Fix JsonReader parser to support number E notation

novant-io · Jun 16, 2021 · 420f63a · 420f63a
1 parent b3ee115
commit 420f63a
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Showing 2 changed files with 9 additions and 6 deletions.
diff --git a/novant/novant-rt/src/io/novant/util/JsonReader.java b/novant/novant-rt/src/io/novant/util/JsonReader.java
@@ -90,7 +90,8 @@ private Double readNum() throws IOException
   {
     StringBuffer buf = new StringBuffer();
     if (peek == '-') buf.append((char)read());
-    while (Character.isDigit(peek) || peek == '.') buf.append((char)read());
+    while (Character.isDigit(peek) || peek == '.' || peek == 'E' || peek == '-')
+      buf.append((char)read());
     return Double.parseDouble(buf.toString());
   }
 

diff --git a/novant/novant-rt/srcTest/test/io/novant/BJsonTest.java b/novant/novant-rt/srcTest/test/io/novant/BJsonTest.java
@@ -50,11 +50,13 @@ public class BJsonTest extends BTestNg
 
   @Test public void testNum() throws IOException
   {
-    verifyEq(read("5"),      new Double(5));
-    verifyEq(read("-12"),    new Double(-12));
-    verifyEq(read("10572"),  new Double(10572));
-    verifyEq(read("18.4"),   new Double(18.4));
-    verifyEq(read("-0.123"), new Double(-0.123));
+    verifyEq(read("5"),        new Double(5));
+    verifyEq(read("-12"),      new Double(-12));
+    verifyEq(read("10572"),    new Double(10572));
+    verifyEq(read("18.4"),     new Double(18.4));
+    verifyEq(read("-0.123"),   new Double(-0.123));
+    verifyEq(read("2.351E8"),  new Double(2.351E8));
+    verifyEq(read("6.195E-4"), new Double(6.195E-4));
   }
 
   @Test public void testStr() throws IOException