add test files

tests/exercises/isbn-list/solution/solution.js

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+function isIsbn10(code) {
+
+    function checkDigit(code) {
+        let check = 0;
+        for (let i = 0; i < 9; i++) {
+            check += parseInt(code[i]) * (i + 1);
+        }
+        check %= 11;
+        return check === 10 ? 'X' : check.toString();
+    }
+
+    if (code.length !== 10) {
+        return false;
+    }
+
+    if (isNaN(Number(code.substring(0, 9)))) {
+        return false;
+    }
+
+    return code[9] === checkDigit(code);
+}
+
+
+function isIsbn13(code) {
+
+    function checkDigit(code) {
+        let check = 0;
+        for (let i = 0; i < 12; i++) {
+            check += parseInt(code[i]) * (i % 2 === 0 ? 1 : 3);
+        }
+        return ((((10 - check) % 10) + 10) % 10).toString();
+    }
+
+    if (code.length !== 13) {
+        return false;
+    }
+
+    if (isNaN(Number(code.substring(0, 12)))) {
+        return false;
+    }
+
+    return code[12] === checkDigit(code);
+}
+
+function isIsbn(code, isbn13=true) {
+    return isbn13 ? isIsbn13(code) : isIsbn10(code);
+}
+
+function areIsbn(codes, isbn13=undefined) {
+    if (isbn13 === undefined) {
+        return codes.map((code) => typeof code === 'string' ? isIsbn(code, code.length === 13) : false);
+    }
+    return codes.map((code) => typeof code === 'string' ? isIsbn(code, isbn13) : false);
+}

tests/exercises/isbn-list/solution/solution.ts

@@ -0,0 +1,54 @@
+function isIsbn10(code: string): boolean {
+
+    function checkDigit(code: string) {
+        let check: number = 0;
+        for (let i = 0; i < 9; i++) {
+            check += parseInt(code[i]) * (i + 1);
+        }
+        check %= 11;
+        return check === 10 ? 'X' : check.toString();
+    }
+
+    if (code.length !== 10) {
+        return false;
+    }
+
+    if (isNaN(Number(code.substring(0, 9)))) {
+        return false;
+    }
+
+    return code[9] === checkDigit(code);
+}
+
+
+function isIsbn13(code: string): boolean {
+
+    function checkDigit(code: string) {
+        let check: number = 0;
+        for (let i = 0; i < 12; i++) {
+            check += parseInt(code[i]) * (i % 2 === 0 ? 1 : 3);
+        }
+        return ((((10 - check) % 10) + 10) % 10).toString();
+    }
+
+    if (code.length !== 13) {
+        return false;
+    }
+
+    if (isNaN(Number(code.substring(0, 12)))) {
+        return false;
+    }
+
+    return code[12] === checkDigit(code);
+}
+
+function isIsbn(code: string, isbn13: boolean=true): boolean {
+    return isbn13 ? isIsbn13(code) : isIsbn10(code);
+}
+
+function areIsbn(codes: Array<unknown>, isbn13: boolean | undefined=undefined): Array<boolean> {
+    if (isbn13 === undefined) {
+        return codes.map((code:unknown) => typeof code === 'string' ? isIsbn(code, code.length === 13) : false);
+    }
+    return codes.map((code:unknown) => typeof code === 'string' ? isIsbn(code, isbn13) : false);
+}

tests/exercises/isbn/evaluation/one-with-crashing-assignment-javascript.tson

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+{
+  "tabs": [
+    {
+      "name": "are_isbn",
+      "runs": [
+        {
+          "contexts": [
+            {
+              "before": {
+                "typescript": {
+                  "data": "const ex = () => {throw new Error('AssertionError');};"
+                }
+              },
+              "testcases": [
+                {
+                  "input": {
+                    "type": "sequence",
+                    "variable": "codes01",
+                    "expression": {
+                      "type": "function",
+                      "namespace": "ex",
+                      "name": "get",
+                      "arguments": []
+                    }
+                  }
+                },
+                {
+                  "input": {
+                    "type": "function",
+                    "name": "are_isbn",
+                    "arguments": [
+                      "codes01"
+                    ]
+                  },
+                  "output": {
+                    "result": {
+                      "value": {
+                        "data": [
+                          {
+                            "data": false,
+                            "type": "boolean"
+                          },
+                          {
+                            "data": true,
+                            "type": "boolean"
+                          },
+                          {
+                            "data": true,
+                            "type": "boolean"
+                          },
+                          {
+                            "data": true,
+                            "type": "boolean"
+                          },
+                          {
+                            "data": false,
+                            "type": "boolean"
+                          },
+                          {
+                            "data": false,
+                            "type": "boolean"
+                          },
+                          {
+                            "data": false,
+                            "type": "boolean"
+                          },
+                          {
+                            "data": true,
+                            "type": "boolean"
+                          },
+                          {
+                            "data": false,
+                            "type": "boolean"
+                          }
+                        ],
+                        "type": "sequence"
+                      }
+                    }
+                  }
+                }
+              ]
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}

tests/exercises/isbn/solution/solution.js

@@ -0,0 +1,54 @@
+function isIsbn10(code) {
+
+    function checkDigit(code) {
+        let check = 0;
+        for (let i = 0; i < 9; i++) {
+            check += parseInt(code[i]) * (i + 1);
+        }
+        check %= 11;
+        return check === 10 ? 'X' : check.toString();
+    }
+
+    if (code.length !== 10) {
+        return false;
+    }
+
+    if (isNaN(Number(code.substring(0, 9)))) {
+        return false;
+    }
+
+    return code[9] === checkDigit(code);
+}
+
+
+function isIsbn13(code) {
+
+    function checkDigit(code) {
+        let check = 0;
+        for (let i = 0; i < 12; i++) {
+            check += parseInt(code[i]) * (i % 2 === 0 ? 1 : 3);
+        }
+        return ((((10 - check) % 10) + 10) % 10).toString();
+    }
+
+    if (code.length !== 13) {
+        return false;
+    }
+
+    if (isNaN(Number(code.substring(0, 12)))) {
+        return false;
+    }
+
+    return code[12] === checkDigit(code);
+}
+
+function isIsbn(code, isbn13=true) {
+    return isbn13 ? isIsbn13(code) : isIsbn10(code);
+}
+
+function areIsbn(codes, isbn13=undefined) {
+    if (isbn13 === undefined) {
+        return codes.map((code) => typeof code === 'string' ? isIsbn(code, code.length === 13) : false);
+    }
+    return codes.map((code) => typeof code === 'string' ? isIsbn(code, isbn13) : false);
+}