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SOE in stub builder (IDEA-25679 StackOverflowException when parsing DeepStringConcat.java)

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This commit is contained in:
Alexey Kudravtsev
2011-07-14 12:08:02 +04:00
parent e25b4e98a6
commit 203a912f31
5 changed files with 78 additions and 52 deletions
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java/java-tests/testSrc/com/intellij/psi/JavaStubBuilderTest.java
+5 -4
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@@ -26,6 +26,7 @@ import com.intellij.psi.stubs.StubElement;
import com.intellij.testFramework.LightIdeaTestCase;
import com.intellij.testFramework.PlatformTestUtil;
import com.intellij.util.ThrowableRunnable;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.Nullable;
import java.io.File;
@@ -36,7 +37,6 @@ public class JavaStubBuilderTest extends LightIdeaTestCase {
@SuppressWarnings("deprecation")
private static final StubBuilder OLD_BUILDER = new com.intellij.psi.impl.source.JavaFileStubBuilder();
private static final StubBuilder NEW_BUILDER = new JavaLightStubBuilder();
private static final int SOE_TEST_DEPTH = 20000;
@Override
public void setUp() throws Exception {
@@ -330,7 +330,8 @@ public class JavaStubBuilderTest extends LightIdeaTestCase {
final StringBuilder sb = new StringBuilder();
final SecureRandom random = new SecureRandom();
sb.append("class SOE_test {\n BigInteger BIG = new BigInteger(\n");
for (int i = 0; i < SOE_TEST_DEPTH; i++) {
int i;
for (i = 0; i < 100000; i++) {
sb.append(" \"").append(Math.abs(random.nextInt())).append("\" +\n");
}
sb.append(" \"\");\n}");
@@ -349,7 +350,7 @@ public class JavaStubBuilderTest extends LightIdeaTestCase {
" FIELD:PsiFieldStub[BIG:BigInteger=;INITIALIZER_NOT_STORED;]\n" +
" MODIFIER_LIST:PsiModifierListStub[mask=4096]\n",
DebugUtil.stubTreeToString(tree));
System.out.println("SOE depth=" + SOE_TEST_DEPTH + ", time=" + t + "ms");
System.out.println("SOE depth=" + i + ", time=" + t + "ms");
}
public void testPerformance() throws Exception {
@@ -365,7 +366,7 @@ public class JavaStubBuilderTest extends LightIdeaTestCase {
}).cpuBound().assertTiming();
}
private static void doTest(final String source, @Nullable final String tree) {
private static void doTest(@NonNls final String source, @NonNls @Nullable final String tree) {
final PsiJavaFile file = (PsiJavaFile)createLightFile("test.java", source);
final FileASTNode fileNode = file.getNode();
assertNotNull(fileNode);