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ima02/resources/defects4j-checkout-closure-1f/test/com/google/javascript/rhino/IRTest.java
github-classroom[bot] e42e547e48
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2023-04-25 11:33:41 +00:00

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Java

/*
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* John Lenz
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package com.google.javascript.rhino;
import com.google.common.collect.Lists;
import junit.framework.TestCase;
/**
* @author johnlenz@google.com (John Lenz)
*/
public class IRTest extends TestCase {
public void testEmpty() {
testIR(IR.empty(), "EMPTY\n");
}
public void testFunction() {
testIR(IR.function(IR.name("hi"), IR.paramList(), IR.block()),
"FUNCTION hi\n" +
" NAME hi\n" +
" PARAM_LIST\n" +
" BLOCK\n");
}
public void testParamList() {
testIR(IR.paramList(),
"PARAM_LIST\n");
testIR(IR.paramList(IR.name("a"), IR.name("b")),
"PARAM_LIST\n" +
" NAME a\n" +
" NAME b\n");
testIR(IR.paramList(Lists.newArrayList(IR.name("a"), IR.name("b"))),
"PARAM_LIST\n" +
" NAME a\n" +
" NAME b\n");
}
public void testBlock() {
testIR(IR.block(),
"BLOCK\n");
testIR(IR.block(IR.empty(), IR.empty()),
"BLOCK\n" +
" EMPTY\n" +
" EMPTY\n");
testIR(IR.block(Lists.newArrayList(IR.empty(), IR.empty())),
"BLOCK\n" +
" EMPTY\n" +
" EMPTY\n");
}
public void testScript() {
testIR(IR.script(),
"SCRIPT\n");
testIR(IR.script(IR.empty(), IR.empty()),
"SCRIPT\n" +
" EMPTY\n" +
" EMPTY\n");
testIR(IR.script(Lists.newArrayList(IR.empty(), IR.empty())),
"SCRIPT\n" +
" EMPTY\n" +
" EMPTY\n");
}
public void testScriptThrows() {
boolean caught = false;
try {
IR.script(IR.returnNode());
} catch(IllegalStateException e) {
caught = true;
}
assertTrue("expected exception was not seen", caught);
}
public void testVar() {
testIR(IR.var(IR.name("a")),
"VAR\n" +
" NAME a\n");
testIR(IR.var(IR.name("a"), IR.trueNode()),
"VAR\n" +
" NAME a\n" +
" TRUE\n");
}
public void testReturn() {
testIR(IR.returnNode(),
"RETURN\n");
testIR(IR.returnNode(IR.name("a")),
"RETURN\n" +
" NAME a\n");
}
public void testThrow() {
testIR(IR.throwNode(IR.name("a")),
"THROW\n" +
" NAME a\n");
}
public void testExprResult() {
testIR(IR.exprResult(IR.name("a")),
"EXPR_RESULT\n" +
" NAME a\n");
}
public void testIf() {
testIR(IR.ifNode(IR.name("a"), IR.block()),
"IF\n" +
" NAME a\n" +
" BLOCK\n");
testIR(IR.ifNode(IR.name("a"), IR.block(), IR.block()),
"IF\n" +
" NAME a\n" +
" BLOCK\n" +
" BLOCK\n");
}
public void testIssue727_1() {
testIR(
IR.tryFinally(
IR.block(),
IR.block()),
"TRY\n" +
" BLOCK\n" +
" BLOCK\n" +
" BLOCK\n");
}
public void testIssue727_2() {
testIR(
IR.tryCatch(
IR.block(),
IR.catchNode(
IR.name("e"),
IR.block())),
"TRY\n" +
" BLOCK\n" +
" BLOCK\n" +
" CATCH\n" +
" NAME e\n" +
" BLOCK\n");
}
public void testIssue727_3() {
testIR(
IR.tryCatchFinally(
IR.block(),
IR.catchNode(IR.name("e"), IR.block()),
IR.block()),
"TRY\n" +
" BLOCK\n" +
" BLOCK\n" +
" CATCH\n" +
" NAME e\n" +
" BLOCK\n" +
" BLOCK\n");
}
private void testIR(Node node, String expectedStructure) {
assertEquals(expectedStructure, node.toStringTree());
}
}