add e notation tests (#975)

Author: pjfanning

src/test/java/com/fasterxml/jackson/core/read/NumberParsingTest.java

@@ -881,6 +881,60 @@ public void testNegativeMaxNumberLength() {
         }
     }
 
+    public void testBigIntegerWithENotation() throws Exception {
+        final String DOC = "1e5";
+
+        // TODO broken for MODE_DATA_INPUT
+        final int[] modes = new int[]{
+                MODE_INPUT_STREAM,
+                MODE_INPUT_STREAM_THROTTLED,
+                MODE_READER,
+                MODE_READER_THROTTLED
+        };
+        for (int mode : modes) {
+            try (JsonParser p = createParser(jsonFactory(), mode, DOC)) {
+                assertToken(JsonToken.VALUE_NUMBER_FLOAT, p.nextToken());
+                assertEquals(100000L, p.getBigIntegerValue().longValue());
+            }
+        }
+    }
+
+    public void testLongWithENotation() throws Exception {
+        final String DOC = "1e5";
+
+        // TODO broken for MODE_DATA_INPUT
+        final int[] modes = new int[]{
+                MODE_INPUT_STREAM,
+                MODE_INPUT_STREAM_THROTTLED,
+                MODE_READER,
+                MODE_READER_THROTTLED
+        };
+        for (int mode : modes) {
+            try (JsonParser p = createParser(jsonFactory(), mode, DOC)) {
+                assertToken(JsonToken.VALUE_NUMBER_FLOAT, p.nextToken());
+                assertEquals(100000L, p.getLongValue());
+            }
+        }
+    }
+
+    public void testIntWithENotation() throws Exception {
+        final String DOC = "1e5";
+
+        // TODO broken for MODE_DATA_INPUT
+        final int[] modes = new int[]{
+                MODE_INPUT_STREAM,
+                MODE_INPUT_STREAM_THROTTLED,
+                MODE_READER,
+                MODE_READER_THROTTLED
+        };
+        for (int mode : modes) {
+            try (JsonParser p = createParser(jsonFactory(), mode, DOC)) {
+                assertToken(JsonToken.VALUE_NUMBER_FLOAT, p.nextToken());
+                assertEquals(100000, p.getIntValue());
+            }
+        }
+    }
+
     /*
     /**********************************************************
     /* Helper methods