From e35d7b64dc82864b88e7fe8041e1efd69aed144a Mon Sep 17 00:00:00 2001 From: Michael Williamson Date: Wed, 5 Jul 2023 21:12:54 +0100 Subject: Parse positive ints --- .../compiler/parser/ParserIntLiteralTests.java | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/test/java/org/shedlang/compiler/parser/ParserIntLiteralTests.java (limited to 'src/test/java/org/shedlang/compiler/parser') diff --git a/src/test/java/org/shedlang/compiler/parser/ParserIntLiteralTests.java b/src/test/java/org/shedlang/compiler/parser/ParserIntLiteralTests.java new file mode 100644 index 00000000..61908772 --- /dev/null +++ b/src/test/java/org/shedlang/compiler/parser/ParserIntLiteralTests.java @@ -0,0 +1,39 @@ +package org.shedlang.compiler.parser; + +import org.junit.jupiter.api.Test; + +import static org.shedlang.compiler.ast.untyped.UntypedNodeMatchers.isUntypedIntLiteralNode; +import static org.shedlang.compiler.parser.ParserTesting.parseString; +import static org.zwobble.precisely.AssertThat.assertThat; + +public class ParserIntLiteralTests { + // TODO: negatives + // TODO: forbid leading zeroes? + + @Test + public void canParseZero() { + var source = "0"; + + var node = parseString(source, Parser::parseTopLevelExpression); + + assertThat(node, isUntypedIntLiteralNode(0)); + } + + @Test + public void canParseSingleDigitPositiveInt() { + var source = "7"; + + var node = parseString(source, Parser::parseTopLevelExpression); + + assertThat(node, isUntypedIntLiteralNode(7)); + } + + @Test + public void canParseManyDigitPositiveInt() { + var source = "723"; + + var node = parseString(source, Parser::parseTopLevelExpression); + + assertThat(node, isUntypedIntLiteralNode(723)); + } +} -- cgit v1.2.3