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Merge branch 'master' into Issue1771
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KengoTODA committed Sep 1, 2022
2 parents 80aa7a7 + 06a1eeb commit 98fbc8d
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -12,6 +12,7 @@ Currently the versioning policy of this project follows [Semantic Versioning v2.
- Bump up log4j2 binding to `2.18.0`
- Fixed InvalidInputException in Eclipse while bug reporting ([#2134](https://github.com/spotbugs/spotbugs/issues/2134))
- Fixed false positives `EI_EXPOSE_REP` thrown in case of fields initialized by the `of` or `copyOf` method of a `List`, `Map` or `Set` ([#1771](https://github.com/spotbugs/spotbugs/issues/1771))
- Fixed CFGBuilderException thrown when `dup_x2` is used to swap the reference and wide-value (double, long) in the stack ([#2146](https://github.com/spotbugs/spotbugs/pull/2146))

## 4.7.1 - 2022-06-26
### Fixed
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2 changes: 1 addition & 1 deletion build.gradle
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@@ -1,6 +1,6 @@
plugins {
id "org.sonarqube" version "3.4.0.2513"
id "com.diffplug.spotless" version "6.5.2"
id "com.diffplug.spotless" version "6.10.0"
id "org.gradle.crypto.checksum" version "1.4.0"
id "com.github.spotbugs" version "5.0.10"
id "io.github.gradle-nexus.publish-plugin" version "1.1.0"
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2 changes: 1 addition & 1 deletion docs/locale/ja/LC_MESSAGES/bugDescriptions.po
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Expand Up @@ -541,7 +541,7 @@ msgstr ""

#: ../../generated/bugDescriptionList.inc:524
msgid ""
" <p> This code negatives the return value of a compareTo or compare "
" <p> This code negates the return value of a compareTo or compare "
"method.\n"
"This is a questionable or bad programming practice, since if the return\n"
"value is Integer.MIN_VALUE, negating the return value won't\n"
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2 changes: 1 addition & 1 deletion docs/locale/pt_BR/LC_MESSAGES/bugDescriptions.po
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Expand Up @@ -704,7 +704,7 @@ msgstr ""

#: ../../generated/bugDescriptionList.inc:524
msgid ""
" <p> This code negatives the return value of a compareTo or compare "
" <p> This code negates the return value of a compareTo or compare "
"method.\n"
"This is a questionable or bad programming practice, since if the return\n"
"value is Integer.MIN_VALUE, negating the return value won't\n"
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Expand Up @@ -21,10 +21,14 @@

import static org.junit.Assert.assertTrue;

import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.stream.Collectors;
import java.util.List;

import edu.umd.cs.findbugs.internalAnnotations.SlashedClassName;
import edu.umd.cs.findbugs.test.AnalysisRunner;
Expand Down Expand Up @@ -64,40 +68,36 @@
public abstract class AbstractIntegrationTest {

/**
* Build path if running command line build
* Build prefix directories to search for classes
*/
private static final String BUILD_CLASSES_CLI = "/build/classes/java/main/";

/**
* Build path if running in Eclipse
*/
private static final String BUILD_CLASSES_ECLIPSE = "/classesEclipse/";
private static final List<Path> BUILD_CLASS_SEARCH_PREFIXES = List.of(
// Build path if running command line build
Paths.get("build/classes/java/main"),
Paths.get("build/classes/groovy/main"),
// Build path if running in Eclipse
Paths.get("classesEclipse"));

private BugCollectionBugReporter bugReporter;

private static File getFindbugsTestCases() {
final File f = new File(SystemProperties.getProperty("spotbugsTestCases.home", "../spotbugsTestCases"));
assertTrue("'spotbugsTestCases' directory not found", f.exists());
assertTrue(f.isDirectory());
assertTrue(f.canRead());
private static Path getFindbugsTestCases() {
final Path p = Paths.get(SystemProperties.getProperty("spotbugsTestCases.home", "../spotbugsTestCases"));
assertTrue("'spotbugsTestCases' directory not found", Files.exists(p));
assertTrue(Files.isDirectory(p));
assertTrue(Files.isReadable(p));

return f;
return p;
}

private static File getFindbugsTestCasesFile(final String path) {
File f = new File(getFindbugsTestCases(), path);
if (!f.exists() && path.startsWith(BUILD_CLASSES_CLI)) {
String replaced = path.replace(BUILD_CLASSES_CLI, BUILD_CLASSES_ECLIPSE);
replaced = replaced.replace("../java9/", "");
File f2 = new File(getFindbugsTestCases(), replaced);
if (f2.exists()) {
f = f2;
}
}
assertTrue(f.getAbsolutePath() + " not found", f.exists());
assertTrue(f.getAbsolutePath() + " is not readable", f.canRead());
private static Path getFindbugsTestCasesFile(final String path) {
final Path root = getFindbugsTestCases();
final Path p = BUILD_CLASS_SEARCH_PREFIXES.stream()
.map(prefix -> root.resolve(prefix).resolve(path))
.filter(Files::exists)
.findFirst()
.orElseThrow(() -> new AssertionError(path + " not found"));

return f;
assertTrue(p + " is not readable", Files.isReadable(p));
return p;
}

protected BugCollection getBugCollection() {
Expand All @@ -112,19 +112,21 @@ protected BugCollection getBugCollection() {
protected void performAnalysis(@SlashedClassName final String... analyzeMe) {
AnalysisRunner runner = new AnalysisRunner();

final File lib = getFindbugsTestCasesFile("lib");
for (final File f : lib.listFiles()) {
final String path = f.getPath();
if (f.canRead() && path.endsWith(".jar")) {
runner.addAuxClasspathEntry(f.toPath());
final Path lib = getFindbugsTestCases().resolve("lib");
try (DirectoryStream<Path> ds = Files.newDirectoryStream(lib, "*.jar")) {
for (Path jar : ds) {
if (Files.isReadable(jar)) {
runner.addAuxClasspathEntry(jar);
}
}
} catch (IOException e) {
throw new UncheckedIOException(e);
}

// TODO : Unwire this once we move bug samples to a proper sourceset
Path[] paths = Arrays.stream(analyzeMe)
.map(s -> getFindbugsTestCasesFile(BUILD_CLASSES_CLI + s).toPath())
.collect(Collectors.toList())
.toArray(new Path[analyzeMe.length]);
.map(AbstractIntegrationTest::getFindbugsTestCasesFile)
.toArray(Path[]::new);
bugReporter = runner.run(paths);
}
}
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@@ -0,0 +1,29 @@
package edu.umd.cs.findbugs.ba;

import static edu.umd.cs.findbugs.test.CountMatcher.containsExactly;
import static org.junit.Assert.assertThat;

import org.junit.Test;

import edu.umd.cs.findbugs.AbstractIntegrationTest;
import edu.umd.cs.findbugs.test.matcher.BugInstanceMatcher;
import edu.umd.cs.findbugs.test.matcher.BugInstanceMatcherBuilder;

/**
* @see <a href="https://github.com/spotbugs/spotbugs/issues/1338">GitHub issue</a>
*/
public class Issue1338Test extends AbstractIntegrationTest {

private static final String[] CLASS_LIST = { "../java11/module-info.class", "../java11/Issue1338.class", };

/**
* Test that calling a method call when initializing a try-with-resource variable doesn't result in redundant nullcheck of nonnull value.
*/
@Test
public void testMethodCallInTryWithResource() {
performAnalysis(CLASS_LIST);
BugInstanceMatcher bugTypeMatcher = new BugInstanceMatcherBuilder().bugType("RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE")
.build();
assertThat(getBugCollection(), containsExactly(0, bugTypeMatcher));
}
}
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@@ -0,0 +1,19 @@
package edu.umd.cs.findbugs.ba;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.hasSize;

import edu.umd.cs.findbugs.AbstractIntegrationTest;
import edu.umd.cs.findbugs.SortedBugCollection;
import org.junit.Test;

public class Issue2145Test extends AbstractIntegrationTest {

@Test
public void test() {
performAnalysis("ghIssues/Issue2145.class");
SortedBugCollection bugCollection = (SortedBugCollection) getBugCollection();
assertThat(bugCollection.getErrors(), hasSize(0));
}

}
2 changes: 1 addition & 1 deletion spotbugs/build.gradle
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Expand Up @@ -87,7 +87,7 @@ dependencies {
api 'org.apache.commons:commons-lang3:3.12.0'
api 'org.apache.commons:commons-text:1.9'
api 'org.slf4j:slf4j-api:2.0.0'
implementation 'net.sf.saxon:Saxon-HE:11.3'
implementation 'net.sf.saxon:Saxon-HE:11.4'
logBinding ("org.apache.logging.log4j:log4j-slf4j18-impl:$log4jVersion") {
exclude group: 'org.slf4j'
}
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2 changes: 1 addition & 1 deletion spotbugs/etc/messages.xml
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Expand Up @@ -3252,7 +3252,7 @@ that classfile. See <a href="http://bugs.java.com/bugdatabase/view_bug.do?bug_id
<LongDescription>{1} negates the return value of {2}</LongDescription>
<Details>
<![CDATA[
<p> This code negatives the return value of a compareTo or compare method.
<p> This code negates the return value of a compareTo or compare method.
This is a questionable or bad programming practice, since if the return
value is Integer.MIN_VALUE, negating the return value won't
negate the sign of the result. You can achieve the same intended result
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Expand Up @@ -35,40 +35,7 @@
import org.apache.bcel.classfile.ClassParser;
import org.apache.bcel.classfile.JavaClass;
import org.apache.bcel.classfile.Method;
import org.apache.bcel.generic.ACONST_NULL;
import org.apache.bcel.generic.ALOAD;
import org.apache.bcel.generic.BranchInstruction;
import org.apache.bcel.generic.ClassGen;
import org.apache.bcel.generic.CodeExceptionGen;
import org.apache.bcel.generic.ConstantPoolGen;
import org.apache.bcel.generic.ExceptionThrower;
import org.apache.bcel.generic.GETFIELD;
import org.apache.bcel.generic.GETSTATIC;
import org.apache.bcel.generic.GOTO;
import org.apache.bcel.generic.GotoInstruction;
import org.apache.bcel.generic.ICONST;
import org.apache.bcel.generic.IFNONNULL;
import org.apache.bcel.generic.IFNULL;
import org.apache.bcel.generic.IF_ACMPEQ;
import org.apache.bcel.generic.IF_ACMPNE;
import org.apache.bcel.generic.INSTANCEOF;
import org.apache.bcel.generic.INVOKESTATIC;
import org.apache.bcel.generic.IfInstruction;
import org.apache.bcel.generic.Instruction;
import org.apache.bcel.generic.InstructionHandle;
import org.apache.bcel.generic.InstructionList;
import org.apache.bcel.generic.InstructionTargeter;
import org.apache.bcel.generic.JsrInstruction;
import org.apache.bcel.generic.LDC;
import org.apache.bcel.generic.MONITOREXIT;
import org.apache.bcel.generic.MethodGen;
import org.apache.bcel.generic.NEW;
import org.apache.bcel.generic.NOP;
import org.apache.bcel.generic.POP;
import org.apache.bcel.generic.POP2;
import org.apache.bcel.generic.PUTFIELD;
import org.apache.bcel.generic.PUTSTATIC;
import org.apache.bcel.generic.ReturnInstruction;
import org.apache.bcel.generic.*;

import edu.umd.cs.findbugs.SystemProperties;
import edu.umd.cs.findbugs.ba.type.ExceptionSetFactory;
Expand Down Expand Up @@ -1010,6 +977,7 @@ private boolean isPEI(InstructionHandle handle) throws CFGBuilderException {
if (ins instanceof PUTFIELD && !methodGen.isStatic()) {
// Assume that PUTFIELD on this object is not PEI
int depth = ins.consumeStack(cpg);

for (InstructionHandle prev = handle.getPrev(); prev != null; prev = prev.getPrev()) {
Instruction prevInst = prev.getInstruction();
if (prevInst instanceof BranchInstruction) {
Expand All @@ -1027,11 +995,19 @@ private boolean isPEI(InstructionHandle handle) throws CFGBuilderException {
return true;
}
}
depth = depth - prevInst.produceStack(cpg) + prevInst.consumeStack(cpg);
if (prevInst instanceof DUP_X2 && depth == 4) {
depth = 1;
} else if (prevInst instanceof DUP_X1 && depth == 3) {
depth = 1;
} else {
depth = depth - prevInst.produceStack(cpg) + prevInst.consumeStack(cpg);
}
if (depth < 1) {
throw new CFGBuilderException("Invalid stack at " + prev + " when checking " + handle);
}
if (depth == 1) {
// now we assume that the previous instruction (prevPrev) is the opcode
// that pushes the reference to the target of PUTFIELD
InstructionHandle prevPrev = prev.getPrev();
if (prevPrev != null && prevPrev.getInstruction() instanceof BranchInstruction) {
continue;
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12 changes: 10 additions & 2 deletions spotbugsTestCases/build.gradle
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@@ -1,8 +1,15 @@
plugins {
id 'groovy'
}

sourceSets {
main {
java {
srcDirs = ['src/java', 'src/fakeAnnotations', 'src/fakeLibraries']
}
groovy {
srcDirs = ['src/groovy']
}
}
}

Expand All @@ -20,9 +27,9 @@ dependencies {
implementation "com.google.inject.extensions:guice-assistedinject:${guiceVersion}"
implementation "com.google.inject.extensions:guice-servlet:${guiceVersion}"
implementation 'com.google.truth:truth:1.1.3'
implementation 'joda-time:joda-time:2.10.14'
implementation 'joda-time:joda-time:2.11.1'
api 'net.jcip:jcip-annotations:1.0'
implementation 'org.springframework:spring-core:5.3.21'
implementation 'org.springframework:spring-core:5.3.22'
compileOnly 'javax.annotation:javax.annotation-api:1.3.2'
implementation 'org.checkerframework:checker-qual:3.24.0'

Expand All @@ -31,6 +38,7 @@ dependencies {

implementation project(':spotbugs')
api project(':spotbugs-annotations')
implementation 'org.apache.groovy:groovy-all:4.0.4'
}

tasks.withType(JavaCompile).configureEach {
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8 changes: 8 additions & 0 deletions spotbugsTestCases/src/groovy/ghIssues/Issue2145.groovy
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@@ -0,0 +1,8 @@
package ghIssues

class Issue2145 {
final double field1
Issue2145(double field1) {
this.field1 = field1
}
}
18 changes: 18 additions & 0 deletions spotbugsTestCases/src/java11/Issue1338.java
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@@ -0,0 +1,18 @@
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.security.KeyStore;

/**
* Class to check the issue 1338.
*/
public class Issue1338 {
public static KeyStore loadKeyStore(final Path path) throws Exception {
try (InputStream inputStream = Files.newInputStream(path)) {
// final KeyStore keyStore = KeyStore.getInstance("JKS");
// keyStore.load(inputStream, password.toCharArray());
// return keyStore;
return KeyStore.getInstance("JKS");
}
}
}

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