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Merge pull request #5850 from apache/delivery
Sync delivery to release180 for 18-rc2
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116 changes: 116 additions & 0 deletions
116
...hcl/test/unit/src/org/netbeans/modules/languages/hcl/grammar/HCLExpressionParserTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.netbeans.modules.languages.hcl.grammar; | ||
|
|
||
| import org.antlr.v4.runtime.CharStreams; | ||
| import org.antlr.v4.runtime.CommonTokenStream; | ||
| import org.junit.Test; | ||
| import static org.junit.Assert.*; | ||
| import org.netbeans.modules.languages.hcl.grammar.HCLExpressionParser.ExpressionContext; | ||
|
|
||
| /** | ||
| * | ||
| * @author lkishalmi | ||
| */ | ||
| public class HCLExpressionParserTest { | ||
|
|
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| public HCLExpressionParserTest() { | ||
| } | ||
|
|
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| @Test | ||
| public void testTerminals() { | ||
| assertEquals("42", parse(" 42 ").exprTerm().literalValue().NUMERIC_LIT().getText()); | ||
| } | ||
|
|
||
| @Test | ||
| public void testCompoundExpr1() { | ||
| ExpressionContext expr = parse("1 + 2 / 3"); | ||
| assertEquals("1", expr.left.getText()); | ||
| assertEquals("+", expr.op.getText()); | ||
| assertEquals("2/3", expr.right.getText()); | ||
| } | ||
|
|
||
| @Test | ||
| public void testCompoundExpr2() { | ||
| ExpressionContext expr = parse("(1 + 2) / 3"); | ||
| assertEquals("(1+2)", expr.left.getText()); | ||
| assertEquals("/", expr.op.getText()); | ||
| assertEquals("3", expr.right.getText()); | ||
|
|
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| ExpressionContext left = expr.left.exprTerm().expression(); | ||
| assertEquals("1", left.left.getText()); | ||
| assertEquals("+", left.op.getText()); | ||
| assertEquals("2", left.right.getText()); | ||
| } | ||
|
|
||
| @Test | ||
| public void testCompoundExpr3() { | ||
| ExpressionContext expr = parse("1 + -2"); | ||
| assertEquals("1", expr.left.getText()); | ||
| assertEquals("+", expr.op.getText()); | ||
| assertEquals("-2", expr.right.getText()); | ||
|
|
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| ExpressionContext right = expr.right; | ||
| assertNull(right.left); | ||
| assertEquals("-", right.op.getText()); | ||
| assertEquals("2", right.right.getText()); | ||
| } | ||
|
|
||
| @Test | ||
| public void testConditionalq() { | ||
| ExpressionContext expr = parse("1 == 2 ? 3 : 4"); | ||
| assertEquals("1==2", expr.exprCond.getText()); | ||
| assertEquals("3", expr.exprTrue.getText()); | ||
| assertEquals("4", expr.exprFalse.getText()); | ||
| } | ||
|
|
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| @Test | ||
| public void testConditional2() { | ||
| ExpressionContext expr = parse("(a <= b) && !c ? 0 : 1"); | ||
| assertEquals("(a<=b)&&!c", expr.exprCond.getText()); | ||
| assertEquals("0", expr.exprTrue.getText()); | ||
| assertEquals("1", expr.exprFalse.getText()); | ||
|
|
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| ExpressionContext cond = expr.exprCond; | ||
| assertEquals("a<=b", cond.left.exprTerm().expression().getText()); | ||
| assertEquals("!", cond.right.op.getText()); | ||
| assertEquals("c", cond.right.right.getText()); | ||
|
|
||
| } | ||
|
|
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| @Test | ||
| public void testConditional3() { | ||
| ExpressionContext expr = parse("a ? b ? 0 : 1 : 2"); | ||
| assertEquals("a", expr.exprCond.getText()); | ||
| assertEquals("b?0:1", expr.exprTrue.getText()); | ||
| assertEquals("2", expr.exprFalse.getText()); | ||
|
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| ExpressionContext exprTrue = expr.exprTrue; | ||
| assertEquals("b", exprTrue.exprCond.getText()); | ||
| assertEquals("0", exprTrue.exprTrue.getText()); | ||
| assertEquals("1", exprTrue.exprFalse.getText()); | ||
|
|
||
| } | ||
|
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| private static HCLExpressionParser.ExpressionContext parse(String expr){ | ||
| HCLLexer lexer = new HCLLexer(CharStreams.fromString(expr)); | ||
| HCLExpressionParser parser = new HCLExpressionParser(new CommonTokenStream(lexer)); | ||
| return parser.expression(); | ||
| } | ||
| } |
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