Validate deserialization of flag data

1 files changed, 63 insertions, 1 deletions

diff --git a/vespajlib/src/test/java/com/yahoo/text/JSONTest.java b/vespajlib/src/test/java/com/yahoo/text/JSONTest.java
index 22174761571..bba36a7cadd 100644
--- a/vespajlib/src/test/java/com/yahoo/text/JSONTest.java
+++ b/vespajlib/src/test/java/com/yahoo/text/JSONTest.java
@@ -2,11 +2,15 @@
 package com.yahoo.text;
 
 import org.junit.Test;
-import static org.junit.Assert.assertEquals;
 
 import java.util.LinkedHashMap;
 import java.util.Map;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertTrue;
+
 /**
  * @author bratseth
  */
@@ -22,4 +26,62 @@ public class JSONTest {
         assertEquals("{\"a \\\"key\\\"\":3,\"key2\":\"value\",\"key3\":3.3}", JSON.encode(map));
     }
 
+    @Test
+    public void testEquals() {
+        assertTrue(JSON.equals("{}", "{}"));
+
+        // Whitespace is irrelevant
+        assertTrue(JSON.equals("{}", "\n{ }"));
+
+        // Order of fields in object is irrelevant
+        assertTrue(JSON.equals("{\"a\":0, \"c\":1}", "{\"c\":1, \"a\":0}"));
+
+        // Order of elements of array is significant
+        assertFalse(JSON.equals("[\"a\",\"b\"]", "[\"b\",\"c\"]"));
+
+        // Verify null-valued fields are not ignored
+        assertFalse(JSON.equals("{\"a\":null}", "{}"));
+
+        // Current impl uses BigInteger if integer doesn't fit in a long.
+        assertEquals(9223372036854775807L, Long.MAX_VALUE);
+        assertTrue(JSON.equals("{\"a\": 9223372036854775807}", "{\"a\": 9223372036854775807}"));
+
+        // double 1.0 and int 1 are different
+        assertTrue(JSON.equals( "{\"a\": 1}",  "{\"a\": 1}"));
+        assertTrue(JSON.equals( "{\"a\": 1.0}",  "{\"a\": 1.0}"));
+        assertFalse(JSON.equals( "{\"a\": 1.0}",  "{\"a\": 1}"));
+
+        // Double-precision on numbers. Constant from Math.E.
+        assertTrue(JSON.equals( "{\"e\": 2.71828182845904}",  "{\"e\": 2.71828182845904}"));
+
+        // Justification of above float values
+        double e1 = 2.7182818284590452354;
+        double e2 = 2.718281828459045;
+        double e3 = 2.71828182845904;
+        assertEquals(e1, Math.E, -1);
+        assertEquals(e1, e2, -1);
+        assertNotEquals(e1, e3, -1);
+
+        // Impl uses BigInteger
+        assertTrue(JSON.equals( "{\"a\": 92233720368547758070}",
+                                "{\"a\": 92233720368547758070}"));
+        assertFalse(JSON.equals("{\"a\": 92233720368547758070}",
+                                "{\"a\": 92233720368547758071}"));
+
+        // Impl converts to double and ignores extraneous digits
+        assertTrue(JSON.equals( "{\"e\": 2.7182818284590452354}",
+                                "{\"e\": 2.7182818284590452354}"));
+        assertTrue(JSON.equals( "{\"e\": 2.7182818284590452354}",
+                                "{\"e\": 2.7182818284590452355}"));
+        assertFalse(JSON.equals("{\"e\": 2.7182818284590452354}",
+                                "{\"e\": 2.71828182845904}"));
+
+        // Misc impl defined results
+        assertFalse(JSON.equals("{\"a\": 1.0}", "{\"a\":1}"));
+        assertTrue(JSON.equals("{\"a\": 1.0}", "{\"a\":1.00}"));
+        assertTrue(JSON.equals("{\"a\": 1.0}", "{\"a\":1.0000000000000000000000000000}"));
+        assertTrue(JSON.equals("{\"a\": 10.0}", "{\"a\":1e1}"));
+        assertTrue(JSON.equals("{\"a\": 1.2}", "{\"a\":12e-1}"));
+    }
+
 }