feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 75 insertions, 0 deletions

diff --git a/vanilla/node_modules/@bcoe/v8-coverage/src/lib/clone.js b/vanilla/node_modules/@bcoe/v8-coverage/src/lib/clone.js
new file mode 100644
index 0000000..44c5e27
--- /dev/null
+++ b/vanilla/node_modules/@bcoe/v8-coverage/src/lib/clone.js
@@ -0,0 +1,75 @@
+/**
+ * Creates a deep copy of a process coverage.
+ *
+ * @param processCov Process coverage to clone.
+ * @return Cloned process coverage.
+ */
+function cloneProcessCov(processCov) {
+  const result = [];
+  for (const scriptCov of processCov.result) {
+    result.push(cloneScriptCov(scriptCov));
+  }
+
+  return {
+    result,
+  };
+}
+
+/**
+ * Creates a deep copy of a script coverage.
+ *
+ * @param scriptCov Script coverage to clone.
+ * @return Cloned script coverage.
+ */
+function cloneScriptCov(scriptCov) {
+  const functions = [];
+  for (const functionCov of scriptCov.functions) {
+    functions.push(cloneFunctionCov(functionCov));
+  }
+
+  return {
+    scriptId: scriptCov.scriptId,
+    url: scriptCov.url,
+    functions,
+  };
+}
+
+/**
+ * Creates a deep copy of a function coverage.
+ *
+ * @param functionCov Function coverage to clone.
+ * @return Cloned function coverage.
+ */
+function cloneFunctionCov(functionCov) {
+  const ranges = [];
+  for (const rangeCov of functionCov.ranges) {
+    ranges.push(cloneRangeCov(rangeCov));
+  }
+
+  return {
+    functionName: functionCov.functionName,
+    ranges,
+    isBlockCoverage: functionCov.isBlockCoverage,
+  };
+}
+
+/**
+ * Creates a deep copy of a function coverage.
+ *
+ * @param rangeCov Range coverage to clone.
+ * @return Cloned range coverage.
+ */
+function cloneRangeCov(rangeCov) {
+  return {
+    startOffset: rangeCov.startOffset,
+    endOffset: rangeCov.endOffset,
+    count: rangeCov.count,
+  };
+}
+
+module.exports = {
+  cloneProcessCov,
+  cloneScriptCov,
+  cloneFunctionCov,
+  cloneRangeCov,
+};