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Document the between operator in SpEL

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Closes gh-32140
This commit is contained in:
Sam Brannen
2024-01-29 18:34:12 +01:00
parent e97fc7be38
commit 84cce6018c
3 changed files with 148 additions and 57 deletions
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47
spring-expression/src/test/java/org/springframework/expression/spel/SpelDocumentationTests.java
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@@ -221,6 +221,7 @@ class SpelDocumentationTests extends AbstractExpressionTests {
void relationalOperators() {
boolean result = parser.parseExpression("2 == 2").getValue(Boolean.class);
assertThat(result).isTrue();
// evaluates to false
result = parser.parseExpression("2 < -5.0").getValue(Boolean.class);
assertThat(result).isFalse();
@@ -232,17 +233,47 @@ class SpelDocumentationTests extends AbstractExpressionTests {
@Test
void otherOperators() {
// evaluates to false
boolean falseValue = parser.parseExpression("'xyz' instanceof T(int)").getValue(Boolean.class);
assertThat(falseValue).isFalse();
boolean result;
// evaluates to true
boolean trueValue = parser.parseExpression("'5.00' matches '^-?\\d+(\\.\\d{2})?$'").getValue(Boolean.class);
assertThat(trueValue).isTrue();
result = parser.parseExpression(
"1 between {1, 5}").getValue(Boolean.class);
assertThat(result).isTrue();
//evaluates to false
falseValue = parser.parseExpression("'5.0067' matches '^-?\\d+(\\.\\d{2})?$'").getValue(Boolean.class);
assertThat(falseValue).isFalse();
// evaluates to false
result = parser.parseExpression(
"1 between {10, 15}").getValue(Boolean.class);
assertThat(result).isFalse();
// evaluates to true
result = parser.parseExpression(
"'elephant' between {'aardvark', 'zebra'}").getValue(Boolean.class);
assertThat(result).isTrue();
// evaluates to false
result = parser.parseExpression(
"'elephant' between {'aardvark', 'cobra'}").getValue(Boolean.class);
assertThat(result).isFalse();
// evaluates to true
result = parser.parseExpression(
"123 instanceof T(Integer)").getValue(Boolean.class);
assertThat(result).isTrue();
// evaluates to false
result = parser.parseExpression(
"'xyz' instanceof T(Integer)").getValue(Boolean.class);
assertThat(result).isFalse();
// evaluates to true
result = parser.parseExpression(
"'5.00' matches '^-?\\d+(\\.\\d{2})?$'").getValue(Boolean.class);
assertThat(result).isTrue();
// evaluates to false
result = parser.parseExpression(
"'5.0067' matches '^-?\\d+(\\.\\d{2})?$'").getValue(Boolean.class);
assertThat(result).isFalse();
}
@Test