; a;}) // error here on line 2 + // } + public void testGNUExpressionCompoundStmtInside() throws Exception { + checkSampleAbove(); + } + + // main() { + // int a; + // +a; // error here on line 3 + // } + + // foo() { + // int a; + // + // +a; // error here on line 4 + // } + public void test2FilesUnaryExpression() throws Exception { + /* This test is using two files */ + CharSequence[] code = getContents(2); + File f1 = loadcode(code[0].toString()); + File f2 = loadcode(code[1].toString()); + runOnProject(); + checkErrorLine(f1, 3); + checkErrorLine(f2, 4); + } + + // main() { + // for (a=b;a;a=a->next); + // } + public void testForTestExpression() throws Exception { + checkSampleAbove(); + } + + // void main() { + // bool a; + // class c {}; + // c z; + // (a = z.foo(1)) || (a = z.foo(2)); + // } + public void testLazyEvalHack() throws Exception { + checkSampleAboveCpp(); + } + + // main() { + // A a,b; + // + // b+=a; // no error here on line 4 + // } + public void testOverloadedBinaryExpression() throws Exception { + checkSampleAboveCpp(); + } + + //#define FUNC(a) a + // main() { + // int a; + // FUNC(a); // error by default + // } + public void testInMacro() throws Exception { + IProblemPreference macro = getPreference(StatementHasNoEffectChecker.ER_ID, StatementHasNoEffectChecker.PARAM_MACRO_ID); + macro.setValue(Boolean.TRUE); + checkSampleAbove(); + } + + //#define FUNC(a) a + // main() { + // int x; + // FUNC(x); // error + // } + public void testMessageInMacro() throws Exception { + loadCodeAndRun(getAboveComment()); + IMarker m = checkErrorLine(4); + assertMessageMatch("'FUNC(x)'", m); //$NON-NLS-1$ + } + + //#define FUNC(a) a + // main() { + // int a; + // FUNC(a); // no error if macro exp turned off + // } + public void testInMacroParamOff() throws Exception { + IProblemPreference macro = getPreference(StatementHasNoEffectChecker.ER_ID, StatementHasNoEffectChecker.PARAM_MACRO_ID); + macro.setValue(Boolean.FALSE); + checkSampleAbove(); + } + + // main() { + // int a; + // +a; // error here on line 3 + // } + public void testMessage() throws Exception { + loadCodeAndRun(getAboveComment()); + IMarker m = checkErrorLine(3); + assertMessageMatch("'\\+a'", m); //$NON-NLS-1$ + } + + // class S { + // int operator*(); // may have side effect + // }; + // + // int main() { + // S s; + // *s; + // } + public void testOverloadedOperator_bug399146() throws Exception { + checkSampleAboveCpp(); + } +} |