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test/langtools/tools/javac/versions/Versions.java
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@@ -39,11 +39,12 @@
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
import java.util.List;
import java.util.ArrayList;
import java.util.Arrays;
-
+import java.util.Set;
+import java.util.function.BiConsumer;
public class Versions {
protected JavaCompiler javacompiler;
protected int failedCases;
@@ -57,91 +58,121 @@
public static void main(String... args) throws IOException {
Versions versions = new Versions();
versions.run();
}
+ public static final Set<String> RETIRED_SOURCES =
+ Set.of("1.2", "1.3", "1.4", "1.5");
+
+ public static final Set<String> VALID_SOURCES =
+ Set.of("1.6", "1.7", "1.8", "1.9", "1.10", "11", "12");
+
+ public static final String LATEST_MAJOR_VERSION = "56.0";
+
+ static enum SourceTarget {
+ // Reminder: update switch in checksrc when adding or removing values.
+ SIX(true, "50.0", "6", Versions::checksrc16),
+ SEVEN(true, "51.0", "7", Versions::checksrc17),
+ EIGHT(true, "52.0", "8", Versions::checksrc18),
+ NINE(true, "53.0", "9", Versions::checksrc19),
+ TEN(true, "54.0", "10", Versions::checksrc110),
+ ELEVEN(false, "55.0", "11", Versions::checksrc111),
+ TWELVE(false, "56.0", "12", Versions::checksrc112);
+
+ private final boolean dotOne;
+ private final String classFileVer;
+ private final String target;
+ private final BiConsumer<Versions, String[]> checker;
+
+ private SourceTarget(boolean dotOne, String classFileVer, String target,
+ BiConsumer<Versions, String[]> checker) {
+ this.dotOne = dotOne;
+ this.classFileVer = classFileVer;
+ this.target = target;
+ this.checker = checker;
+ }
+
+ public void checksrc(Versions version, String... args) {
+ checker.accept(version, args);
+ }
+
+ public boolean dotOne() {
+ return dotOne;
+ }
+
+ public String classFileVer() {
+ return classFileVer;
+ }
+
+ public String target() {
+ return target;
+ }
+ }
+
void run() {
String TC = "";
System.out.println("Version.java: Starting");
- String LATEST_MAJOR_VERSION = "56.0";
check(LATEST_MAJOR_VERSION);
- check(LATEST_MAJOR_VERSION, "-source 1.6");
- check(LATEST_MAJOR_VERSION, "-source 1.7");
- check(LATEST_MAJOR_VERSION, "-source 1.8");
- check(LATEST_MAJOR_VERSION, "-source 1.9");
- check(LATEST_MAJOR_VERSION, "-source 1.10");
- check(LATEST_MAJOR_VERSION, "-source 11");
- check(LATEST_MAJOR_VERSION, "-source 12");
-
- check_source_target(true, "50.0", "6", "6");
- check_source_target(true, "51.0", "6", "7");
- check_source_target(true, "51.0", "7", "7");
- check_source_target(true, "52.0", "6", "8");
- check_source_target(true, "52.0", "7", "8");
- check_source_target(true, "52.0", "8", "8");
- check_source_target(true, "53.0", "6", "9");
- check_source_target(true, "53.0", "7", "9");
- check_source_target(true, "53.0", "8", "9");
- check_source_target(true, "53.0", "9", "9");
- check_source_target(true, "54.0", "6", "10");
- check_source_target(true, "54.0", "7", "10");
- check_source_target(true, "54.0", "8", "10");
- check_source_target(true, "54.0", "9", "10");
- check_source_target(true, "54.0", "10", "10");
- check_source_target(false, "55.0", "6", "11");
- check_source_target(false, "55.0", "7", "11");
- check_source_target(false, "55.0", "8", "11");
- check_source_target(false, "55.0", "9", "11");
- check_source_target(false, "55.0", "10", "11");
- check_source_target(false, "55.0", "11", "11");
- check_source_target(false, "56.0", "12", "12");
-
- checksrc16("-source 1.6");
- checksrc16("-source 6");
- checksrc16("-source 1.6", "-target 1.6");
- checksrc16("-source 6", "-target 6");
- checksrc17("-source 1.7");
- checksrc17("-source 7");
- checksrc17("-source 1.7", "-target 1.7");
- checksrc17("-source 7", "-target 7");
- checksrc18("-source 1.8");
- checksrc18("-source 8");
- checksrc18("-source 1.8", "-target 1.8");
- checksrc18("-source 8", "-target 8");
- checksrc19("-source 1.9");
- checksrc19("-source 9");
- checksrc19("-source 1.9", "-target 1.9");
- checksrc19("-source 9", "-target 9");
- checksrc110();
- checksrc110("-source 1.10");
- checksrc110("-source 10");
- checksrc110("-source 1.10", "-target 1.10");
- checksrc110("-source 10", "-target 10");
- checksrc111("-source 11");
- checksrc111("-source 11", "-target 11");
- checksrc112("-source 12");
- checksrc112("-source 12", "-target 12");
- checksrc112("-target 12");
-
- fail("-source 7", "-target 1.6", "Base.java");
- fail("-source 8", "-target 1.6", "Base.java");
- fail("-source 8", "-target 1.7", "Base.java");
- fail("-source 9", "-target 1.7", "Base.java");
- fail("-source 9", "-target 1.8", "Base.java");
- fail("-source 10", "-target 1.7", "Base.java");
- fail("-source 10", "-target 1.8", "Base.java");
- fail("-source 11", "-target 1.9", "Base.java");
- fail("-source 11", "-target 1.10", "Base.java");
- fail("-source 12", "-target 1.10", "Base.java");
- fail("-source 12", "-target 11", "Base.java");
-
- fail("-source 1.5", "-target 1.5", "Base.java");
- fail("-source 1.4", "-target 1.4", "Base.java");
- fail("-source 1.3", "-target 1.3", "Base.java");
- fail("-source 1.2", "-target 1.2", "Base.java");
+ for (String source : VALID_SOURCES) {
+ check(LATEST_MAJOR_VERSION, "-source " + source);
+ }
+
+ // Verify that a -source value less than a -target value is
+ // accepted and that the resulting class files are dependent
+ // on the target setting alone.
+ SourceTarget[] sourceTargets = SourceTarget.values();
+ for (int i = 0; i < sourceTargets.length; i++) {
+ SourceTarget st = sourceTargets[i];
+ String classFileVer = st.classFileVer();
+ String target = st.target();
+ boolean dotOne = st.dotOne();
+ check_source_target(dotOne, classFileVer, target, target);
+ for (int j = i; j > 0; j--) {
+ String source = sourceTargets[j].target();
+ check_source_target(dotOne, classFileVer, source, target);
+ }
+ }
+
+ // Verify acceptance of different combinations of -source N,
+ // -target N
+ for (int i = 0; i < sourceTargets.length; i++) {
+ SourceTarget st = sourceTargets[i];
+
+ st.checksrc(this, "-source " + st.target());
+ st.checksrc(this, "-source " + st.target(), "-target " + st.target());
+
+ if (st.dotOne()) {
+ st.checksrc(this, "-source 1." + st.target());
+ st.checksrc(this, "-source 1." + st.target(), "-target 1." + st.target());
+ }
+
+ if (i == sourceTargets.length) {
+ // Can use -target without -source setting only for
+ // most recent target
+ st.checksrc(this, "-target " + st.target());
+
+ if (!st.classFileVer().equals(LATEST_MAJOR_VERSION)) {
+ throw new RuntimeException(st +
+ "does not have class file version" +
+ LATEST_MAJOR_VERSION);
+ }
+ }
+ }
+
+ // Verify that -source N -target (N-1) is rejected
+ for (int i = 1 /* Skip zeroth value */; i < sourceTargets.length; i++) {
+ fail("-source " + sourceTargets[i].target(),
+ "-target " + sourceTargets[i-1].target(),
+ "Base.java");
+ }
+
+ // Previously supported source/target values
+ for (String source : RETIRED_SOURCES) {
+ fail("-source " + source, "-target " + source, "Base.java");
+ }
if (failedCases > 0) {
System.err.println("failedCases = " + String.valueOf(failedCases));
throw new Error("Test failed");
}
@@ -250,11 +281,21 @@
pass(newargs);
}
protected void checksrc111(String... args) {
printargs("checksrc111", args);
- checksrc110(args);
+ int asize = args.length;
+ String[] newargs = new String[asize+1];
+ System.arraycopy(args, 0, newargs,0 , asize);
+ newargs[asize] = "New17.java";
+ pass(newargs);
+ newargs[asize] = "New18.java";
+ pass(newargs);
+ newargs[asize] = "New110.java";
+ pass(newargs);
+ newargs[asize] = "New111.java";
+ pass(newargs);
}
protected void checksrc112(String... args) {
printargs("checksrc112", args);
checksrc111(args);
@@ -397,10 +438,21 @@
" var tmp = new Thread(() -> { }); \n" +
" } \n" +
"} \n"
);
+ /*
+ * Create a file with a new feature in 11, not in 10 : var for lambda parameters
+ */
+ writeSourceFile("New111.java",
+ "public class New111 { \n" +
+ " static java.util.function.Function<String,String> f = (var x) -> x.substring(0);\n" +
+ " void m(String name) { \n" +
+ " var tmp = new Thread(() -> { }, f.apply(name)); \n" +
+ " } \n" +
+ "} \n"
+ );
}
protected boolean checkClassFileVersion
(String filename,String classVersionNumber) {
ByteBuffer bb = ByteBuffer.allocate(1024);
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