Only apply language tag lowercasing in 1.0

rubensworks · Mar 16, 2020 · 044bd33 · 044bd33
1 parent 7a0087b
commit 044bd33
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Showing 2 changed files with 17 additions and 6 deletions.
diff --git a/lib/Util.ts b/lib/Util.ts
@@ -237,8 +237,10 @@ export class Util {
               `When an '@language' is set, the value of '@value' must be a string, got '${JSON.stringify(val)}'`);
           }
 
-          // Language tags are always normalized to lowercase.
-          valueLanguage = valueLanguage.toLowerCase();
+          // Language tags are always normalized to lowercase in 1.0.
+          if (this.parsingContext.activeProcessingMode === 1.0) {
+            valueLanguage = valueLanguage.toLowerCase();
+          }
 
           if (!Util.REGEX_LANGUAGE_TAG.test(valueLanguage)) {
             if (this.parsingContext.strictRanges) {

diff --git a/test/Util-test.ts b/test/Util-test.ts
@@ -252,10 +252,19 @@ describe('Util', () => {
             .toEqualRdfTerm(literal('abc', 'en-us'));
         });
 
-        it('with an @value and @language should return a lowercased language-tagged string literal', async () => {
-          return expect(await util.valueToTerm(context, 'key', { '@value': 'abc', '@language': 'en-US' }, 0))
-            .toEqualRdfTerm(literal('abc', 'en-us'));
-        });
+        it('with an @value and @language should return a lowercased language-tagged string literal in 1.0',
+          async () => {
+            util.parsingContext.activeProcessingMode = 1.0;
+            return expect(await util.valueToTerm(context, 'key', { '@value': 'abc', '@language': 'en-US' }, 0))
+              .toEqualRdfTerm(literal('abc', 'en-us'));
+          });
+
+        it('with an @value and @language should return a non-lowercased language-tagged string literal in 1.1',
+          async () => {
+            util.parsingContext.activeProcessingMode = 1.1;
+            return expect(await util.valueToTerm(context, 'key', { '@value': 'abc', '@language': 'en-US' }, 0))
+              .toEqualRdfTerm(literal('abc', 'en-US'));
+          });
 
         it('with an @value and @type should return a typed literal', async () => {
           return expect(await util.valueToTerm(context, 'key', { '@value': 'abc', '@type': 'http://type.com' }, 0))