Allow successful build on Java 9+.
Currently "JdkMath" implements all "Math" methods only on Java 8 (or lower).
diff --git a/commons-math-core/src/test/java/org/apache/commons/math4/core/jdkmath/JdkMathTest.java b/commons-math-core/src/test/java/org/apache/commons/math4/core/jdkmath/JdkMathTest.java
index 659d32f..cf9df11 100644
--- a/commons-math-core/src/test/java/org/apache/commons/math4/core/jdkmath/JdkMathTest.java
+++ b/commons-math-core/src/test/java/org/apache/commons/math4/core/jdkmath/JdkMathTest.java
@@ -32,8 +32,18 @@
/** Separator. */
private static final String LINE_SEP = System.lineSeparator();
+ /**
+ * Drop-in replacement of {@link Math} with {@link JdkMath} is only valid
+ * for Java 8.
+ * Test should be updated when {@code AccurateMath} implements functions
+ * added in Java 9+.
+ */
@Test
public void checkMissingMethods() {
+ final String runtimeVersion = System.getProperty("java.runtime.version");
+ final boolean doTest = runtimeVersion.matches("^1\\.8\\..*");
+ org.junit.Assume.assumeTrue(doTest);
+
final List<String> notFound = compareClassMethods(StrictMath.class,
JdkMath.class);
if (!notFound.isEmpty()) {
