1 files changed, 79 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/latin1/json.js b/js/src/jit-test/tests/latin1/json.js
new file mode 100644
index 000000000..16559890d
--- /dev/null
+++ b/js/src/jit-test/tests/latin1/json.js
@@ -0,0 +1,79 @@
+function testBasic() {
+    // Latin1
+    var s = '[1, 2, "foo", "bar\\r\\n", {"xyz": 3}, [1, 2, 3]]';
+    assertEq(isLatin1(s), true);
+    assertEq(JSON.stringify(JSON.parse(s)), '[1,2,"foo","bar\\r\\n",{"xyz":3},[1,2,3]]');
+
+    // TwoByte
+    s = '[1, 2, "foo\u1200", "bar\\r\\n", {"xyz": 3}, [1, 2, 3]]';
+    assertEq(JSON.stringify(JSON.parse(s)), '[1,2,"foo\u1200","bar\\r\\n",{"xyz":3},[1,2,3]]');
+}
+testBasic();
+
+function testErrorPos() {
+    // Make sure the error location is calculated correctly.
+
+    // Latin1
+    var s = '[1, \n2,';
+    try {
+	JSON.parse(s);
+	assertEq(0, 1);
+    } catch(e) {
+	assertEq(e instanceof SyntaxError, true);
+	assertEq(e.toString().includes("line 2 column 3"), true);
+    }
+
+    s = '[1, "\u1300",\n2,';
+    try {
+	JSON.parse(s);
+	assertEq(0, 1);
+    } catch(e) {
+	assertEq(e instanceof SyntaxError, true);
+	assertEq(e.toString().includes("line 2 column 3"), true);
+    }
+}
+testErrorPos();
+
+function testEvalHack() {
+    // Latin1
+    var arr = eval("[1, 2, 3, \"abc\"]");
+    assertEq(JSON.stringify(arr), '[1,2,3,"abc"]');
+    assertEq(isLatin1(JSON.stringify(arr)), true);
+
+    // TwoByte
+    arr = eval("[1, 2, 3, \"abc\u1200\"]");
+    assertEq(JSON.stringify(arr), '[1,2,3,"abc\u1200"]');
+}
+testEvalHack();
+
+function testEvalHackNotJSON() {
+    // Latin1
+    var arr = eval("[]; var q; [1, 2, 3, \"abc\"]");
+    assertEq(JSON.stringify(arr), '[1,2,3,"abc"]');
+
+    // TwoByte
+    arr = eval("[]; var z; [1, 2, 3, \"abc\u1200\"]");
+    assertEq(JSON.stringify(arr), '[1,2,3,"abc\u1200"]');
+
+    try {
+	eval("[1, 2, 3, \"abc\u2028\"]");
+	throw new Error("U+2028 shouldn't eval");
+    } catch (e) {
+	assertEq(e instanceof SyntaxError, true,
+		 "should have thrown a SyntaxError, instead got " + e);
+    }
+}
+testEvalHackNotJSON();
+
+function testQuote() {
+    // Latin1
+    var s = "abc--\x05-'\"-\n-\u00ff++";
+    var res = JSON.stringify(s);
+    assertEq(res, '"abc--\\u0005-\'\\"-\\n-\xFF++"');
+    assertEq(isLatin1(res), true);
+
+    // TwoByte
+    s += "\uAAAA";
+    assertEq(JSON.stringify(s), '"abc--\\u0005-\'\\"-\\n-\xFF++\uAAAA"');
+}
+testQuote();