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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package jdk.nashorn.api.tree.test;
import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import jdk.nashorn.api.tree.Parser;
import jdk.nashorn.api.tree.SimpleTreeVisitorES5_1;
import jdk.nashorn.api.tree.Tree;
import org.testng.Assert;
import org.testng.annotations.Test;
/**
* Test for nashorn Parser API (jdk.nashorn.api.tree.*)
*
* @test
* @run testng jdk.nashorn.api.tree.test.ParseAPITest
*/
public class ParseAPITest {
private static final boolean VERBOSE = Boolean.valueOf(System.getProperty("parserapitest.verbose"));
private static final boolean TEST262 = Boolean.valueOf(System.getProperty("parserapitest.test262"));
private static final String TEST_BASIC_DIR;
private static final String TEST_MAPTESTS_DIR;
private static final String TEST_SANDBOX_DIR;
private static final String TEST_TRUSTED_DIR;
private static final String TEST262_SUITE_DIR;
static {
final String testSrc = System.getProperty("test.src");
if (testSrc != null) {
final String testScriptDir = testSrc + "/../../../../../../script/";
TEST_BASIC_DIR = testScriptDir + "basic";
TEST_MAPTESTS_DIR = testScriptDir + "maptests";
TEST_SANDBOX_DIR = testScriptDir + "sandbox";
TEST_TRUSTED_DIR = testScriptDir + "trusted";
TEST262_SUITE_DIR = testScriptDir + "external/test262/test/suite";
} else {
TEST_BASIC_DIR = System.getProperty("test.basic.dir");
TEST_MAPTESTS_DIR = System.getProperty("test.maptests.dir");
TEST_SANDBOX_DIR = System.getProperty("test.sandbox.dir");
TEST_TRUSTED_DIR = System.getProperty("test.trusted.dir");
TEST262_SUITE_DIR = System.getProperty("test262.suite.dir");
}
}
interface TestFilter {
public boolean exclude(File file, String content);
}
private void log(final String msg) {
org.testng.Reporter.log(msg, true);
}
private static final String[] options = new String[] {
"-scripting", "--const-as-var"
};
@Test
public void parseAllTests() {
if (TEST262) {
parseTestSet(TEST262_SUITE_DIR, new TestFilter() {
@Override
public boolean exclude(final File file, final String content) {
return content.contains("@negative");
}
});
}
parseTestSet(TEST_BASIC_DIR, new TestFilter() {
@Override
public boolean exclude(final File file, final String content) {
return file.getParentFile().getName().equals("es6");
}
});
parseTestSet(TEST_MAPTESTS_DIR, null);
parseTestSet(TEST_SANDBOX_DIR, null);
parseTestSet(TEST_TRUSTED_DIR, null);
}
private void parseTestSet(final String testSet, final TestFilter filter) {
passed = 0;
failed = 0;
skipped = 0;
final File testSetDir = new File(testSet);
if (! testSetDir.isDirectory()) {
log("WARNING: " + testSetDir + " not found or not a directory");
return;
}
log(testSetDir.getAbsolutePath());
parseJSDirectory(testSetDir, filter);
log(testSet + " parse API done!");
log("parse API ok: " + passed);
log("parse API failed: " + failed);
log("parse API skipped: " + skipped);
if (failed != 0) {
Assert.fail(failed + " tests failed to parse in " + testSetDir.getAbsolutePath());
}
}
// number of scripts that parsed fine
private int passed;
// number of scripts resulting in parse failure
private int failed;
// scripts that were skipped - all tests with @negative are
// skipped for now.
private int skipped;
private void parseJSDirectory(final File dir, final TestFilter filter) {
for (final File f : dir.listFiles()) {
if (f.isDirectory()) {
parseJSDirectory(f, filter);
} else if (f.getName().endsWith(".js")) {
parseJSFile(f, filter);
}
}
}
private void parseJSFile(final File file, final TestFilter filter) {
if (VERBOSE) {
log("Begin parsing " + file.getAbsolutePath());
}
try {
final char[] buffer = readFully(file);
final String content = new String(buffer);
boolean excluded = false;
if (filter != null) {
excluded = filter.exclude(file, content);
}
if (excluded) {
if (VERBOSE) {
log("Skipping " + file.getAbsolutePath());
}
skipped++;
return;
}
final Parser parser = Parser.create(options);
final Tree tree = parser.parse(file.getAbsolutePath(), content, null);
tree.accept(new SimpleTreeVisitorES5_1<Void, Void>(), null);
passed++;
} catch (final Throwable exp) {
log("Parse API failed: " + file.getAbsolutePath() + " : " + exp);
//if (VERBOSE) {
exp.printStackTrace(System.out);
//}
failed++;
}
if (VERBOSE) {
log("Done parsing via parser API " + file.getAbsolutePath());
}
}
private static char[] byteToCharArray(final byte[] bytes) {
Charset cs = StandardCharsets.UTF_8;
int start = 0;
// BOM detection.
if (bytes.length > 1 && bytes[0] == (byte) 0xFE && bytes[1] == (byte) 0xFF) {
start = 2;
cs = StandardCharsets.UTF_16BE;
} else if (bytes.length > 1 && bytes[0] == (byte) 0xFF && bytes[1] == (byte) 0xFE) {
start = 2;
cs = StandardCharsets.UTF_16LE;
} else if (bytes.length > 2 && bytes[0] == (byte) 0xEF && bytes[1] == (byte) 0xBB && bytes[2] == (byte) 0xBF) {
start = 3;
cs = StandardCharsets.UTF_8;
} else if (bytes.length > 3 && bytes[0] == (byte) 0xFF && bytes[1] == (byte) 0xFE && bytes[2] == 0 && bytes[3] == 0) {
start = 4;
cs = Charset.forName("UTF-32LE");
} else if (bytes.length > 3 && bytes[0] == 0 && bytes[1] == 0 && bytes[2] == (byte) 0xFE && bytes[3] == (byte) 0xFF) {
start = 4;
cs = Charset.forName("UTF-32BE");
}
return new String(bytes, start, bytes.length - start, cs).toCharArray();
}
private static char[] readFully(final File file) throws IOException {
final byte[] buf = Files.readAllBytes(file.toPath());
return byteToCharArray(buf);
}
}