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Eradicate: model get and remove as nullable for stdlib Map variants

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Reviewed By: jeremydubreil

Differential Revision: D6083471

fbshipit-source-id: 08c133b
master
Anders Papitto 7 years ago committed by Facebook Github Bot
parent d2433476a5
commit a92ba5a2a9
3 changed files with 59 additions and 7 deletions
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24
infer/src/eradicate/modelTables.ml
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@ -55,6 +55,9 @@ let cg = if strict_containers then (n, [o]) else (n, [n])
(* container put *)
let cp = if strict_containers then (n, [o; o]) else (n, [n; n])
(* container remove *)
let cr = if strict_containers then (n, [o]) else (n, [n])
(* nullable getter *)
let ng = (n, [])
@ -229,7 +232,28 @@ let annotated_list_nullable =
; (ca, "java.util.ArrayList.add(java.lang.Object):boolean")
; (ca, "java.util.List.add(java.lang.Object):boolean")
; (cg, "java.util.Map.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.Map.remove(java.lang.Object):java.lang.Object")
; (cp, "java.util.Map.put(java.lang.Object,java.lang.Object):java.lang.Object")
; (cg, "java.util.HashMap.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.HashMap.remove(java.lang.Object):java.lang.Object")
; (cg, "java.util.concurrent.ConcurrentHashMap.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.concurrent.ConcurrentHashMap.remove(java.lang.Object):java.lang.Object")
; (cg, "java.util.AbstractMap.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.AbstractMap.remove(java.lang.Object):java.lang.Object")
; (cg, "java.util.concurrent.ConcurrentSkipListMap.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.concurrent.ConcurrentSkipListMap.remove(java.lang.Object):java.lang.Object")
; (cg, "java.util.EnumMap.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.EnumMap.remove(java.lang.Object):java.lang.Object")
; (cg, "java.util.Hashtable.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.Hashtable.remove(java.lang.Object):java.lang.Object")
; (cg, "java.util.IdentityHashMap.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.IdentityHashMap.remove(java.lang.Object):java.lang.Object")
; (cg, "java.util.LinkedHashMap.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.LinkedHashMap.remove(java.lang.Object):java.lang.Object")
; (cg, "java.util.TreeMap.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.TreeMap.remove(java.lang.Object):java.lang.Object")
; (cg, "java.util.WeakHashMap.get(java.lang.Object):java.lang.Object")
; (cr, "java.util.WeakHashMap.remove(java.lang.Object):java.lang.Object")
; ( (n, [o])
, "javax.lang.model.element.Element.getAnnotation(java.lang.Class):java.lang.annotation.Annotation"
)

22
infer/tests/codetoanalyze/java/eradicate/NullMethodCall.java
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@ -15,6 +15,9 @@ import java.lang.System;
import javax.annotation.Nullable;
import com.facebook.infer.annotation.Assertions;
import java.util.Map;
import java.util.HashMap;
import java.util.concurrent.ConcurrentHashMap;
public class NullMethodCall {
@ -258,4 +261,23 @@ public class NullMethodCall {
int n = s.length();
}
}
public void testMapGetBad
(Map<String, String> m,
HashMap<String, String> hm,
ConcurrentHashMap<String, String> chm) {
m.get("foo").toString();
hm.get("foo").toString();
chm.get("foo").toString();
}
public void testMapRemoveBad
(Map<String, String> m,
HashMap<String, String> hm,
ConcurrentHashMap<String, String> chm) {
m.remove("foo").toString();
hm.remove("foo").toString();
chm.remove("foo").toString();
}
}

20
infer/tests/codetoanalyze/java/eradicate/issues.exp
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@ -37,13 +37,19 @@ codetoanalyze/java/eradicate/NullFieldAccess.java, int NullFieldAccess.arrayLeng
codetoanalyze/java/eradicate/NullFieldAccess.java, int NullFieldAccess.useInterface(NullFieldAccess$I), 2, ERADICATE_NULL_FIELD_ACCESS, [origin,Object `c` could be null when accessing field `NullFieldAccess$C.n`. (Origin: field NullFieldAccess$I.c at line 52)]
codetoanalyze/java/eradicate/NullFieldAccess.java, int NullFieldAccess.useX(), 2, ERADICATE_NULL_FIELD_ACCESS, [origin,Object `c` could be null when accessing field `NullFieldAccess$C.n`. (Origin: field NullFieldAccess.x at line 37)]
codetoanalyze/java/eradicate/NullFieldAccess.java, int NullFieldAccess.useZ(), 2, ERADICATE_NULL_FIELD_ACCESS, [origin,Object `c` could be null when accessing field `NullFieldAccess$C.n`. (Origin: field NullFieldAccess.z at line 47)]
codetoanalyze/java/eradicate/NullMethodCall.java, int NullMethodCall$Inner.outerField(), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: field NullMethodCall.fld at line 71)]
codetoanalyze/java/eradicate/NullMethodCall.java, int NullMethodCall$Inner.outerPrivateField(), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: field NullMethodCall.pfld at line 82)]
codetoanalyze/java/eradicate/NullMethodCall.java, int NullMethodCall.testSystemGetenvBad(), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `envValue` in the call to `length()` could be null. (Origin: call to getenv(...) modelled in modelTables.ml at line 243)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.callOnNull(), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: null constant at line 22)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testExceptionPerInstruction(int), 6, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: null constant at line 183)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testFieldAssignmentIfThenElse(String), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: null constant at line 174)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testSystemGetPropertyReturn(), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: call to getProperty(...) modelled in modelTables.ml at line 238)]
codetoanalyze/java/eradicate/NullMethodCall.java, int NullMethodCall$Inner.outerField(), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: field NullMethodCall.fld at line 74)]
codetoanalyze/java/eradicate/NullMethodCall.java, int NullMethodCall$Inner.outerPrivateField(), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: field NullMethodCall.pfld at line 85)]
codetoanalyze/java/eradicate/NullMethodCall.java, int NullMethodCall.testSystemGetenvBad(), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `envValue` in the call to `length()` could be null. (Origin: call to getenv(...) modelled in modelTables.ml at line 246)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.callOnNull(), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: null constant at line 25)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testExceptionPerInstruction(int), 6, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: null constant at line 186)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testFieldAssignmentIfThenElse(String), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: null constant at line 177)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testMapGetBad(Map,HashMap,ConcurrentHashMap), 4, ERADICATE_NULL_METHOD_CALL, [origin,The value of `m.get(...)` in the call to `toString()` could be null. (Origin: call to get(...) modelled in modelTables.ml at line 269)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testMapGetBad(Map,HashMap,ConcurrentHashMap), 5, ERADICATE_NULL_METHOD_CALL, [origin,The value of `hm.get(...)` in the call to `toString()` could be null. (Origin: call to get(...) modelled in modelTables.ml at line 270)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testMapGetBad(Map,HashMap,ConcurrentHashMap), 6, ERADICATE_NULL_METHOD_CALL, [origin,The value of `chm.get(...)` in the call to `toString()` could be null. (Origin: call to get(...) modelled in modelTables.ml at line 271)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testMapRemoveBad(Map,HashMap,ConcurrentHashMap), 4, ERADICATE_NULL_METHOD_CALL, [origin,The value of `m.remove(...)` in the call to `toString()` could be null. (Origin: call to remove(...) modelled in modelTables.ml at line 278)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testMapRemoveBad(Map,HashMap,ConcurrentHashMap), 5, ERADICATE_NULL_METHOD_CALL, [origin,The value of `hm.remove(...)` in the call to `toString()` could be null. (Origin: call to remove(...) modelled in modelTables.ml at line 279)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testMapRemoveBad(Map,HashMap,ConcurrentHashMap), 6, ERADICATE_NULL_METHOD_CALL, [origin,The value of `chm.remove(...)` in the call to `toString()` could be null. (Origin: call to remove(...) modelled in modelTables.ml at line 280)]
codetoanalyze/java/eradicate/NullMethodCall.java, void NullMethodCall.testSystemGetPropertyReturn(), 2, ERADICATE_NULL_METHOD_CALL, [origin,The value of `s` in the call to `length()` could be null. (Origin: call to getProperty(...) modelled in modelTables.ml at line 241)]
codetoanalyze/java/eradicate/ParameterNotNullable.java, ParameterNotNullable$ConstructorCall.<init>(ParameterNotNullable,int), 1, ERADICATE_PARAMETER_NOT_NULLABLE, [origin,`ParameterNotNullable$ConstructorCall(...)` needs a non-null value in parameter 2 but argument `null` can be null. (Origin: null constant at line 102)]
codetoanalyze/java/eradicate/ParameterNotNullable.java, String ParameterNotNullable.testSystemGetPropertyArgument(), 1, ERADICATE_PARAMETER_NOT_NULLABLE, [origin,`getProperty(...)` needs a non-null value in parameter 1 but argument `null` can be null. (Origin: null constant at line 71)]
codetoanalyze/java/eradicate/ParameterNotNullable.java, String ParameterNotNullable.testSystemGetenvBad(), 1, ERADICATE_PARAMETER_NOT_NULLABLE, [origin,`getenv(...)` needs a non-null value in parameter 1 but argument `null` can be null. (Origin: null constant at line 76)]

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