zenfyr.dev
a fork of EvalEx by ezylang with a handful of breaking changes
More inlining tests.
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src/test/java/com/ezylang/evalex/ExpressionInlineTest.java
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src/test/java/com/ezylang/evalex/ExpressionInlineTest.java
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public class ExpressionInlineTest extends BaseExpressionEvaluatorTest {
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@Test
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public void testSimpleInlinedExpression() throws ParseException, EvaluationException {
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public void testInlinedExpression() throws ParseException, EvaluationException {
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Expression expression = parser.inlineExpression(createExpression("2 + 2"));
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assertThat(expression.evaluate(UnaryOperator.identity()).getNumberValue())
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.isEqualTo(BigDecimal.valueOf(4));
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assertThat(expression.evaluate(UnaryOperator.identity()).getStringValue())
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.isEqualTo(BigDecimal.valueOf(4).toPlainString());
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assertThat(expression.getAbstractSyntaxTree()).isInstanceOf(InlinedASTNode.class);
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}
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@Test
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public void testConstantInlinedExpression() throws ParseException, EvaluationException {
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public void testInlinedConstant() throws ParseException, EvaluationException {
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Expression expression = parser.inlineExpression(createExpression("2 + PI"));
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assertThat(expression.evaluate(UnaryOperator.identity()).getNumberValue())
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assertThat(expression.evaluate(UnaryOperator.identity()).getStringValue())
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.isEqualTo(
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BigDecimal.valueOf(2)
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.add(
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new BigDecimal(
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"3.1415926535897932384626433832795028841971693993751058209749445923078")));
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"3.1415926535897932384626433832795028841971693993751058209749445923078"))
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.toPlainString());
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assertThat(expression.getAbstractSyntaxTree()).isInstanceOf(InlinedASTNode.class);
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}
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@Test
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public void testParameterNotInlinedExpression() throws ParseException, EvaluationException {
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public void testNotInlinedParameter() throws ParseException, EvaluationException {
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Expression expression = parser.inlineExpression(createExpression("cheese / 2"));
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assertThat(expression.evaluate(builder -> builder.parameter("cheese", 22)).getNumberValue())
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assertThat(expression.evaluate(builder -> builder.parameter("cheese", 22)).getStringValue())
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.isEqualTo(
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BigDecimal.valueOf(22).divide(BigDecimal.valueOf(2), configuration.getMathContext()));
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BigDecimal.valueOf(22)
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.divide(BigDecimal.valueOf(2), configuration.getMathContext())
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.toPlainString());
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assertThat(expression.getAbstractSyntaxTree()).isNotInstanceOf(InlinedASTNode.class);
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}
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@Test
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public void testFunctionInlined() throws ParseException, EvaluationException {
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Expression expression = parser.inlineExpression(createExpression("SUM(2, 4, 6, 7)"));
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assertThat(expression.evaluate(UnaryOperator.identity()).getStringValue())
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.isEqualTo(BigDecimal.valueOf(2 + 4 + 6 + 7).toPlainString());
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assertThat(expression.getAbstractSyntaxTree()).isInstanceOf(InlinedASTNode.class);
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}
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@Test
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public void testFunctionNotInlined() throws ParseException, EvaluationException {
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Expression expression = parser.inlineExpression(createExpression("SUM(2, a, 6, 7)"));
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assertThat(expression.evaluate(builder -> builder.parameter("a", 5)).getStringValue())
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.isEqualTo(BigDecimal.valueOf(2 + 5 + 6 + 7).toPlainString());
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assertThat(expression.getAbstractSyntaxTree()).isNotInstanceOf(InlinedASTNode.class);
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}
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@Test
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public void testRandomNotInlined() throws ParseException, EvaluationException {
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Expression expression = parser.inlineExpression(createExpression("RANDOM()"));
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assertThat(expression.getAbstractSyntaxTree()).isNotInstanceOf(InlinedASTNode.class);
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}
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}