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Close writer after use in ExtractCommandTests

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Update `ExtractCommandTests` so that the writer is closed after the
contents have been written.

See gh-22993
This commit is contained in:
Phillip Webb
2020-08-19 10:25:37 -07:00
parent 0dd38a7264
commit 8722c2c5de
1 changed files with 3 additions and 3 deletions
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6
spring-boot-project/spring-boot-tools/spring-boot-jarmode-layertools/src/test/java/org/springframework/boot/jarmode/layertools/ExtractCommandTests.java
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@@ -100,9 +100,9 @@ class ExtractCommandTests {
@Test
void runWithJarFileContainingNoEntriesFails() throws IOException {
File file = new File(this.temp, "empty.jar");
FileWriter writer = new FileWriter(file);
writer.write("text");
writer.flush();
try (FileWriter writer = new FileWriter(file)) {
writer.write("text");
}
given(this.context.getJarFile()).willReturn(file);
given(this.context.getWorkingDir()).willReturn(this.extract);
assertThatIllegalStateException()