package org.shedlang.compiler.shid;

import org.junit.jupiter.api.Test;
import org.shedlang.compiler.ast.typed.Typed;

import static org.shedlang.compiler.shid.instructions.ShidMatchers.isShidDiscard;
import static org.shedlang.compiler.shid.instructions.ShidMatchers.isShidPushString;
import static org.zwobble.precisely.AssertThat.assertThat;
import static org.zwobble.precisely.Matchers.isSequence;

public class ShidCodeGenExpressionStatementTests {
    @Test
    public void expressionIsEvaluatedAndTheResultDiscarded() {
        var node = Typed.expressionStatement(Typed.stringLiteral("hello"));
        var context = ShidCodeGen.Context.EMPTY;

        var result = ShidCodeGen.compileFunctionStatement(node, context);

        assertThat(result.instructions(), isSequence(
            isShidPushString("hello"),
            isShidDiscard()
        ));
    }
}