Add more test cases for trailing spaces.

demo/markdownlint-browser.js

@@ -2678,7 +2678,7 @@ module.exports = {
                     const tokenLines = params.lines.slice(token.map[0], token.map[1]);
                     forEachInlineCodeSpan(tokenLines.join("\n"), (code, lineIndex) => {
                         const codeLineCount = code.split(newLineRe).length;
-                        for (let i = 0; i < codeLineCount; i++) {
+                        for (let i = 0; i < codeLineCount - 1; i++) {
                             codeInlineLineNumbers.push(token.lineNumber + lineIndex + i);
                         }
                     });
@@ -2699,7 +2699,7 @@ module.exports = {
                             includesSorted(codeInlineLineNumbers, lineNumber))))) {
                 const column = line.length - trailingSpaces + 1;
                 addError(onError, lineNumber, "Expected: " + (expected === 0 ? "" : "0 or ") +
-                    expected + "; Actual: " + trailingSpaces, null, [column, trailingSpaces], {
+                    expected + "; Actual: " + trailingSpaces, undefined, [column, trailingSpaces], {
                     "editColumn": column,
                     "deleteCount": trailingSpaces
                 });

lib/md009.js

@@ -38,7 +38,7 @@ module.exports = {
           const tokenLines = params.lines.slice(token.map[0], token.map[1]);
           forEachInlineCodeSpan(tokenLines.join("\n"), (code, lineIndex) => {
             const codeLineCount = code.split(newLineRe).length;
-            for (let i = 0; i < codeLineCount; i++) {
+            for (let i = 0; i < codeLineCount - 1; i++) {
               codeInlineLineNumbers.push(token.lineNumber + lineIndex + i);
             }
           });
@@ -67,7 +67,7 @@ module.exports = {
           lineNumber,
           "Expected: " + (expected === 0 ? "" : "0 or ") +
             expected + "; Actual: " + trailingSpaces,
-          null,
+          undefined,
           [ column, trailingSpaces ],
           {
             "editColumn": column,

test/hard-line-breaks.md

@@ -53,6 +53,15 @@ Text text
 text text
 text  
 
+Text text
+text `code
+span` text  
+
+Text text
+text `code  
+span code  
+span` text  
+
 {MD009:9}
 {MD009:24}
 {MD009:32}
@@ -62,3 +71,7 @@ text
 {MD009:43}
 {MD009:48}
 {MD009:54}
+{MD009:58}
+{MD009:61}
+{MD009:62}
+{MD009:63}

test/snapshots/markdownlint-test-scenarios.js.md

@@ -11940,6 +11940,82 @@ Generated by [AVA](https://avajs.dev).
             'no-trailing-spaces',
           ],
         },
+        {
+          errorContext: null,
+          errorDetail: 'Expected: 0 or 2; Actual: 2',
+          errorRange: [
+            11,
+            2,
+          ],
+          fixInfo: {
+            deleteCount: 2,
+            editColumn: 11,
+          },
+          lineNumber: 58,
+          ruleDescription: 'Trailing spaces',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md009',
+          ruleNames: [
+            'MD009',
+            'no-trailing-spaces',
+          ],
+        },
+        {
+          errorContext: null,
+          errorDetail: 'Expected: 0 or 2; Actual: 2',
+          errorRange: [
+            11,
+            2,
+          ],
+          fixInfo: {
+            deleteCount: 2,
+            editColumn: 11,
+          },
+          lineNumber: 61,
+          ruleDescription: 'Trailing spaces',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md009',
+          ruleNames: [
+            'MD009',
+            'no-trailing-spaces',
+          ],
+        },
+        {
+          errorContext: null,
+          errorDetail: 'Expected: 0 or 2; Actual: 2',
+          errorRange: [
+            10,
+            2,
+          ],
+          fixInfo: {
+            deleteCount: 2,
+            editColumn: 10,
+          },
+          lineNumber: 62,
+          ruleDescription: 'Trailing spaces',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md009',
+          ruleNames: [
+            'MD009',
+            'no-trailing-spaces',
+          ],
+        },
+        {
+          errorContext: null,
+          errorDetail: 'Expected: 0 or 2; Actual: 2',
+          errorRange: [
+            11,
+            2,
+          ],
+          fixInfo: {
+            deleteCount: 2,
+            editColumn: 11,
+          },
+          lineNumber: 63,
+          ruleDescription: 'Trailing spaces',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md009',
+          ruleNames: [
+            'MD009',
+            'no-trailing-spaces',
+          ],
+        },
       ],
       fixed: `# Hard Line Breaks␊
       ␊
@@ -11996,6 +12072,15 @@ Generated by [AVA](https://avajs.dev).
       text text␊
       text␊
       ␊
+      Text text␊
+      text \`code␊
+      span\` text␊
+      ␊
+      Text text␊
+      text \`code␊
+      span code␊
+      span\` text␊
+      ␊
       {MD009:9}␊
       {MD009:24}␊
       {MD009:32}␊
@@ -12005,6 +12090,10 @@ Generated by [AVA](https://avajs.dev).
       {MD009:43}␊
       {MD009:48}␊
       {MD009:54}␊
+      {MD009:58}␊
+      {MD009:61}␊
+      {MD009:62}␊
+      {MD009:63}␊
       `,
     }