perf_31 - Add testPerfReconcileBigFileWithSyntaxError
diff --git a/org.eclipse.jdt.core.tests.performance/src/org/eclipse/jdt/core/tests/performance/FullSourceWorkspaceModelTests.java b/org.eclipse.jdt.core.tests.performance/src/org/eclipse/jdt/core/tests/performance/FullSourceWorkspaceModelTests.java
index e281158..b3de309 100644
--- a/org.eclipse.jdt.core.tests.performance/src/org/eclipse/jdt/core/tests/performance/FullSourceWorkspaceModelTests.java
+++ b/org.eclipse.jdt.core.tests.performance/src/org/eclipse/jdt/core/tests/performance/FullSourceWorkspaceModelTests.java
@@ -62,7 +62,7 @@
// "testPerfSearchAllTypeNamesAndReconcile",
// };
-// TESTS_PREFIX = "testPerfReconcile";
+// TESTS_PREFIX = "testPerfReconcileBigFileWithSyntaxError";
}
public static Test suite() {
Test suite = buildSuite(testClass());
@@ -604,6 +604,78 @@
}
+/*
+ * Ensures that the performance of reconcile on a big CU when there are syntax errors is acceptable.
+ * (regression test for bug 135083 RangeUtil#isInInterval(...) takes significant amount of time while editing)
+ */
+public void testPerfReconcileBigFileWithSyntaxError() throws JavaModelException {
+ tagAsSummary("Reconcile editor change on big file with syntax error", false); // do NOT put in fingerprint
+
+ // build big file contents
+ String method =
+ "() {\n" +
+ " bar(\n" +
+ " \"public class X <E extends Exception> {\\n\" + \r\n" +
+ " \" void foo(E e) throws E {\\n\" + \r\n" +
+ " \" throw e;\\n\" + \r\n" +
+ " \" }\\n\" + \r\n" +
+ " \" void bar(E e) {\\n\" + \r\n" +
+ " \" try {\\n\" + \r\n" +
+ " \" foo(e);\\n\" + \r\n" +
+ " \" } catch(Exception ex) {\\n\" + \r\n" +
+ " \" System.out.println(\\\"SUCCESS\\\");\\n\" + \r\n" +
+ " \" }\\n\" + \r\n" +
+ " \" }\\n\" + \r\n" +
+ " \" public static void main(String[] args) {\\n\" + \r\n" +
+ " \" new X<Exception>().bar(new Exception());\\n\" + \r\n" +
+ " \" }\\n\" + \r\n" +
+ " \"}\\n\"" +
+ " );\n" +
+ "}\n";
+ StringBuffer bigContents = new StringBuffer();
+ bigContents.append("public class BigCU {\n");
+ int fooIndex = 0;
+ while (fooIndex < 2000) { // add 2000 methods (so that source is close to 1MB)
+ bigContents.append("public void foo");
+ bigContents.append(fooIndex++);
+ bigContents.append(method);
+ }
+ // don't add closing } for class def so as to have a syntax error
+
+ ICompilationUnit workingCopy = null;
+ try {
+ // Setup
+ workingCopy = (ICompilationUnit) JavaCore.create(ResourcesPlugin.getWorkspace().getRoot().getFile(new Path("/BigProject/src/org/eclipse/jdt/core/tests/BigCu.java")));
+ workingCopy.becomeWorkingCopy(null, null);
+
+ // Warm up
+ if (WARMUP_COUNT > 0) {
+ for (int i=0; i<WARMUP_COUNT; i++) {
+ workingCopy.getBuffer().setContents(bigContents.append("a").toString());
+ workingCopy.reconcile(AST.JLS3, false/*no pb detection*/, null/*no owner*/, null/*no progress*/);
+ }
+ }
+
+ // Measures
+ resetCounters();
+ for (int i=0; i<MEASURES_COUNT; i++) {
+ workingCopy.getBuffer().setContents(bigContents.append("a").toString());
+ runGc();
+ startMeasuring();
+ workingCopy.reconcile(AST.JLS3, false/*no pb detection*/, null/*no owner*/, null/*no progress*/);
+ stopMeasuring();
+ }
+
+ // Commit
+ commitMeasurements();
+ assertPerformance();
+
+ } finally {
+ if (workingCopy != null)
+ workingCopy.discardWorkingCopy();
+ }
+}
+
/**
* Ensures that the reconciler does nothing when the source
* to reconcile with is the same as the current contents.
