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Posted to commits@tinkerpop.apache.org by rd...@apache.org on 2018/10/05 11:37:32 UTC

[10/48] tinkerpop git commit: TINKERPOP-2055 Added special number handling in javascript

TINKERPOP-2055 Added special number handling in javascript


Project: http://git-wip-us.apache.org/repos/asf/tinkerpop/repo
Commit: http://git-wip-us.apache.org/repos/asf/tinkerpop/commit/2d3041f2
Tree: http://git-wip-us.apache.org/repos/asf/tinkerpop/tree/2d3041f2
Diff: http://git-wip-us.apache.org/repos/asf/tinkerpop/diff/2d3041f2

Branch: refs/heads/TINKERPOP-2037
Commit: 2d3041f226310379c966214461c79cf47432f4c9
Parents: 854914e
Author: Stephen Mallette <sp...@genoprime.com>
Authored: Wed Oct 3 04:33:40 2018 -0400
Committer: Stephen Mallette <sp...@genoprime.com>
Committed: Wed Oct 3 04:33:40 2018 -0400

----------------------------------------------------------------------
 .../lib/structure/io/type-serializers.js        | 30 ++++++++++++++-
 .../test/unit/graphson-test.js                  | 39 ++++++++++++++++++++
 2 files changed, 67 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/2d3041f2/gremlin-javascript/src/main/javascript/gremlin-javascript/lib/structure/io/type-serializers.js
----------------------------------------------------------------------
diff --git a/gremlin-javascript/src/main/javascript/gremlin-javascript/lib/structure/io/type-serializers.js b/gremlin-javascript/src/main/javascript/gremlin-javascript/lib/structure/io/type-serializers.js
index fdf049f..5583c47 100644
--- a/gremlin-javascript/src/main/javascript/gremlin-javascript/lib/structure/io/type-serializers.js
+++ b/gremlin-javascript/src/main/javascript/gremlin-javascript/lib/structure/io/type-serializers.js
@@ -49,11 +49,37 @@ class TypeSerializer {
 
 class NumberSerializer extends TypeSerializer {
   serialize(item) {
-    return item;
+    if (isNaN(item)) {
+      return {
+        [typeKey]: 'g:Double',
+        [valueKey]: 'NaN'
+      };
+    } else if (item === Number.POSITIVE_INFINITY) {
+      return {
+        [typeKey]: 'g:Double',
+        [valueKey]: 'Infinity'
+      };
+    } else if (item === Number.NEGATIVE_INFINITY) {
+      return {
+        [typeKey]: 'g:Double',
+        [valueKey]: '-Infinity'
+      };
+    } else {
+      return item;
+    }
   }
 
   deserialize(obj) {
-    return parseFloat(obj[valueKey]);
+    var val = obj[valueKey];
+    if (val === 'NaN') {
+      return NaN;
+    } else if (val === 'Infinity') {
+      return Number.POSITIVE_INFINITY;
+    } else if (val === '-Infinity') {
+      return Number.NEGATIVE_INFINITY;
+    } else {
+      return parseFloat(val);
+    }
   }
 
   canBeUsedFor(value) {

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/2d3041f2/gremlin-javascript/src/main/javascript/gremlin-javascript/test/unit/graphson-test.js
----------------------------------------------------------------------
diff --git a/gremlin-javascript/src/main/javascript/gremlin-javascript/test/unit/graphson-test.js b/gremlin-javascript/src/main/javascript/gremlin-javascript/test/unit/graphson-test.js
index b459407..a1ac0d6 100644
--- a/gremlin-javascript/src/main/javascript/gremlin-javascript/test/unit/graphson-test.js
+++ b/gremlin-javascript/src/main/javascript/gremlin-javascript/test/unit/graphson-test.js
@@ -46,6 +46,30 @@ describe('GraphSONReader', function () {
       assert.strictEqual(result, item[1]);
     });
   });
+  it('should parse GraphSON Nan from GraphSON', function () {
+      const reader = new GraphSONReader();
+      var result = reader.read({
+                "@type": "g:Double",
+                "@value": "NaN"
+              });
+      assert.ok(isNaN(result));
+  });
+  it('should parse GraphSON -Infinity and Nan from GraphSON', function () {
+      const reader = new GraphSONReader();
+      var result = reader.read({
+                "@type": "g:Double",
+                "@value": "-Infinity"
+              });
+      assert.strictEqual(result, Number.NEGATIVE_INFINITY);
+  });
+  it('should parse GraphSON Infinity and Nan from GraphSON', function () {
+      const reader = new GraphSONReader();
+      var result = reader.read({
+                "@type": "g:Double",
+                "@value": "Infinity"
+              });
+      assert.strictEqual(result, Number.POSITIVE_INFINITY);
+  });
   it('should parse Date', function() {
     const obj = { "@type" : "g:Date", "@value" : 1481750076295 };
     const reader = new GraphSONReader();
@@ -102,6 +126,21 @@ describe('GraphSONWriter', function () {
     const writer = new GraphSONWriter();
     assert.strictEqual(writer.write(2), '2');
   });
+  it('should write NaN', function () {
+    const writer = new GraphSONWriter();
+    const expected = JSON.stringify({ "@type" : "g:Double", "@value" : "NaN" });
+    assert.strictEqual(writer.write(NaN), expected);
+  });
+  it('should write Infinity', function () {
+    const writer = new GraphSONWriter();
+    const expected = JSON.stringify({ "@type" : "g:Double", "@value" : "Infinity" });
+    assert.strictEqual(writer.write(Number.POSITIVE_INFINITY), expected);
+  });
+  it('should write -Infinity', function () {
+    const writer = new GraphSONWriter();
+    const expected = JSON.stringify({ "@type" : "g:Double", "@value" : "-Infinity" });
+    assert.strictEqual(writer.write(Number.NEGATIVE_INFINITY), expected);
+  });
   it('should write Date', function() {
     const writer = new GraphSONWriter();
     const expected = JSON.stringify({ "@type" : "g:Date", "@value" : 1481750076295 });