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package com.oracle.truffle.js.test.instrumentation;

import org.junit.Ignore;
import org.junit.Test;

import com.oracle.truffle.api.instrumentation.StandardTags;
import com.oracle.truffle.js.nodes.instrumentation.JSTags.LiteralTag;
import com.oracle.truffle.js.nodes.instrumentation.JSTags.WritePropertyTag;

public class PrimaryExpressions extends FineGrainedAccessTest {

    @Test
    public void literalUnd() {
        evalWithTag("x = undefined;", LiteralTag.class);

        enter(LiteralTag.class, (l) -> {
            assertAttribute(l, LITERAL_TYPE, LiteralTag.Type.UndefinedLiteral.name());
        }).exit();
    }

    @Test
    public void literalObj() {
        evalWithTag("x = {};", LiteralTag.class);

        enter(LiteralTag.class, (l) -> {
            assertAttribute(l, LITERAL_TYPE, LiteralTag.Type.ObjectLiteral.name());
        }).exit();
    }

    @Test
    public void literalArray() {
        evalWithTag("x = [];", LiteralTag.class);

        enter(LiteralTag.class, (l) -> {
            assertAttribute(l, LITERAL_TYPE, LiteralTag.Type.ArrayLiteral.name());
        }).exit();
    }

    @Test
    public void functionExpression() {
        String src = "x = function() {}";

        evalWithTag(src, LiteralTag.class);

        enter(LiteralTag.class, (l) -> {
            assertAttribute(l, LITERAL_TYPE, LiteralTag.Type.FunctionLiteral.name());
        }).exit();
    }

    @Ignore
    @Test
    public void classExpression() {
        String src = "x = class A {}";

        evalWithTag(src, LiteralTag.class);

        enter(LiteralTag.class, (l) -> {
            assertAttribute(l, LITERAL_TYPE, LiteralTag.Type.FunctionLiteral.name());
        }).exit();
    }

    @Test
    public void generatorExpression() {
        String src = "x = function* foo() {}";

        evalWithTag(src, LiteralTag.class);

        enter(LiteralTag.class, (l) -> {
            assertAttribute(l, LITERAL_TYPE, LiteralTag.Type.FunctionLiteral.name());
        }).exit();
    }

    @Test
    public void asyncFunctionExpression() {
        String src = "x = async function foo() {}";

        evalWithTag(src, LiteralTag.class);

        enter(LiteralTag.class, (l) -> {
            assertAttribute(l, LITERAL_TYPE, LiteralTag.Type.FunctionLiteral.name());
        }).exit();
    }

    @Test
    public void coverParentheszed() {
        String src = "x = (async function foo() {}, undefined)";

        evalWithTag(src, LiteralTag.class);

        enter(LiteralTag.class, (l) -> {
            assertAttribute(l, LITERAL_TYPE, LiteralTag.Type.FunctionLiteral.name());
        }).exit();
        enter(LiteralTag.class, (l) -> {
            assertAttribute(l, LITERAL_TYPE, LiteralTag.Type.UndefinedLiteral.name());
        }).exit();
    }

    @Test
    public void thiz() {
        String src = "(function foo() { this.x = 3 })();";

        evalWithTag(src, WritePropertyTag.class);

        // actual test
        enter(WritePropertyTag.class, (e, w) -> {
            assertAttribute(e, KEY, "x");
            w.input(assertJSObjectInput);
            w.input(3);
        }).exit();
    }

    @Test
    public void expressionTagInFunctionExpression() {
        evalWithTag("(function foo() {})", StandardTags.ExpressionTag.class);
        enter(StandardTags.ExpressionTag.class, (e, expr) -> {
        }).exit();
    }

    @Test
    public void noExpressionTagInFunctionDeclaration() {
        evalWithTag("function foo() {};", StandardTags.ExpressionTag.class);
    }

}