-
Notifications
You must be signed in to change notification settings - Fork 293
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
2fbc225
commit e497e1b
Showing
3 changed files
with
187 additions
and
77 deletions.
There are no files selected for viewing
168 changes: 168 additions & 0 deletions
168
nullaway/src/test/java/com/uber/nullaway/ArrayTests.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| /* | ||
| * Copyright (c) 2023 Uber Technologies, Inc. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| */ | ||
|
|
||
| package com.uber.nullaway; | ||
|
|
||
| import com.google.errorprone.CompilationTestHelper; | ||
| import java.util.Arrays; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.junit.runners.JUnit4; | ||
|
|
||
| @RunWith(JUnit4.class) | ||
| public class ArrayTests extends NullAwayTestsBase { | ||
| @Test | ||
| public void arrayDeclarationAnnotation() { | ||
| defaultCompilationHelper | ||
| .addSourceLines( | ||
| "Test.java", | ||
| "package com.uber;", | ||
| "import javax.annotation.Nullable;", | ||
| "class Test {", | ||
| " static @Nullable String [] fizz = {\"1\"};", | ||
| " static Object o1 = new Object();", | ||
| " static void foo() {", | ||
| " // BUG: Diagnostic contains: assigning @Nullable expression to @NonNull field", | ||
| " o1 = fizz;", | ||
| " // BUG: Diagnostic contains: dereferenced expression fizz is @Nullable", | ||
| " o1 = fizz.length;", | ||
| " }", | ||
| "}") | ||
| .doTest(); | ||
| } | ||
|
|
||
| @Test | ||
| public void arrayLegacyDeclarationAnnotation() { | ||
| makeHelper() | ||
| .addSourceLines( | ||
| "Test.java", | ||
| "package com.uber;", | ||
| "import javax.annotation.Nullable;", | ||
| "class Test {", | ||
| " static @Nullable String [] fizz = {\"1\"};", | ||
| " static Object o1 = new Object();", | ||
| " static void foo() {", | ||
| " // BUG: Diagnostic contains: assigning @Nullable expression to @NonNull field", | ||
| " o1 = fizz;", | ||
| " // BUG: Diagnostic contains: dereferenced expression fizz is @Nullable", | ||
| " o1 = fizz.length;", | ||
| " }", | ||
| "}") | ||
| .doTest(); | ||
| } | ||
|
|
||
| @Test | ||
| public void typeUseLegacyAnnotationOnArray() { | ||
| makeHelper() | ||
| .addSourceLines( | ||
| "Test.java", | ||
| "package com.uber;", | ||
| "import org.checkerframework.checker.nullness.qual.Nullable;", | ||
| "class Test {", | ||
| " // ok only for backwards compat", | ||
| " @Nullable Object[] foo1 = null;", | ||
| " // ok according to spec", | ||
| " Object @Nullable[] foo2 = null;", | ||
| " // ok, but @Nullable is not applied on top-level of array ", | ||
| " @Nullable Object @Nullable[] foo3 = null;", | ||
| " // ok only for backwards compat", | ||
| " @Nullable Object [][] foo4 = null;", | ||
| " // ok according to spec", | ||
| " Object @Nullable [][] foo5 = null;", | ||
| " // NOT ok; @Nullable applies to first array dimension not the elements or the array ref", | ||
| " Object [] @Nullable [] foo6 = null;", | ||
| "}") | ||
| .doTest(); | ||
| } | ||
|
|
||
| @Test | ||
| public void typeUseAnnotationOnArray() { | ||
| defaultCompilationHelper | ||
| .addSourceLines( | ||
| "Test.java", | ||
| "package com.uber;", | ||
| "import org.checkerframework.checker.nullness.qual.Nullable;", | ||
| "class Test {", | ||
| " // @Nullable is not applied on top-level of array", | ||
| " // BUG: Diagnostic contains: assigning @Nullable expression to @NonNull field", | ||
| " @Nullable Object[] foo1 = null;", | ||
| " // ok according to spec", | ||
| " Object @Nullable[] foo2 = null;", | ||
| " // ok, but @Nullable is not applied on top-level of array ", | ||
| " @Nullable Object @Nullable [] foo3 = null;", | ||
| " // ok only for backwards compat", | ||
| " // @Nullable is not applied on top-level of array", | ||
| " // BUG: Diagnostic contains: assigning @Nullable expression to @NonNull field", | ||
| " @Nullable Object [][] foo4 = null;", | ||
| " // ok according to spec", | ||
| " Object @Nullable [][] foo5 = null;", | ||
| " // @Nullable is not applied on top-level of array", | ||
| " // BUG: Diagnostic contains: assigning @Nullable expression to @NonNull field", | ||
| " Object [] @Nullable [] foo6 = null;", | ||
| "}") | ||
| .doTest(); | ||
| } | ||
|
|
||
| @Test | ||
| public void typeUseAndDeclarationAnnotationOnArray() { | ||
| defaultCompilationHelper | ||
| .addSourceLines( | ||
| "Test.java", | ||
| "package com.uber;", | ||
| "import org.jetbrains.annotations.Nullable;", | ||
| "class Test {", | ||
| " @Nullable Object[] foo1 = null;", | ||
| " Object @Nullable[] foo2 = null;", | ||
| " @Nullable Object @Nullable [] foo3 = null;", | ||
| " @Nullable Object [][] foo4 = null;", | ||
| " Object @Nullable [][] foo5 = null;", | ||
| " // BUG: Diagnostic contains: assigning @Nullable expression to @NonNull field", | ||
| " Object [] @Nullable [] foo6 = null;", | ||
| "}") | ||
| .doTest(); | ||
| } | ||
|
|
||
| @Test | ||
| public void typeUseAndDeclarationLegacyAnnotationOnArray() { | ||
| makeHelper() | ||
| .addSourceLines( | ||
| "Test.java", | ||
| "package com.uber;", | ||
| "import org.jetbrains.annotations.Nullable;", | ||
| "class Test {", | ||
| " @Nullable Object[] foo1 = null;", | ||
| " Object @Nullable[] foo2 = null;", | ||
| " @Nullable Object @Nullable [] foo3 = null;", | ||
| " @Nullable Object [][] foo4 = null;", | ||
| " Object @Nullable [][] foo5 = null;", | ||
| " Object [] @Nullable [] foo6 = null;", | ||
| "}") | ||
| .doTest(); | ||
| } | ||
|
|
||
| private CompilationTestHelper makeHelper() { | ||
| return makeTestHelperWithArgs( | ||
| Arrays.asList( | ||
| "-XepOpt:NullAway:AnnotatedPackages=com.uber", | ||
| "-XepOpt:NullAway:LegacyAnnotationLocations=true")); | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters