(GH-1417) Add tests for CRLF documents

Previously the test fixtures were failing on some Windows systems due to git
changing the line endings.  This commit adds a new test fixture, and runs the
same tests on the same content document, but each with a different line-ending
(CRLF and LF).

test/features/folding.test.ts

@@ -36,10 +36,32 @@ suite("Features", () => {
             assert.notEqual(psGrammar, null);
         });
 
-        test("Can detect all of the foldable regions in a document", async () => {
-            // Integration test against the test fixture 'folding.ps1' that contains
+        test("Can detect all of the foldable regions in a document with CRLF line endings", async () => {
+            // Integration test against the test fixture 'folding-crlf.ps1' that contains
             // all of the different types of folding available
-            const uri = vscode.Uri.file(path.join(fixturePath, "folding.ps1"));
+            const uri = vscode.Uri.file(path.join(fixturePath, "folding-crlf.ps1"));
+            const document = await vscode.workspace.openTextDocument(uri);
+            const result = await provider.provideFoldingRanges(document, null, null);
+
+            const expected = [
+                { start: 1,  end: 6,  kind: 1 },
+                { start: 7,  end: 46, kind: 3 },
+                { start: 8,  end: 13, kind: 1 },
+                { start: 14, end: 17, kind: 3 },
+                { start: 21, end: 23, kind: 1 },
+                { start: 25, end: 35, kind: 3 },
+                { start: 27, end: 31, kind: 3 },
+                { start: 37, end: 39, kind: 3 },
+                { start: 42, end: 45, kind: 3 },
+            ];
+
+            assertFoldingRegions(result, expected);
+        });
+
+        test("Can detect all of the foldable regions in a document with LF line endings", async () => {
+            // Integration test against the test fixture 'folding-lf.ps1' that contains
+            // all of the different types of folding available
+            const uri = vscode.Uri.file(path.join(fixturePath, "folding-lf.ps1"));
             const document = await vscode.workspace.openTextDocument(uri);
             const result = await provider.provideFoldingRanges(document, null, null);
 

test/fixtures/.gitattributes

@@ -0,0 +1,8 @@
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+# These test fixtures require crlf
+folding-crlf.ps1  text eol=crlf
+
+# These test fixtures require lf
+folding-lf.ps1    text eol=lf

test/fixtures/folding-lf.ps1

@@ -0,0 +1,47 @@
+function short-func {};
+<#
+.SYNOPSIS
+  Displays a list of WMI Classes based upon a search criteria
+.EXAMPLE
+ Get-WmiClasses -class disk -ns rootcimv2"
+#>
+function New-VSCodeCannotFold {
+<#
+.SYNOPSIS
+  Displays a list of WMI Classes based upon a search criteria
+.EXAMPLE
+ Get-WmiClasses -class disk -ns rootcimv2"
+#>
+  $I = @'
+cannot fold
+
+'@
+
+  # this won't be folded
+
+  # This should be foldable
+  # This should be foldable
+  # This should be foldable
+
+  #region This fools the indentation folding.
+  Write-Host "Hello"
+    # region
+    Write-Host "Hello"
+    # comment1
+    Write-Host "Hello"
+    #endregion
+    Write-Host "Hello"
+    # comment2
+    Write-Host "Hello"
+    # endregion
+
+  $c = {
+    Write-Host "Hello"
+  }
+
+  # Array fools indentation folding
+  $d = @(
+  'element1',
+  'elemet2'
+  )
+}