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package compiler.arraycopy;

/**
 * @test
 * @bug 8315082
 * @summary Test that idealization of clone-derived ArrayCopy nodes does not
 *          trigger assertion failures for different combinations of
 *          constant/variable array length (in number of elements) and array
 *          copy length (in words).
 * @run main/othervm -Xbatch -XX:-TieredCompilation
 *                   -XX:CompileOnly=compiler.arraycopy.TestCloneArrayWithDifferentLengthConstness::test*
 *                   compiler.arraycopy.TestCloneArrayWithDifferentLengthConstness
 */

public class TestCloneArrayWithDifferentLengthConstness {

    public static void main(String[] args) {
        for (int i = 0; i < 10_000; i++) {
            testConstantArrayLengthAndConstantArrayCopyLength();
        }
        for (int i = 0; i < 10_000; i++) {
            testVariableArrayLengthAndConstantArrayCopyLength(i % 2 == 0);
        }
        for (int i = 0; i < 10_000; i++) {
            testVariableArrayLengthAndVariableArrayCopyLength(i % 2 == 0);
        }
    }

    static int[] testConstantArrayLengthAndConstantArrayCopyLength() {
        int[] src = new int[3];
        return (int[])src.clone();
    }

    static int[] testVariableArrayLengthAndConstantArrayCopyLength(boolean p) {
        int[] src = new int[p ? 3 : 4];
        return (int[])src.clone();
    }

    static int[] testVariableArrayLengthAndVariableArrayCopyLength(boolean p) {
        int[] src = new int[p ? 3 : 42];
        return (int[])src.clone();
    }
}