Examples with ExpressionParser cn.taketoday.expression.ExpressionParser used on opensource projects

Example 26 with ExpressionParser

use of cn.taketoday.expression.ExpressionParser in project today-infrastructure by TAKETODAY.

the class SpelReproTests method SPR9486_floatPowerDouble.

@Test
void SPR9486_floatPowerDouble() {
    Number expectedResult = Math.pow(10.21f, 10.2);
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    Expression expression = parser.parseExpression("10.21f ^ 10.2");
    Number result = expression.getValue(context, null, Number.class);
    assertThat(result).isEqualTo(expectedResult);
}

Example 27 with ExpressionParser

use of cn.taketoday.expression.ExpressionParser in project today-infrastructure by TAKETODAY.

the class SpelReproTests method SPR10091_simpleTestValueType.

@Test
void SPR10091_simpleTestValueType() {
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext evaluationContext = new StandardEvaluationContext(new BooleanHolder());
    Class<?> valueType = parser.parseExpression("simpleProperty").getValueType(evaluationContext);
    assertThat(valueType).isEqualTo(Boolean.class);
}

Example 28 with ExpressionParser

use of cn.taketoday.expression.ExpressionParser in project today-infrastructure by TAKETODAY.

the class SpelExceptionTests method spelExpressionArrayWithVariables.

@Test
@SuppressWarnings("serial")
public void spelExpressionArrayWithVariables() {
    ExpressionParser parser = new SpelExpressionParser();
    Expression spelExpression = parser.parseExpression("#anArray[0] eq 1");
    StandardEvaluationContext ctx = new StandardEvaluationContext();
    ctx.setVariables(new HashMap<String, Object>() {

        {
            put("anArray", new int[] { 1, 2, 3 });
        }
    });
    boolean result = spelExpression.getValue(ctx, Boolean.class);
    assertThat(result).isTrue();
}

Example 29 with ExpressionParser

use of cn.taketoday.expression.ExpressionParser in project today-infrastructure by TAKETODAY.

the class SpelExceptionTests method spelExpressionMapNullVariables.

@Test
public void spelExpressionMapNullVariables() {
    ExpressionParser parser = new SpelExpressionParser();
    Expression spelExpression = parser.parseExpression("#aMap.containsKey('one')");
    assertThatExceptionOfType(SpelEvaluationException.class).isThrownBy(spelExpression::getValue);
}

Example 30 with ExpressionParser

use of cn.taketoday.expression.ExpressionParser in project today-infrastructure by TAKETODAY.

the class SpelExceptionTests method spelExpressionListIndexAccessWithVariables.

@Test
@SuppressWarnings("serial")
public void spelExpressionListIndexAccessWithVariables() {
    ExpressionParser parser = new SpelExpressionParser();
    Expression spelExpression = parser.parseExpression("#aList[0] eq 'one'");
    StandardEvaluationContext ctx = new StandardEvaluationContext();
    ctx.setVariables(new HashMap<String, Object>() {

        {
            put("aList", new ArrayList<String>() {

                {
                    add("one");
                    add("two");
                    add("three");
                }
            });
        }
    });
    boolean result = spelExpression.getValue(ctx, Boolean.class);
    assertThat(result).isTrue();
}