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@@ -0,0 +1,583 @@
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+;;; test-ob-java.el --- tests for ob-java.el
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+
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+;; Copyright (c) 2020 Ian Martins
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+;; Authors: Ian Martins
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+
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+;; This file is not part of GNU Emacs.
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+
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+;; This program is free software; you can redistribute it and/or modify
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+;; it under the terms of the GNU General Public License as published by
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+;; the Free Software Foundation, either version 3 of the License, or
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+;; (at your option) any later version.
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+
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+;; This program is distributed in the hope that it will be useful,
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+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+;; GNU General Public License for more details.
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+
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+;; You should have received a copy of the GNU General Public License
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+;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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+
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+;;; Code:
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+(require 'org-test)
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+
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+(require 'ob-core)
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+(defvar org-babel-temporary-directory ; from ob-core
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+ (if (boundp 'org-babel-temporary-directory)
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+ org-babel-temporary-directory
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+ (temporary-file-directory)))
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+
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+(org-test-for-executable "java")
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+(org-test-for-executable "javac")
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+(unless (featurep 'ob-java)
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+ (signal 'missing-test-dependency "Support for java code blocks"))
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+
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+; simple tests
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+
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+(ert-deftest ob-java/simple ()
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+ "Hello world program that writes output."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent
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+System.out.print(42);
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-with-bracket ()
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+ "Hello world program that outputs an open square bracket."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent
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+System.out.print(\"[42\");
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+#+end_src"
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+ (should (string= "[42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-with-quote ()
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+ "Hello world program that writes quotes."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent
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+System.out.print(\"\\\"42\\\"\");
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+#+end_src"
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+ (should (string= "\"42\"" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-return-int ()
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+ "Hello world program that returns an int value."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results silent
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+return 42;
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+#+end_src"
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+ (should (eq 42 (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-return-float ()
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+ "Hello world program that returns a float value."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results silent
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+return 42.0;
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+#+end_src"
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+ (should (equal 42.0 (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-return-string ()
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+ "Hello world program that returns a string value."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results silent
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+return \"forty two\";
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+#+end_src"
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+ (should (string= "forty two" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-with-main ()
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+ "Hello world program that defines a main function."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent
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+public static void main(String[] args) {
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+ System.out.print(42);
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-with-two-methods ()
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+ "Hello world program with two methods and no class."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent
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+public static void main(String[] args) {
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+ System.out.print(foo());
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+}
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+public static int foo() {
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+ return 42;
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-with-no-main ()
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+ "Hello world program with no main method. Babel adds a dummy one so it can run without error."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent
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+public static int foo() {
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+ return 42;
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+}
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+#+end_src"
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+ (should (string= "success" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-with-main-args-array ()
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+ "Hello world program that defines a main function with the square brackets after `args'."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent
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+public static void main(String args[]) {
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+ System.out.print(42);
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-with-class ()
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+ "Hello world program that defines a class."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent
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+public class Simple {
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+ public static void main(String[] args) {
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+ System.out.print(42);
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+ }
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-with-class-and-package ()
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+ "Hello world program that defines a class and package."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent
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+package pkg;
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+public class Simple {
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+ public static void main(String[] args) {
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+ System.out.print(42);
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+ }
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-with-class-attr ()
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+ "Hello world program with class header attribute."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent :classname Simple
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+public static void main(String[] args) {
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+ System.out.print(42);
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/simple-with-class-attr-with-package ()
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+ "Hello world program with class attr with package."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent :classname pkg.Simple
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+public static void main(String[] args) {
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+ System.out.print(42);
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+
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+(ert-deftest ob-java/one-arg ()
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+ "Command line arg."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent :cmdargs \"fortytwo\"
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+System.out.print(args[0]);
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+#+end_src"
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+ (should (string= "fortytwo" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/args-quoted-string ()
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+ "Two command line args, first contains a space."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output silent :cmdargs \"\\\"forty two\\\" 42\"
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+System.out.println(args[0]);
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+System.out.println(args[1]);
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+#+end_src"
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+ (should (string= "forty two\n42\n" (org-babel-execute-src-block)))))
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+
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+;; var tests
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+
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+(ert-deftest ob-java/integer-var ()
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+ "Read and write an integer variable."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=42 :results output silent
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+System.out.print(a);
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/var-with-main ()
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+ "Read and write an integer variable, with main function provided."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=42 :results output silent
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+public static void main(String[] args) {
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+ System.out.print(a);
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/var-with-class ()
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+ "Read and write an integer variable, with class provided."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=42 :results output silent
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+public class Main {
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+ public static void main(String[] args) {
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+ System.out.print(a);
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+ }
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/var-with-class-and-package ()
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+ "Read and write an integer variable, with class and package provided."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=42 :results output silent
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+package pkg;
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+public class Main {
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+ public static void main(String[] args) {
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+ System.out.print(a);
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+ }
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/var-with-class-and-hanging-curlies ()
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+ "Read and write an integer variable, with class with hanging curlies."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=42 :results output silent
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+public class Main
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+{
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+ public static void main(String[] args)
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+ {
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+ System.out.print(a);
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+ }
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+}
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/two-vars ()
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+ "Read two integer variables, combine and write them."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=21 b=2 :results output silent
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+System.out.print(a*b);
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+#+end_src"
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+ (should (string= "42" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/string-var ()
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+ "Read and write a string variable."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=\"forty two\" :results output silent
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+System.out.print(String.format(\"%s, len=%d\", a, a.length()));
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+#+end_src"
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+ (should (string= "forty two, len=9" (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/multiline-string-var ()
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+ "Java doesn't support multiline string literals, so this errors."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=\"forty\ntwo\" :results output silent
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+System.out.print(String.format(\"%s, len=%d\", a, a.length()));
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+#+end_src"
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+ (should-error (org-babel-execute-src-block)))
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+ :type 'error)
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+
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+;; return list
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+
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+(ert-deftest ob-java/return-vector-using-list ()
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+ "Return a vector using a list."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results vector silent
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+import java.util.List;
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+import java.util.Arrays;
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+List<List<Integer>> a = Arrays.asList(Arrays.asList(4),
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+ Arrays.asList(2));
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+return a;
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+#+end_src"
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+ (should (equal '((4) (2))
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+ (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/return-vector-using-array ()
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+ "Return a vector using an array."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results vector silent
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+Integer[][] a = {{4}, {2}};
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+return a;
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+#+end_src"
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+ (should (equal '((4) (2))
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+ (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/read-return-list ()
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+ "Read and return a list."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=java_list :results silent
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+import java.util.List;
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+import java.util.Arrays;
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+List<String> b = Arrays.asList(a.get(0).get(0),
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+ a.get(1).get(0));
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+return b;
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+#+end_src
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+
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+#+name: java_list
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+- forty
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+- two"
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+ (should (equal '("forty" "two")
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+ (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/read-list-return-array ()
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+ "Read a list and return an array."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=java_list :results silent
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+String[] b = {a.get(0).get(0), a.get(1).get(0)};
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+return b;
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+#+end_src
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+
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+#+name: java_list
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+- forty
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+- two"
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+ (should (equal '("forty" "two")
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+ (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/read-return-list-with-package ()
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+ "Return a vector."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=java_list :results silent
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+package pkg;
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+import java.util.List;
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+import java.util.Arrays;
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+List<String> b = Arrays.asList(a.get(0).get(0),
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+ a.get(1).get(0));
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+return b;
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+#+end_src
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+
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+#+name: java_list
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+- forty
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+- two"
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+ (should (equal '("forty" "two")
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+ (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/output-list-with-spaces ()
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+ "Return a vector."
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+ (org-test-with-temp-text
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+ "#+begin_src java :results output list raw silent
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+System.out.println(\"forty two\");
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+System.out.println(\"forty two\");
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+#+end_src"
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+ (should (equal "forty two\nforty two\n"
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+ (org-babel-execute-src-block)))))
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+
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+;; list vars
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+
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+(ert-deftest ob-java/list-var ()
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+ "Read and write a list variable."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a='(\"forty\" \"two\") :results silent
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+import java.util.List;
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+List<String> b = a;
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+return b;
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+#+end_src"
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+ (should (equal '("forty" "two")
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+ (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/vector-var ()
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+ "Read and write a vector variable."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a='[\"forty\" \"two\"] :results silent
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+import java.util.List;
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+List<String> b = a;
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+return b;
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+#+end_src"
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+ (should (equal '("forty" "two")
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+ (org-babel-execute-src-block)))))
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+
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+(ert-deftest ob-java/matrix-var ()
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+ "Read and write matrix variable."
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+ (org-test-with-temp-text
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+ "#+begin_src java :var a=java_matrix :results silent
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+import java.util.List;
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+import java.util.Arrays;
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|
+List<List<Integer>> b = Arrays.asList(Arrays.asList(a.get(0).get(0), a.get(1).get(0)),
|
|
|
+ Arrays.asList(a.get(0).get(1), a.get(1).get(1)));
|
|
|
+return b; // transpose
|
|
|
+#+end_src
|
|
|
+
|
|
|
+#+name: java_matrix
|
|
|
+| 2 | 1 |
|
|
|
+| 4 | 2 |"
|
|
|
+ (should (equal '((2 4) (1 2))
|
|
|
+ (org-babel-execute-src-block)))))
|
|
|
+
|
|
|
+(ert-deftest ob-java/matrix-var-with-header ()
|
|
|
+ "Read matrix variable and write it with header."
|
|
|
+ (org-test-with-temp-text
|
|
|
+ "#+begin_src java :var a=java_matrix :results value table silent
|
|
|
+import java.util.List;
|
|
|
+import java.util.Arrays;
|
|
|
+List<List> b = Arrays.asList(Arrays.asList(\"col1\", \"col2\"),
|
|
|
+ null,
|
|
|
+ Arrays.asList(a.get(0).get(0), a.get(1).get(0)),
|
|
|
+ Arrays.asList(a.get(0).get(1), a.get(1).get(1)));
|
|
|
+return b; // transpose
|
|
|
+#+end_src
|
|
|
+
|
|
|
+#+name: java_matrix
|
|
|
+| 2 | 1 |
|
|
|
+| 4 | 2 |"
|
|
|
+ (should (equal '(("col1" "col2") hline (2 4) (1 2))
|
|
|
+ (org-babel-execute-src-block)))))
|
|
|
+
|
|
|
+;; output table
|
|
|
+
|
|
|
+(ert-deftest ob-java/output-table-with-header ()
|
|
|
+ "Write a table that includes a header."
|
|
|
+ (org-test-with-temp-text
|
|
|
+ "#+begin_src java :var a=java_matrix :results output raw table silent
|
|
|
+System.out.println(\"|col1|col2|\");
|
|
|
+System.out.println(\"|-\");
|
|
|
+for (int ii=0; ii<a.size(); ii++) {
|
|
|
+ for (int jj=0; jj<a.get(0).size(); jj++) {
|
|
|
+ System.out.print(\"|\" + a.get(ii).get(jj));
|
|
|
+ }
|
|
|
+ System.out.println(\"\");
|
|
|
+ }
|
|
|
+#+end_src
|
|
|
+
|
|
|
+#+name: java_matrix
|
|
|
+| 2 | 1 |
|
|
|
+| 4 | 2 |"
|
|
|
+ (should (equal "|col1|col2|\n|-\n|2|1\n|4|2\n"
|
|
|
+ (org-babel-execute-src-block)))))
|
|
|
+
|
|
|
+(ert-deftest ob-java/inhomogeneous_table ()
|
|
|
+ "Read and write an inhomogeneous table."
|
|
|
+ (org-test-with-temp-text
|
|
|
+ "#+begin_src java :var a=java_table :results silent
|
|
|
+import java.util.List;
|
|
|
+import java.util.Arrays;
|
|
|
+List<List> b = Arrays.asList(Arrays.asList(a.get(0).get(0),
|
|
|
+ Integer.parseInt(a.get(0).get(1))*2),
|
|
|
+ Arrays.asList(a.get(1).get(0),
|
|
|
+ Integer.parseInt(a.get(1).get(1))*2));
|
|
|
+return b;
|
|
|
+#+end_src
|
|
|
+
|
|
|
+#+name: java_table
|
|
|
+ | string | number |
|
|
|
+ |--------+--------|
|
|
|
+ | forty | 2 |
|
|
|
+ | two | 1 |"
|
|
|
+ (should (equal
|
|
|
+ '(("forty" 4) ("two" 2))
|
|
|
+ (org-babel-execute-src-block)))))
|
|
|
+
|
|
|
+;; imports
|
|
|
+
|
|
|
+(ert-deftest ob-java/import_library ()
|
|
|
+ "Import a standard java library."
|
|
|
+ (org-test-with-temp-text
|
|
|
+ "#+begin_src java :results output silent :imports java.util.Base64
|
|
|
+byte[] encoded = Base64.getEncoder().encode(\"42\".getBytes());
|
|
|
+String decoded = new String(Base64.getDecoder().decode(encoded));
|
|
|
+System.out.print(String.format(\"encoded=%s, decoded=%s\", new String(encoded), decoded));
|
|
|
+#+end_src"
|
|
|
+ (should (string=
|
|
|
+ "encoded=NDI=, decoded=42"
|
|
|
+ (org-babel-execute-src-block)))))
|
|
|
+
|
|
|
+(ert-deftest ob-java/import_library_inline ()
|
|
|
+ "Import a standard java library."
|
|
|
+ (org-test-with-temp-text
|
|
|
+ "#+begin_src java :results output silent
|
|
|
+import java.util.Base64;
|
|
|
+byte[] encoded = Base64.getEncoder().encode(\"42\".getBytes());
|
|
|
+String decoded = new String(Base64.getDecoder().decode(encoded));
|
|
|
+System.out.print(String.format(\"encoded=%s, decoded=%s\", new String(encoded), decoded));
|
|
|
+#+end_src"
|
|
|
+ (should (string=
|
|
|
+ "encoded=NDI=, decoded=42"
|
|
|
+ (org-babel-execute-src-block)))))
|
|
|
+
|
|
|
+;; tangle
|
|
|
+
|
|
|
+(ert-deftest ob-java/tangle ()
|
|
|
+ "Tangle a source block."
|
|
|
+ (org-test-with-temp-text-in-file
|
|
|
+ "#+begin_src java :tangle \"Tangle.java\" :results value :classname Tangle
|
|
|
+return \"tangled\";
|
|
|
+#+end_src"
|
|
|
+ (should
|
|
|
+ (string=
|
|
|
+ "public class Tangle {
|
|
|
+ public static void main(String[] args) {
|
|
|
+ return \"tangled\";
|
|
|
+ }
|
|
|
+}
|
|
|
+"
|
|
|
+ (unwind-protect
|
|
|
+ (progn (org-babel-tangle)
|
|
|
+ (with-temp-buffer
|
|
|
+ (insert-file-contents "Tangle.java")
|
|
|
+ (untabify (point-min) (point-max))
|
|
|
+ (buffer-string)))
|
|
|
+ (delete-file "Tangle.java"))))))
|
|
|
+
|
|
|
+(ert-deftest ob-java/tangle-with-package ()
|
|
|
+ "Tangle a source block."
|
|
|
+ (org-test-with-temp-text-in-file
|
|
|
+ "#+begin_src java :tangle \"tangle/Tangle.java\" :results value :classname tangle.Tangle
|
|
|
+return \"tangled\";
|
|
|
+#+end_src"
|
|
|
+ (should
|
|
|
+ (string=
|
|
|
+ "package tangle;
|
|
|
+
|
|
|
+public class Tangle {
|
|
|
+ public static void main(String[] args) {
|
|
|
+ return \"tangled\";
|
|
|
+ }
|
|
|
+}
|
|
|
+"
|
|
|
+ (unwind-protect
|
|
|
+ (progn
|
|
|
+ (make-directory "tangle")
|
|
|
+ (org-babel-tangle)
|
|
|
+ (with-temp-buffer
|
|
|
+ (insert-file-contents "tangle/Tangle.java")
|
|
|
+ (untabify (point-min) (point-max))
|
|
|
+ (buffer-string)))
|
|
|
+ (delete-file "tangle/Tangle.java")
|
|
|
+ (delete-directory "tangle"))))))
|
|
|
+
|
|
|
+
|
|
|
+;; specify output dir
|
|
|
+
|
|
|
+(ert-deftest ob-java/simple-dir ()
|
|
|
+ "Hello world program that writes output."
|
|
|
+ (org-test-with-temp-text
|
|
|
+ (format "#+begin_src java :results output silent :dir %s
|
|
|
+System.out.print(42);
|
|
|
+#+end_src" org-babel-temporary-directory)
|
|
|
+ (should (string=
|
|
|
+ "42"
|
|
|
+ (unwind-protect
|
|
|
+ (org-babel-execute-src-block)
|
|
|
+ (delete-file (concat (file-name-as-directory org-babel-temporary-directory)
|
|
|
+ "Main.java"))
|
|
|
+ (delete-file (concat (file-name-as-directory org-babel-temporary-directory)
|
|
|
+ "Main.class")))))))
|
|
|
+
|
|
|
+(ert-deftest ob-java/simple-dir-with-package ()
|
|
|
+ "Hello world program that writes output."
|
|
|
+ (org-test-with-temp-text
|
|
|
+ (format "#+begin_src java :results output silent :dir %s
|
|
|
+package pkg;
|
|
|
+
|
|
|
+public class Main {
|
|
|
+ public static void main(String[] args) {
|
|
|
+ System.out.print(42);
|
|
|
+ }
|
|
|
+}
|
|
|
+#+end_src" org-babel-temporary-directory)
|
|
|
+ (should (string=
|
|
|
+ "42"
|
|
|
+ (unwind-protect
|
|
|
+ (org-babel-execute-src-block)
|
|
|
+ (delete-file (concat (file-name-as-directory org-babel-temporary-directory)
|
|
|
+ "pkg/Main.java"))
|
|
|
+ (delete-file (concat (file-name-as-directory org-babel-temporary-directory)
|
|
|
+ "pkg/Main.class"))
|
|
|
+ (delete-directory (concat (file-name-as-directory org-babel-temporary-directory)
|
|
|
+ "pkg")))))))
|
|
|
+
|
|
|
+
|
|
|
+;;; test-ob-java.el ends here
|
Ian Martins