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test/langtools/tools/javac/versions/Versions.java
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@@ -39,141 +39,193 @@
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
import java.util.List;
import java.util.ArrayList;
import java.util.Arrays;
-
+import java.util.Set;
public class Versions {
- protected JavaCompiler javacompiler;
- protected int failedCases;
+ static JavaCompiler javacompiler = ToolProvider.getSystemJavaCompiler();
+ static int failedCases = 0;
- public Versions() throws IOException {
- javacompiler = ToolProvider.getSystemJavaCompiler();
+ public static void main(String... args) throws IOException {
genSourceFiles();
- failedCases = 0;
+ run();
}
- public static void main(String... args) throws IOException {
- Versions versions = new Versions();
- versions.run();
+ public static final Set<String> retiredSources =
+ Set.of("1.2", "1.3", "1.4", "1.5");
+
+ public static final Set<String> validSources =
+ 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"),
+ SEVEN(true, "51.0", "7"),
+ EIGHT(true, "52.0", "8"),
+ NINE(true, "53.0", "9"),
+ TEN(true, "54.0", "10"),
+ ELEVEN(false, "55.0", "11"),
+ TWELVE(false, "56.0", "12");
+
+ private boolean dotOne;
+ private String classFileVer;
+ private String target;
+
+ private SourceTarget(boolean dotOne, String classFileVer, String target) {
+ this.dotOne = dotOne;
+ this.classFileVer = classFileVer;
+ this.target = target;
+ }
+
+ public static void checksrc(SourceTarget st, String... args) {
+ switch(st) {
+ case SIX:
+ Versions.checksrc16(args);
+ break;
+
+ case SEVEN:
+ Versions.checksrc17(args);
+ break;
+
+ case EIGHT:
+ Versions.checksrc18(args);
+ break;
+
+ case NINE:
+ Versions.checksrc19(args);
+ break;
+
+ case TEN:
+ Versions.checksrc110(args);
+ break;
+
+ case ELEVEN:
+ Versions.checksrc111(args);
+ break;
+
+ case TWELVE:
+ Versions.checksrc112(args);
+ break;
+
+ default:
+ throw new AssertionError();
+ }
+ }
+
+ public boolean dotOne() {
+ return dotOne;
+ }
+
+ public String classFileVer() {
+ return classFileVer;
+ }
+
+ public String target() {
+ return target;
+ }
}
- void run() {
+ static 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 : validSources) {
+ 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];
+
+ SourceTarget.checksrc(st, "-source " + st.target());
+ SourceTarget.checksrc(st, "-source " + st.target(), "-target " + st.target());
+
+ if (st.dotOne()) {
+ SourceTarget.checksrc(st, "-source 1." + st.target());
+ SourceTarget.checksrc(st, "-source 1." + st.target(), "-target 1." + st.target());
+ }
+
+ if (i == sourceTargets.length) {
+ // Can use -target without -source setting only for
+ // most recent target
+ SourceTarget.checksrc(st, "-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 : retiredSources) {
+ fail("-source " + source, "-target " + source, "Base.java");
+ }
if (failedCases > 0) {
System.err.println("failedCases = " + String.valueOf(failedCases));
throw new Error("Test failed");
}
}
- protected void printargs(String fname,String... args) {
+ static void printargs(String fname,String... args) {
System.out.printf("test: %s", fname);
for (String onearg : args) {
System.out.printf(" %s", onearg);
}
System.out.printf("\n", fname);
}
- protected void check_source_target(boolean dotOne, String... args) {
+ static void check_source_target(boolean dotOne, String... args) {
printargs("check_source_target", args);
check_target(dotOne, args[0], args[1], args[2]);
if (dotOne) {
check_target(dotOne, args[0], "1." + args[1], args[2]);
}
}
- protected void check_target(boolean dotOne, String... args) {
+ static void check_target(boolean dotOne, String... args) {
check(args[0], "-source " + args[1], "-target " + args[2]);
if (dotOne) {
check(args[0], "-source " + args[1], "-target 1." + args[2]);
}
}
- protected void check(String major, String... args) {
+ static void check(String major, String... args) {
printargs("check", args);
List<String> jcargs = new ArrayList<>();
jcargs.add("-Xlint:-options");
// add in args conforming to List requrements of JavaCompiler
@@ -195,33 +247,33 @@
} else if (!checkClassFileVersion("Base.class", major)) {
failedCases++;
}
}
- protected void checksrc16(String... args) {
+ static void checksrc16(String... args) {
printargs("checksrc16", args);
int asize = args.length;
String[] newargs = new String[asize + 1];
System.arraycopy(args, 0, newargs, 0, asize);
newargs[asize] = "Base.java";
pass(newargs);
newargs[asize] = "New17.java";
fail(newargs);
}
- protected void checksrc17(String... args) {
+ static void checksrc17(String... args) {
printargs("checksrc17", 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";
fail(newargs);
}
- protected void checksrc18(String... args) {
+ static void checksrc18(String... args) {
printargs("checksrc18", args);
int asize = args.length;
String[] newargs = new String[asize+1];
System.arraycopy(args, 0, newargs,0 , asize);
newargs[asize] = "New17.java";
@@ -230,16 +282,16 @@
pass(newargs);
newargs[asize] = "New110.java";
fail(newargs);
}
- protected void checksrc19(String... args) {
+ static void checksrc19(String... args) {
printargs("checksrc19", args);
checksrc18(args);
}
- protected void checksrc110(String... args) {
+ static void checksrc110(String... args) {
printargs("checksrc110", args);
int asize = args.length;
String[] newargs = new String[asize+1];
System.arraycopy(args, 0, newargs,0 , asize);
newargs[asize] = "New17.java";
@@ -248,21 +300,21 @@
pass(newargs);
newargs[asize] = "New110.java";
pass(newargs);
}
- protected void checksrc111(String... args) {
+ static void checksrc111(String... args) {
printargs("checksrc111", args);
checksrc110(args);
}
- protected void checksrc112(String... args) {
+ static void checksrc112(String... args) {
printargs("checksrc112", args);
checksrc111(args);
}
- protected void pass(String... args) {
+ static void pass(String... args) {
printargs("pass", args);
List<String> jcargs = new ArrayList<String>();
jcargs.add("-Xlint:-options");
@@ -296,11 +348,11 @@
}
}
- protected void fail(String... args) {
+ static void fail(String... args) {
printargs("fail", args);
List<String> jcargs = new ArrayList<String>();
jcargs.add("-Xlint:-options");
@@ -332,11 +384,11 @@
System.err.println("\t file :\t" + filename);
failedCases++;
}
}
- protected boolean compile(String sourceFile, List<String>options) {
+ static boolean compile(String sourceFile, List<String>options) {
JavaCompiler.CompilationTask jctask;
try (StandardJavaFileManager fm = javacompiler.getStandardFileManager(null, null, null)) {
Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(sourceFile);
jctask = javacompiler.getTask(
@@ -356,17 +408,17 @@
} catch (IOException e) {
throw new Error(e);
}
}
- protected void writeSourceFile(String fileName, String body) throws IOException{
+ static void writeSourceFile(String fileName, String body) throws IOException{
try (Writer fw = new FileWriter(fileName)) {
fw.write(body);
}
}
- protected void genSourceFiles() throws IOException{
+ static void genSourceFiles() throws IOException{
/* Create a file that executes with all supported versions. */
writeSourceFile("Base.java","public class Base { }\n");
/*
* Create a file with a new feature in 1.7, not in 1.6 : "<>"
@@ -399,11 +451,11 @@
"} \n"
);
}
- protected boolean checkClassFileVersion
+ static boolean checkClassFileVersion
(String filename,String classVersionNumber) {
ByteBuffer bb = ByteBuffer.allocate(1024);
try (FileChannel fc = new FileInputStream(filename).getChannel()) {
bb.clear();
if (fc.read(bb) < 0)
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