feat: Validate number format 'float' for 32-bit overflow

Author: thced

src/main/java/com/retailsvc/http/validate/DefaultValidator.java

@@ -89,7 +89,12 @@ private record NumberFormatCheck(DoublePredicate isValid, String message) {}
           "int64",
           new IntegerFormatCheck(n -> true, "value does not fit in int64"));
 
-  private static final Map<String, NumberFormatCheck> NUMBER_FORMAT_CHECKS = Map.of();
+  private static final Map<String, NumberFormatCheck> NUMBER_FORMAT_CHECKS =
+      Map.of(
+          "float",
+          new NumberFormatCheck(
+              n -> !Double.isNaN(n) && !Double.isInfinite(n) && Math.abs(n) <= Float.MAX_VALUE,
+              "value does not fit in float"));
 
   private final Function<String, Schema> refResolver;
   private final ConcurrentMap<String, Pattern> compiledPatterns = new ConcurrentHashMap<>();

src/test/java/com/retailsvc/http/validate/StringIntegerNumberTest.java

@@ -265,4 +265,25 @@ void integerFormatInt32() {
         .extracting(t -> ((ValidationException) t).error().keyword())
         .isEqualTo("format");
   }
+
+  @Test
+  void numberFormatFloat() {
+    NumberSchema s =
+        new NumberSchema(Set.of(TypeName.NUMBER), null, null, null, null, null, "float");
+    assertThatCode(() -> v.validate(1.5, s, "/v")).doesNotThrowAnyException();
+    assertThatCode(() -> v.validate(-1.5, s, "/v")).doesNotThrowAnyException();
+    assertThatCode(() -> v.validate((double) Float.MAX_VALUE, s, "/v")).doesNotThrowAnyException();
+    assertThatThrownBy(() -> v.validate(1e40, s, "/v"))
+        .extracting(t -> ((ValidationException) t).error().keyword())
+        .isEqualTo("format");
+    assertThatThrownBy(() -> v.validate(-1e40, s, "/v"))
+        .extracting(t -> ((ValidationException) t).error().keyword())
+        .isEqualTo("format");
+    assertThatThrownBy(() -> v.validate(Double.NaN, s, "/v"))
+        .extracting(t -> ((ValidationException) t).error().keyword())
+        .isEqualTo("format");
+    assertThatThrownBy(() -> v.validate(Double.POSITIVE_INFINITY, s, "/v"))
+        .extracting(t -> ((ValidationException) t).error().keyword())
+        .isEqualTo("format");
+  }
 }