package org.shedlang.compiler.parser; import org.junit.jupiter.api.Test; import static org.shedlang.compiler.ast.untyped.UntypedNodeMatchers.*; import static org.shedlang.compiler.parser.ParserTesting.parseString; import static org.zwobble.precisely.AssertThat.assertThat; public class ParserSubTests { @Test public void canParseSubtractionOfTwoPrimaryExpressions() { var source = "1 - 2"; var node = parseString(source, Parser::parseTopLevelExpression); assertThat(node, isUntypedSubNode( isUntypedIntLiteralNode(1), isUntypedIntLiteralNode(2) )); } }