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-rw-r--r--src/main/java/au/id/zancanaro/javacheck/ShrinkResult.java7
-rw-r--r--src/main/java/au/id/zancanaro/javacheck/junit/Properties.java28
2 files changed, 16 insertions, 19 deletions
diff --git a/src/main/java/au/id/zancanaro/javacheck/ShrinkResult.java b/src/main/java/au/id/zancanaro/javacheck/ShrinkResult.java
index 8776f4e..a28c2a5 100644
--- a/src/main/java/au/id/zancanaro/javacheck/ShrinkResult.java
+++ b/src/main/java/au/id/zancanaro/javacheck/ShrinkResult.java
@@ -1,13 +1,14 @@
package au.id.zancanaro.javacheck;
import java.util.Arrays;
+import java.util.List;
public class ShrinkResult {
- public final Object[] args;
+ public final List<Object> args;
public final Throwable thrown;
- public ShrinkResult(Object[] args, Throwable thrown) {
- this.args = Arrays.copyOf(args, args.length);
+ public ShrinkResult(List<Object> args, Throwable thrown) {
+ this.args = args;
this.thrown = thrown;
}
}
diff --git a/src/main/java/au/id/zancanaro/javacheck/junit/Properties.java b/src/main/java/au/id/zancanaro/javacheck/junit/Properties.java
index ab56374..b0dd2cd 100644
--- a/src/main/java/au/id/zancanaro/javacheck/junit/Properties.java
+++ b/src/main/java/au/id/zancanaro/javacheck/junit/Properties.java
@@ -190,14 +190,10 @@ public class Properties extends BlockJUnit4ClassRunner {
if (method.getParameterCount() == 0) {
runTest(new Object[0]);
} else {
- @SuppressWarnings("unchecked")
- Generator<?>[] generators = (Generator<?>[]) new Generator[method.getParameterCount()];
- int index = 0;
- for (Type type : method.getGenericParameterTypes()) {
- generators[index++] = this.generators.get(type);
- }
- @SuppressWarnings("unchecked")
- Generator<Object[]> generator = Generator.tuple((Generator<Object>[]) generators).map(List::toArray);
+ Generator<?>[] generators = Arrays.stream(method.getGenericParameterTypes())
+ .map(this.generators::get)
+ .toArray(Generator[]::new);
+ Generator<List<Object>> generator = Generator.tuple(generators);
long seed = getSeed(method);
Random random = new Random(seed);
@@ -208,9 +204,9 @@ public class Properties extends BlockJUnit4ClassRunner {
int numTests = property.runs();
for (int i = 0; i < numTests; ++i) {
int size = Math.min(i + 1, maxSize);
- ShrinkTree<Object[]> tree = generator.generate(random, size);
+ ShrinkTree<List<Object>> tree = generator.generate(random, size);
try {
- runTest(tree.getValue());
+ runTest(tree.getValue().toArray());
assumptionsViolated = 0;
} catch (AssumptionViolatedException ex) {
numTests++;
@@ -225,7 +221,7 @@ public class Properties extends BlockJUnit4ClassRunner {
}
}
- private ShrinkResult shrink(ShrinkTree<Object[]> failed, Throwable originalEx) {
+ private ShrinkResult shrink(ShrinkTree<List<Object>> failed, Throwable originalEx) {
// this array is a mutable container so the shutdown handler can see the new version
ShrinkResult[] smallest = new ShrinkResult[]{
new ShrinkResult(failed.getValue(), originalEx)};
@@ -233,18 +229,18 @@ public class Properties extends BlockJUnit4ClassRunner {
Thread shutdownHandler = makeShutdownHandler(smallest, originalEx);
Runtime.getRuntime().addShutdownHook(shutdownHandler);
- Iterator<ShrinkTree<Object[]>> trees = failed.getChildren();
+ Iterator<ShrinkTree<List<Object>>> trees = failed.getChildren();
Set<List<Object>> seenArgs = new HashSet<>();
while (trees.hasNext()) {
- ShrinkTree<Object[]> tree = trees.next();
+ ShrinkTree<List<Object>> tree = trees.next();
if (seenArgs.add(Arrays.asList(tree.getValue()))) {
try {
- runTest(tree.getValue());
+ runTest(tree.getValue().toArray());
} catch (AssumptionViolatedException ex) {
// ignore, because it's not useful
} catch (Throwable ex) {
smallest[0] = new ShrinkResult(tree.getValue(), ex);
- Iterator<ShrinkTree<Object[]>> children = tree.getChildren();
+ Iterator<ShrinkTree<List<Object>>> children = tree.getChildren();
if (children.hasNext()) {
trees = children;
} else {
@@ -261,7 +257,7 @@ public class Properties extends BlockJUnit4ClassRunner {
private Thread makeShutdownHandler(ShrinkResult[] smallest, Throwable originalException) {
return new Thread(() -> {
System.err.println("Signal received while shrinking.\n" +
- "Current best shrink is: " + Arrays.toString(smallest[0].args) + "\n" +
+ "Current best shrink is: " + smallest[0].args + "\n" +
"Shrinking exception: " + smallest[0].thrown + "\n" +
"Originally was: " + originalException);
});