Class SizeGreaterThanOrEqualsZero
- java.lang.Object
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- com.google.errorprone.bugpatterns.BugChecker
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- com.google.errorprone.bugpatterns.SizeGreaterThanOrEqualsZero
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- All Implemented Interfaces:
BugChecker.BinaryTreeMatcher
,Suppressible
,Serializable
public class SizeGreaterThanOrEqualsZero extends BugChecker implements BugChecker.BinaryTreeMatcher
Finds instances where one usesCollection#size() >= 0
orT[].length > 0
. Those comparisons are always true for non-null objects, where the user likely meant to compare size > 0 instead.- Author:
- [email protected] (Nick Glorioso)
- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from class com.google.errorprone.bugpatterns.BugChecker
BugChecker.AnnotatedTypeTreeMatcher, BugChecker.AnnotationTreeMatcher, BugChecker.ArrayAccessTreeMatcher, BugChecker.ArrayTypeTreeMatcher, BugChecker.AssertTreeMatcher, BugChecker.AssignmentTreeMatcher, BugChecker.BinaryTreeMatcher, BugChecker.BlockTreeMatcher, BugChecker.BreakTreeMatcher, BugChecker.CaseTreeMatcher, BugChecker.CatchTreeMatcher, BugChecker.ClassTreeMatcher, BugChecker.CompilationUnitTreeMatcher, BugChecker.CompoundAssignmentTreeMatcher, BugChecker.ConditionalExpressionTreeMatcher, BugChecker.ContinueTreeMatcher, BugChecker.DoWhileLoopTreeMatcher, BugChecker.EmptyStatementTreeMatcher, BugChecker.EnhancedForLoopTreeMatcher, BugChecker.ExpressionStatementTreeMatcher, BugChecker.ForLoopTreeMatcher, BugChecker.IdentifierTreeMatcher, BugChecker.IfTreeMatcher, BugChecker.ImportTreeMatcher, BugChecker.InstanceOfTreeMatcher, BugChecker.IntersectionTypeTreeMatcher, BugChecker.LabeledStatementTreeMatcher, BugChecker.LambdaExpressionTreeMatcher, BugChecker.LiteralTreeMatcher, BugChecker.MemberReferenceTreeMatcher, BugChecker.MemberSelectTreeMatcher, BugChecker.MethodInvocationTreeMatcher, BugChecker.MethodTreeMatcher, BugChecker.ModifiersTreeMatcher, BugChecker.NewArrayTreeMatcher, BugChecker.NewClassTreeMatcher, BugChecker.ParameterizedTypeTreeMatcher, BugChecker.ParenthesizedTreeMatcher, BugChecker.PrimitiveTypeTreeMatcher, BugChecker.ReturnTreeMatcher, BugChecker.SuppressibleTreePathScanner<A extends Object,B extends Object>, BugChecker.SwitchTreeMatcher, BugChecker.SynchronizedTreeMatcher, BugChecker.ThrowTreeMatcher, BugChecker.TryTreeMatcher, BugChecker.TypeCastTreeMatcher, BugChecker.TypeParameterTreeMatcher, BugChecker.UnaryTreeMatcher, BugChecker.UnionTypeTreeMatcher, BugChecker.VariableTreeMatcher, BugChecker.WhileLoopTreeMatcher, BugChecker.WildcardTreeMatcher
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Constructor Summary
Constructors Constructor Description SizeGreaterThanOrEqualsZero()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Description
matchBinary(com.sun.source.tree.BinaryTree tree, VisitorState state)
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Methods inherited from class com.google.errorprone.bugpatterns.BugChecker
allNames, buildDescription, buildDescription, buildDescription, canonicalName, customSuppressionAnnotations, defaultSeverity, describeMatch, describeMatch, describeMatch, describeMatch, describeMatch, describeMatch, disableable, equals, hashCode, isSuppressed, isSuppressed, isSuppressed, isSuppressed, linkUrl, message, supportsSuppressWarnings, suppressedByAnyOf, suppressedRegions
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface com.google.errorprone.matchers.Suppressible
allNames, canonicalName, customSuppressionAnnotations, supportsSuppressWarnings, suppressedByAnyOf
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Method Detail
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matchBinary
public Description matchBinary(com.sun.source.tree.BinaryTree tree, VisitorState state)
- Specified by:
matchBinary
in interfaceBugChecker.BinaryTreeMatcher
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