fix(coverage): Error if the emit cache is invalid (#16850)

3 files changed, 23 insertions, 0 deletions

diff --git a/cli/tests/testdata/coverage/invalid_cache/mod.test.ts b/cli/tests/testdata/coverage/invalid_cache/mod.test.ts
new file mode 100644
index 000000000..5815d07a3
--- /dev/null
+++ b/cli/tests/testdata/coverage/invalid_cache/mod.test.ts
@@ -0,0 +1,2 @@
+import { test } from "./mod.ts";
+Deno.test("test", () => void test());
diff --git a/cli/tests/testdata/coverage/invalid_cache/mod_after.ts b/cli/tests/testdata/coverage/invalid_cache/mod_after.ts
new file mode 100644
index 000000000..294dc0843
--- /dev/null
+++ b/cli/tests/testdata/coverage/invalid_cache/mod_after.ts
@@ -0,0 +1,6 @@
+export function test() {
+  return 42;
+}
+if (import.meta.main) {
+  test();
+}
diff --git a/cli/tests/testdata/coverage/invalid_cache/mod_before.ts b/cli/tests/testdata/coverage/invalid_cache/mod_before.ts
new file mode 100644
index 000000000..ea52ccbce
--- /dev/null
+++ b/cli/tests/testdata/coverage/invalid_cache/mod_before.ts
@@ -0,0 +1,15 @@
+export function test() {
+  console.log("1");
+  console.log("2");
+  console.log("3");
+  console.log("4");
+  console.log("5");
+  console.log("6");
+  console.log("7");
+  console.log("8");
+  console.log("9");
+  return 42;
+}
+if (import.meta.main) {
+  test();
+}