jdk8-mips64-public/langtools: comparison test/tools/javac/diags/CheckExamples.java

-:13354e1abba7
+:3640b60bd0f6
+/*
+* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* This code is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* 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).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+/*
+* @test
+* @bug 6968063
+* @summary provide examples of code that generate diagnostics
+* @build Example CheckExamples
+* @run main CheckExamples
+*/
+import java.io.*;
+import java.util.*;
+/**
+* Check invariants for a set of examples.
+* -- each example should exactly declare the keys that will be generated when
+*      it is run.
+* -- together, the examples should cover the set of resource keys in the
+*      compiler.properties bundle. A list of exceptions may be given in the
+*      not-yet.txt file. Entries on the not-yet.txt list should not be
+*      covered by examples.
+* When new keys are added to the resource buncle, it is strongly recommended
+* that corresponding new examples be added here, if at all practical, instead
+* of simply and lazily being added to the not-yet.txt list.
+*/
+public class CheckExamples {
+/**
+* Standard entry point.
+*/
+public static void main(String... args) throws Exception {
+new CheckExamples().run();
+}
+/**
+* Run the test.
+*/
+void run() throws Exception {
+Set<Example> examples = getExamples();
+Set<String> notYetList = getNotYetList();
+Set<String> declaredKeys = new TreeSet<String>();
+for (Example e: examples) {
+Set<String> e_decl = e.getDeclaredKeys();
+Set<String> e_actual = e.getActualKeys();
+for (String k: e_decl) {
+if (!e_actual.contains(k))
+error("Example " + e + " declares key " + k + " but does not generate it");
+}
+for (String k: e_actual) {
+if (!e_decl.contains(k))
+error("Example " + e + " generates key " + k + " but does not declare it");
+}
+for (String k: e.getDeclaredKeys()) {
+if (notYetList.contains(k))
+error("Example " + e + " declares key " + k + " which is also on the \"not yet\" list");
+declaredKeys.add(k);
+}
+}
+ResourceBundle b =
+ResourceBundle.getBundle("com.sun.tools.javac.resources.compiler");
+Set<String> resourceKeys = new TreeSet<String>(b.keySet());
+for (String dk: declaredKeys) {
+if (!resourceKeys.contains(dk))
+error("Key " + dk + " is declared in tests but is not a valid key in resource bundle");
+}
+for (String nk: notYetList) {
+if (!resourceKeys.contains(nk))
+error("Key " + nk + " is declared in not-yet list but is not a valid key in resource bundle");
+}
+for (String rk: resourceKeys) {
+if (!declaredKeys.contains(rk) && !notYetList.contains(rk))
+error("Key " + rk + " is declared in resource bundle but is not in tests or not-yet list");
+}
+System.err.println(examples.size() + " examples checked");
+System.err.println(notYetList.size() + " keys on not-yet list");
+Counts declaredCounts = new Counts(declaredKeys);
+Counts resourceCounts = new Counts(resourceKeys);
+List<String> rows = new ArrayList<String>(Arrays.asList(Counts.prefixes));
+rows.add("other");
+rows.add("total");
+System.err.println();
+System.err.println(String.format("%-14s %15s %15s %4s",
+"prefix", "#keys in tests", "#keys in javac", "%"));
+for (String p: rows) {
+int d = declaredCounts.get(p);
+int r = resourceCounts.get(p);
+System.err.print(String.format("%-14s %15d %15d", p, d, r));
+if (r != 0)
+System.err.print(String.format(" %3d%%", (d * 100) / r));
+System.err.println();
+}
+if (errors > 0)
+throw new Exception(errors + " errors occurred.");
+}
+/**
+* Get the complete set of examples to be checked.
+*/
+Set<Example> getExamples() {
+Set<Example> results = new TreeSet<Example>();
+File testSrc = new File(System.getProperty("test.src"));
+File examples = new File(testSrc, "examples");
+for (File f: examples.listFiles()) {
+if (f.isDirectory() || f.isFile() && f.getName().endsWith(".java"))
+results.add(new Example(f));
+}
+return results;
+}
+/**
+* Get the contents of the "not-yet" list.
+*/
+Set<String> getNotYetList() {
+Set<String> results = new TreeSet<String>();
+File testSrc = new File(System.getProperty("test.src"));
+File notYetList = new File(testSrc, "examples.not-yet.txt");
+try {
+String[] lines = read(notYetList).split("[\r\n]");
+for (String line: lines) {
+int hash = line.indexOf("#");
+if (hash != -1)
+line = line.substring(0, hash).trim();
+if (line.matches("[A-Za-z0-9-_.]+"))
+results.add(line);
+}
+} catch (IOException e) {
+throw new Error(e);
+}
+return results;
+}
+/**
+* Read the contents of a file.
+*/
+String read(File f) throws IOException {
+byte[] bytes = new byte[(int) f.length()];
+DataInputStream in = new DataInputStream(new FileInputStream(f));
+try {
+in.readFully(bytes);
+} finally {
+in.close();
+}
+return new String(bytes);
+}
+/**
+* Report an error.
+*/
+void error(String msg) {
+System.err.println("Error: " + msg);
+errors++;
+}
+int errors;
+static class Counts {
+static String[] prefixes = {
+"compiler.err.",
+"compiler.warn.",
+"compiler.note.",
+"compiler.misc."
+};
+Counts(Set<String> keys) {
+nextKey:
+for (String k: keys) {
+for (String p: prefixes) {
+if (k.startsWith(p)) {
+inc(p);
+continue nextKey;
+}
+}
+inc("other");
+}
+table.put("total", keys.size());
+}
+int get(String p) {
+Integer i = table.get(p);
+return (i == null ? 0 : i);
+}
+void inc(String p) {
+Integer i = table.get(p);
+table.put(p, (i == null ? 1 : i + 1));
+}
+Map<String,Integer> table = new HashMap<String,Integer>();
+};
+}

Mercurial > jdk8-mips64-public > langtools / file comparison

comparison: test/tools/javac/diags/CheckExamples.java

test/tools/javac/diags/CheckExamples.java