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package com.oracle.truffle.js.test.instrumentation;
import java.math.BigInteger;
import org.junit.Test;
import com.oracle.truffle.js.nodes.instrumentation.JSTags.LiteralTag;
import com.oracle.truffle.js.nodes.instrumentation.JSTags.WritePropertyTag;
import com.oracle.truffle.js.runtime.BigInt;
import com.oracle.truffle.js.runtime.objects.Undefined;
public class LiteralsTest extends FineGrainedAccessTest {
protected void testLiteral(String src, LiteralTag.Type expectedTagType) {
testLiteral(src, expectedTagType, null);
}
protected void testLiteral(String src, LiteralTag.Type expectedTagType, Object expectedValue) {
evalAllTags(src);
enter(WritePropertyTag.class, (e1, prop) -> {
prop.input(assertJSObjectInput);
assertAttribute(e1, KEY, "x");
enter(LiteralTag.class, (e2) -> {
assertAttribute(e2, LITERAL_TYPE, expectedTagType.name());
}).exit();
if (expectedValue != null) {
prop.input(expectedValue);
} else {
prop.input();
}
}).exit();
}
@Test
public void object() {
testLiteral("x = {};", LiteralTag.Type.ObjectLiteral);
}
@Test
public void array() {
testLiteral("x = [];", LiteralTag.Type.ArrayLiteral);
}
@Test
public void number() {
testLiteral("x = 42;", LiteralTag.Type.NumericLiteral, 42);
}
@Test
public void string() {
testLiteral("x = \"foo\";", LiteralTag.Type.StringLiteral, "foo");
}
@Test
public void bool() {
testLiteral("x = true;", LiteralTag.Type.BooleanLiteral, true);
}
@Test
public void nullLit() {
testLiteral("x = null;", LiteralTag.Type.NullLiteral);
}
@Test
public void undefined() {
testLiteral("x = undefined;", LiteralTag.Type.UndefinedLiteral, Undefined.instance);
}
@Test
public void regexp() {
testLiteral("x = /\\w+/;", LiteralTag.Type.RegExpLiteral);
}
@Test
public void function() {
testLiteral("x = function foo(){};", LiteralTag.Type.FunctionLiteral);
}
@Test
public void anonFunction() {
testLiteral("x = () => {};", LiteralTag.Type.FunctionLiteral);
}
@Test
public void bigint() {
testLiteral("x = 42n;", LiteralTag.Type.BigIntLiteral, new BigInt(BigInteger.valueOf(42)));
}
}