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authoraclement <aclement>2004-10-12 16:24:10 +0000
committeraclement <aclement>2004-10-12 16:24:10 +0000
commit234bea2297cc780d5bf38ebbc4087e938cc3b6e8 (patch)
tree33014f9efe600b0eed5685d0a0054ba4d0771b36 /tests
parent5c996fc559581581e9dde60a6f555aa3ff7cc042 (diff)
downloadaspectj-234bea2297cc780d5bf38ebbc4087e938cc3b6e8.tar.gz
aspectj-234bea2297cc780d5bf38ebbc4087e938cc3b6e8.zip
76030 - cflow optimizations. Part 2 fix - share counters and stacks when we can.
Diffstat (limited to 'tests')
-rw-r--r--tests/cflow/CounterTest01.java11
-rw-r--r--tests/cflow/CounterTest02.java85
-rw-r--r--tests/cflow/CounterTest03.java75
-rw-r--r--tests/cflow/CounterTest04.java76
-rw-r--r--tests/cflow/CounterTest05.java51
-rw-r--r--tests/src/org/aspectj/systemtest/ajc121/Ajc121Tests.java20
-rw-r--r--tests/src/org/aspectj/systemtest/ajc121/ajc121-tests.xml27
7 files changed, 336 insertions, 9 deletions
diff --git a/tests/cflow/CounterTest01.java b/tests/cflow/CounterTest01.java
index 1578ea0f8..0240d6056 100644
--- a/tests/cflow/CounterTest01.java
+++ b/tests/cflow/CounterTest01.java
@@ -4,13 +4,20 @@ import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
+/**
+ * In this testcase we are using cflow() with a pointcut that doesn't include state -
+ * this should be managed by our new CflowCounter rather than a CflowStack.
+ *
+ * Because the two cflow pointcuts are identical (both are 'cflow(execution(* main(..))' it also
+ * means we can share a single counter for both of them !
+ */
public class CounterTest01 {
public static void main(String []argv) {
new CounterTest01().sayMessage();
int ctrs = ReflectionHelper.howManyCflowCounterFields(Cflow1.aspectOf());
- if (ctrs!=2) {
- throw new RuntimeException("Should be two cflow counters, but found: "+ctrs);
+ if (ctrs!=1) {
+ throw new RuntimeException("Should be one cflow counter, but found: "+ctrs);
}
int stacks = ReflectionHelper.howManyCflowStackFields(Cflow1.aspectOf());
if (stacks!=1) {
diff --git a/tests/cflow/CounterTest02.java b/tests/cflow/CounterTest02.java
new file mode 100644
index 000000000..e596d7bfa
--- /dev/null
+++ b/tests/cflow/CounterTest02.java
@@ -0,0 +1,85 @@
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * In this testcase we create a pointcut p1() which uses cflow and then we reference
+ * it in two other anonymous pointcuts attached to advice. The cflow() should be managed
+ * by a counter (as no state is maintained) and the reused pointcut should not mean two
+ * counters are created. One counter should be created and shared.
+ */
+public class CounterTest02 {
+
+ public static void main(String []argv) {
+ new CounterTest02().sayMessage();
+ int ctrs = ReflectionHelper.howManyCflowCounterFields(Cflow1.aspectOf());
+ int stacks = ReflectionHelper.howManyCflowStackFields(Cflow1.aspectOf());
+ if (ctrs!=1)
+ throw new RuntimeException("Should be one cflow counter, but found: "+ctrs);
+ if (stacks!=1)
+ throw new RuntimeException("Should be one cflow stacks, but found: "+stacks);
+ if (Cflow1.stackAdvice!=2)
+ throw new RuntimeException("Expected two piece of stack advice to run: "+Cflow1.stackAdvice);
+ if (Cflow1.counterAdvice!=4)
+ throw new RuntimeException("Expected four pieces of counter advice to run: "+Cflow1.counterAdvice);
+
+ }
+
+ public void sayMessage() {
+ printmsg("Hello "); printmsg("World\n");
+ }
+
+ public void printmsg(String msg) {
+ System.out.print(msg);
+ }
+}
+
+aspect Cflow1 {
+ public static int stackAdvice = 0;
+ public static int counterAdvice = 0;
+
+ // CflowCounter created for this pointcut should be shared below!
+ pointcut p1(): cflow(execution(* main(..)));
+
+ before(): call(* print(..)) && p1() {
+ // Managed by a CflowCounter
+ Cflow1.counterAdvice++;
+ }
+
+ before(): call(* print(..)) && p1() {
+ // Managed by a CflowCounter
+ Cflow1.counterAdvice++;
+ }
+
+ before(Object o): call(* print(..)) && cflow(execution(* main(..)) && args(o)) {
+ // Managed by a CflowStack - since state is exposed
+ Cflow1.stackAdvice++;
+ }
+}
+
+class ReflectionHelper {
+ public static List getCflowfields(Object o,boolean includeCounters,boolean includeStacks) {
+ List res = new ArrayList();
+ Class clazz = o.getClass();
+ Field[] fs = clazz.getDeclaredFields();
+ for (int i = 0; i < fs.length; i++) {
+ Field f = fs[i];
+ if ((f.getType().getName().endsWith("CFlowCounter") && includeCounters) ||
+ (f.getType().getName().endsWith("CFlowStack") && includeStacks)) {
+ res.add(f.getType().getName()+":"+f.getName());
+ }
+ }
+ return res;
+ }
+
+ public static int howManyCflowCounterFields(Object o) {
+ return getCflowfields(o,true,false).size();
+ }
+
+ public static int howManyCflowStackFields(Object o) {
+ return getCflowfields(o,false,true).size();
+ }
+
+}
diff --git a/tests/cflow/CounterTest03.java b/tests/cflow/CounterTest03.java
new file mode 100644
index 000000000..048f2fe86
--- /dev/null
+++ b/tests/cflow/CounterTest03.java
@@ -0,0 +1,75 @@
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * In this test, a cflow() pointcut is named and then reused. It refers to state and so
+ * we must manage it with a CFlowStack - can we share the stacks?
+ */
+public class CounterTest03 {
+
+ public static void main(String []argv) {
+ new CounterTest03().sayMessage();
+ int ctrs = ReflectionHelper.howManyCflowCounterFields(Cflow1.aspectOf());
+ if (ctrs!=0) {
+ throw new RuntimeException("Should be zero cflow counters, but found: "+ctrs);
+ }
+ int stacks = ReflectionHelper.howManyCflowStackFields(Cflow1.aspectOf());
+ if (stacks!=1) {
+ throw new RuntimeException("Should be one cflow stacks, but found: "+stacks);
+ }
+ }
+
+ public void sayMessage() {
+ printmsg("Hello "); printmsg("World\n");
+ }
+
+ public void printmsg(String msg) {
+ System.out.print(msg);
+ }
+}
+
+aspect Cflow1 {
+
+ // CflowCounter created for this pointcut should be shared below!
+ pointcut p1(Object o): cflow(execution(* main(..)) && args(o));
+
+ before(Object o): call(* print(..)) && p1(o) {
+ // Managed by a CflowCounter
+ }
+
+ before(Object o): call(* print(..)) && p1(o) {
+ // Managed by a CflowCounter
+ }
+
+// before(Object o): execution(* print(..)) && cflow(execution(* main(..)) && target(o)) {
+// // Managed by a CflowStack - since state is exposed
+// }
+}
+
+class ReflectionHelper {
+ public static List getCflowfields(Object o,boolean includeCounters,boolean includeStacks) {
+ List res = new ArrayList();
+ Class clazz = o.getClass();
+ Field[] fs = clazz.getDeclaredFields();
+ for (int i = 0; i < fs.length; i++) {
+ Field f = fs[i];
+ if ((f.getType().getName().endsWith("CFlowCounter") && includeCounters) ||
+ (f.getType().getName().endsWith("CFlowStack") && includeStacks)) {
+ res.add(f.getType().getName()+":"+f.getName());
+ }
+ }
+ return res;
+ }
+
+ public static int howManyCflowCounterFields(Object o) {
+ return getCflowfields(o,true,false).size();
+ }
+
+ public static int howManyCflowStackFields(Object o) {
+ return getCflowfields(o,false,true).size();
+ }
+
+}
diff --git a/tests/cflow/CounterTest04.java b/tests/cflow/CounterTest04.java
new file mode 100644
index 000000000..9f20e940b
--- /dev/null
+++ b/tests/cflow/CounterTest04.java
@@ -0,0 +1,76 @@
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * In this test, we have multiple identical cflow() pointcut 'pieces' used in a number of
+ * pointcuts. We are not naming a cflow() and reusing it, we are just duplicating the
+ * pointcut in multiple places - can we share counters?
+ */
+public class CounterTest04 {
+
+ public static void main(String []argv) {
+ new CounterTest04().sayMessage();
+ int ctrs = ReflectionHelper.howManyCflowCounterFields(Cflow1.aspectOf());
+// if (ctrs!=2) {
+// throw new RuntimeException("Should be two cflow counters, but found: "+ctrs);
+// }
+ int stacks = ReflectionHelper.howManyCflowStackFields(Cflow1.aspectOf());
+ if (stacks!=2) {
+ throw new RuntimeException("Should be two cflow stacks, but found: "+stacks);
+ }
+ }
+
+ public void sayMessage() {
+ printmsg("Hello "); printmsg("World\n");
+ }
+
+ public void printmsg(String msg) {
+ System.out.print(msg);
+ }
+}
+
+aspect Cflow1 {
+
+ // CflowCounter created for this pointcut should be shared below!
+ pointcut p1(Object o): cflow(execution(* main(..)) && args(o));
+
+ before(Object o): call(* print(..)) && p1(o) {
+ // Managed by a CflowCounter
+ }
+
+ before(Object o): call(* print(..)) && p1(o) {
+ // Managed by a CflowCounter
+ }
+
+ before(Object o): execution(* print(..)) && cflow(execution(* main(..)) && target(o)) {
+ // Managed by a CflowStack - since state is exposed
+ }
+}
+
+class ReflectionHelper {
+ public static List getCflowfields(Object o,boolean includeCounters,boolean includeStacks) {
+ List res = new ArrayList();
+ Class clazz = o.getClass();
+ Field[] fs = clazz.getDeclaredFields();
+ for (int i = 0; i < fs.length; i++) {
+ Field f = fs[i];
+ if ((f.getType().getName().endsWith("CFlowCounter") && includeCounters) ||
+ (f.getType().getName().endsWith("CFlowStack") && includeStacks)) {
+ res.add(f.getType().getName()+":"+f.getName());
+ }
+ }
+ return res;
+ }
+
+ public static int howManyCflowCounterFields(Object o) {
+ return getCflowfields(o,true,false).size();
+ }
+
+ public static int howManyCflowStackFields(Object o) {
+ return getCflowfields(o,false,true).size();
+ }
+
+}
diff --git a/tests/cflow/CounterTest05.java b/tests/cflow/CounterTest05.java
new file mode 100644
index 000000000..44c4b3ecc
--- /dev/null
+++ b/tests/cflow/CounterTest05.java
@@ -0,0 +1,51 @@
+public class CounterTest05 {
+
+/*
+ * Here we have an abstract pointcut that is used within a cflow. In the two concrete sub-aspects
+ * we make the abstract pointcut concrete. The aim of the test is to ensure we do not share
+ * the cflow counter objects, since the pointcut within the cflow() in each case points at a
+ * different 'entry' point. The count should be 10 when we finish. If it is 8 we have shared
+ * a counter.
+ */
+ public static void main(String []argv) {
+ print();
+ print();
+ below1();
+ System.err.println("ctr="+A.ctr);
+ if (A.ctr!=10)
+ throw new RuntimeException("Counter should be 10 but is "+A.ctr);
+ }
+
+ public static void below1() {
+ print();
+ print();
+ below2();
+ }
+
+ public static void below2() {
+ print();
+ print();
+ }
+
+public static void print() {}
+}
+
+abstract aspect A {
+ public static int ctr = 0;
+
+ abstract pointcut abs();
+
+ pointcut p(): call(* print(..)) && cflow(abs());
+
+ before(): p() {
+ A.ctr++;
+ }
+}
+
+aspect B extends A {
+ pointcut abs(): execution(* main(..)); // ctr increases by 6
+}
+
+aspect C extends A {
+ pointcut abs(): execution(* below1(..)); // ctr increases by 4
+}
diff --git a/tests/src/org/aspectj/systemtest/ajc121/Ajc121Tests.java b/tests/src/org/aspectj/systemtest/ajc121/Ajc121Tests.java
index 82574a339..4e0cca88e 100644
--- a/tests/src/org/aspectj/systemtest/ajc121/Ajc121Tests.java
+++ b/tests/src/org/aspectj/systemtest/ajc121/Ajc121Tests.java
@@ -308,14 +308,30 @@ public class Ajc121Tests extends org.aspectj.testing.XMLBasedAjcTestCase {
public void test057_decSoftWithSuper() {
runTest("declare soft can cause programs with invalid exception behaviour to be generated");
- }
+ }
public void test058_npeOnTJPerror() {
runTest("NPE on thisJoinPoint mistake");
}
public void test059_cflowOptimization_counters() {
- runTest("Optimization of cflow - counters");
+ runTest("Optimization of cflow - counters (1)");
+ }
+
+ public void test060_cflowOptimization_counters() {
+ runTest("Optimization of cflow - shared counters (2)");
+ }
+
+ public void test061_cflowOptimization_counters() {
+ runTest("Optimization of cflow - shared stacks (3)");
+ }
+
+ public void test062_cflowOptimization_counters() {
+ runTest("Optimization of cflow - counters (4)");
+ }
+
+ public void test063_cflowOptimization_countersWithAbstractPcuts() {
+ runTest("Optimization of cflow - counters with abstract pointcuts (5)");
}
} \ No newline at end of file
diff --git a/tests/src/org/aspectj/systemtest/ajc121/ajc121-tests.xml b/tests/src/org/aspectj/systemtest/ajc121/ajc121-tests.xml
index 2d443d55c..a2684804d 100644
--- a/tests/src/org/aspectj/systemtest/ajc121/ajc121-tests.xml
+++ b/tests/src/org/aspectj/systemtest/ajc121/ajc121-tests.xml
@@ -466,10 +466,27 @@
</compile>
</ajc-test>
- <ajc-test
- dir="cflow"
- pr="76030"
- title="Optimization of cflow - counters">
+ <ajc-test dir="cflow" pr="76030" title="Optimization of cflow - counters (1)">
<compile files="CounterTest01.java"/>
<run class="CounterTest01"/>
- </ajc-test> \ No newline at end of file
+ </ajc-test>
+
+ <ajc-test dir="cflow" pr="76030" title="Optimization of cflow - shared counters (2)">
+ <compile files="CounterTest02.java"/>
+ <run class="CounterTest02"/>
+ </ajc-test>
+
+ <ajc-test dir="cflow" pr="76030" title="Optimization of cflow - shared stacks (3)">
+ <compile files="CounterTest03.java"/>
+ <run class="CounterTest03"/>
+ </ajc-test>
+
+ <ajc-test dir="cflow" pr="76030" title="Optimization of cflow - counters (4)">
+ <compile files="CounterTest04.java"/>
+ <run class="CounterTest04"/>
+ </ajc-test>
+
+ <ajc-test dir="cflow" pr="76030" title="Optimization of cflow - counters with abstract pointcuts (5)">
+ <compile files="CounterTest05.java"/>
+ <run class="CounterTest05"/>
+ </ajc-test>