Provide example for calculating Integer.MIN_VALUE with SpEL's power o…

…perator
spring-projects · Feb 2, 2024 · 7025b7a · 7025b7a
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diff --git a/framework-docs/modules/ROOT/pages/core/expressions/language-ref/operators.adoc b/framework-docs/modules/ROOT/pages/core/expressions/language-ref/operators.adoc
@@ -415,6 +415,8 @@ Java::
 
 	int maxInt = parser.parseExpression("(2^31) - 1").getValue(int.class);  // Integer.MAX_VALUE
 
+	int minInt = parser.parseExpression("-2^31").getValue(int.class);  // Integer.MIN_VALUE
+
 	// -- Operator precedence --
 
 	int minusTwentyOne = parser.parseExpression("1+2-3*8").getValue(int.class);  // -21
@@ -479,6 +481,8 @@ Kotlin::
 
 	val maxInt = parser.parseExpression("(2^31) - 1").getValue(Int::class.java)  // Integer.MAX_VALUE
 
+	val minInt = parser.parseExpression("-2^31").getValue(Int::class.java)  // Integer.MIN_VALUE
+
 	// -- Operator precedence --
 
 	val minusTwentyOne = parser.parseExpression("1+2-3*8").getValue(Int::class.java)  // -21	

diff --git a/...-expression/src/test/java/org/springframework/expression/spel/SpelDocumentationTests.java b/...-expression/src/test/java/org/springframework/expression/spel/SpelDocumentationTests.java
@@ -429,6 +429,9 @@ void mathematicalOperators() {
 			int maxInt = parser.parseExpression("(2^31) - 1").getValue(int.class);  // Integer.MAX_VALUE
 			assertThat(maxInt).isEqualTo(Integer.MAX_VALUE);
 
+			int minInt = parser.parseExpression("-2^31").getValue(int.class);  // Integer.MIN_VALUE
+			assertThat(minInt).isEqualTo(Integer.MIN_VALUE);
+
 			// -- Operator precedence --
 
 			int minusTwentyOne = parser.parseExpression("1+2-3*8").getValue(int.class);  // -21