TranProgrammingLanguage/src/ParserTests.java at main · ItsJacob210/TranProgrammingLanguage · GitHub

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import AST.*;

import org.junit.jupiter.api.Assertions;

import org.junit.jupiter.api.Test;

public class ParserTests {

private TranNode LexAndParse(String input, int tokenCount) throws Exception {

var l = new Lexer(input);

var tokens = l.Lex();

Assertions.assertEquals(tokenCount, tokens.size());

var tran = new TranNode();

var p = new Parser(tran, tokens);

p.Tran();

return tran;

}

@Test

public void testInterface() throws Exception {

var t = LexAndParse("interface someName\r\n\tupdateClock()\r\n\tsquare() : number s\n", 16);

Assertions.assertEquals(1, t.Interfaces.size());

Assertions.assertEquals(2, t.Interfaces.getFirst().methods.size());

}

@Test

public void testClassWithOneMethod() throws Exception {

var t = LexAndParse("class Tran\r\n\thelloWorld()\r\n\t\tx = 1 + 1\n", 16);

Assertions.assertEquals(1, t.Classes.size());

Assertions.assertEquals(1, t.Classes.getFirst().methods.size());

Assertions.assertEquals(1, t.Classes.getFirst().methods.getFirst().statements.size());

}

@Test

public void testClassWithMultipleMembers() throws Exception {

var t = LexAndParse("class Tran\n" +

"\tnumber w\n" +

"\tstring x\n" +

"\tboolean y\n" +

"\tcharacter z\n", 17);

Assertions.assertEquals(1, t.Classes.size());

Assertions.assertEquals(4, t.Classes.getFirst().members.size());

var m = t.Classes.getFirst().members;

Assertions.assertEquals("number", m.getFirst().declaration.type);

Assertions.assertEquals("w", m.getFirst().declaration.name);

Assertions.assertEquals("string", m.get(1).declaration.type);

Assertions.assertEquals("x", m.get(1).declaration.name);

Assertions.assertEquals("boolean", m.get(2).declaration.type);

Assertions.assertEquals("y", m.get(2).declaration.name);

Assertions.assertEquals("character", m.get(3).declaration.type);

Assertions.assertEquals("z", m.get(3).declaration.name);

}

@Test

public void testClassWithMethodsAndMembers() throws Exception {

var t = LexAndParse("class Tran\n" +

"\tnumber w\n" +

"\tstring x\n" +

"\tboolean y\n" +

"\tcharacter z\n" +

"\thelloWorld()\n" +

"\t\tx = 1 + 1\n"

, 28);

Assertions.assertEquals(1, t.Classes.size());

var m = t.Classes.getFirst().members;

Assertions.assertEquals(4, t.Classes.getFirst().members.size()); // scramble test order to break the "duplicate code" warning

Assertions.assertEquals("boolean", m.get(2).declaration.type);

Assertions.assertEquals("y", m.get(2).declaration.name);

Assertions.assertEquals("character", m.get(3).declaration.type);

Assertions.assertEquals("z", m.get(3).declaration.name);

Assertions.assertEquals("string", m.get(1).declaration.type);

Assertions.assertEquals("x", m.get(1).declaration.name);

Assertions.assertEquals("number", m.getFirst().declaration.type);

Assertions.assertEquals("w", m.getFirst().declaration.name);

Assertions.assertEquals(1, t.Classes.getFirst().methods.size());

Assertions.assertEquals(1, t.Classes.getFirst().methods.getFirst().statements.size());

}

@Test

public void testClassIf() throws Exception {

var t = LexAndParse("class Tran\n" +

"\thelloWorld()\n" +

"\t\tif n>100\n" +

"\t\t\tkeepGoing = false\n"

, 20);

Assertions.assertEquals(1, t.Classes.size());

var myClass = t.Classes.getFirst();

Assertions.assertEquals(1, myClass.methods.size());

var myMethod = myClass.methods.getFirst();

Assertions.assertEquals(1, myMethod.statements.size());

Assertions.assertEquals("AST.IfNode", myMethod.statements.getFirst().getClass().getName());

Assertions.assertTrue(((IfNode)(myMethod.statements.getFirst())).elseStatement.isEmpty());

}

@Test

public void testClassIfElse() throws Exception {

var t = LexAndParse("class Tran\n" +

"\thelloWorld()\n" +

"\t\tif n>100\n" +

"\t\t\tkeepGoing = false\n" +

"\t\telse\n" +

"\t\t\tkeepGoing = true\n"

, 28);

Assertions.assertEquals(1, t.Classes.size());

var myClass = t.Classes.getFirst();

Assertions.assertEquals(1, myClass.methods.size());

var myMethod = myClass.methods.getFirst();

Assertions.assertEquals(1, myMethod.statements.size());

Assertions.assertEquals("AST.IfNode", myMethod.statements.getFirst().getClass().getName());

Assertions.assertTrue(((IfNode)(myMethod.statements.getFirst())).elseStatement.isPresent());

Assertions.assertEquals(1,((IfNode)(myMethod.statements.getFirst())).elseStatement.orElseThrow().statements.size());

}

@Test

public void testLoopVariable() throws Exception {

var t = LexAndParse("class Tran\n" +

"\thelloWorld()\n" +

"\t\tloop n\n" +

"\t\t\tkeepGoing = false\n"

, 18);

Assertions.assertEquals(1, t.Classes.size());

var myClass = t.Classes.getFirst();

Assertions.assertEquals(1, myClass.methods.size());

var myMethod = myClass.methods.getFirst();

Assertions.assertEquals(1, myMethod.statements.size());

Assertions.assertInstanceOf(LoopNode.class, myMethod.statements.getFirst());

}

@Test

public void testLoopCondition() throws Exception {

var t = LexAndParse("class Tran\n" +

"\thelloWorld()\n" +

"\t\tloop n<100\n" +

"\t\t\tkeepGoing = false\n"

, 20);

Assertions.assertEquals(1, t.Classes.size());

var myClass = t.Classes.getFirst();

Assertions.assertEquals(1, myClass.methods.size());

var myMethod = myClass.methods.getFirst();

Assertions.assertEquals(1, myMethod.statements.size());

Assertions.assertInstanceOf(LoopNode.class, myMethod.statements.getFirst());

Assertions.assertInstanceOf(CompareNode.class, ((LoopNode) myMethod.statements.getFirst()).expression);

}

@Test

public void testLoopConditionWithVariable() throws Exception {

var t = LexAndParse("class Tran\n" +

"\thelloWorld()\n" +

"\t\tloop c = n<100\n" +

"\t\t\tkeepGoing = false\n"

, 22);

Assertions.assertEquals(1, t.Classes.size());

var myClass = t.Classes.getFirst();

Assertions.assertEquals(1, myClass.methods.size());

var myMethod = myClass.methods.getFirst();

Assertions.assertEquals(1, myMethod.statements.size());

Assertions.assertInstanceOf(LoopNode.class, myMethod.statements.getFirst());

Assertions.assertInstanceOf(CompareNode.class, ((LoopNode) myMethod.statements.getFirst()).expression);

Assertions.assertTrue(((LoopNode) myMethod.statements.getFirst()).assignment.isPresent());

}

@Test

public void testMethodCallWithMulitpleVariables() throws Exception {

var t = LexAndParse("class Tran\n" +

"\thelloWorld()\n" +

"\t\ta,b,c,d,e = doSomething()\n"

, 24);

Assertions.assertEquals(1, t.Classes.size());

var myClass = t.Classes.getFirst();

Assertions.assertEquals(1, myClass.methods.size());

var myMethod = myClass.methods.getFirst();

Assertions.assertEquals(1, myMethod.statements.size());

var firstStatement = myMethod.statements.getFirst();

Assertions.assertInstanceOf(MethodCallStatementNode.class, firstStatement);

Assertions.assertEquals(5,((MethodCallStatementNode) firstStatement).returnValues.size());

}

TranProgrammingLanguage/src/ParserTests.java at main · ItsJacob210/TranProgrammingLanguage · GitHub

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