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-rw-r--r--cli/tests/unit/os_test.ts7
1 files changed, 7 insertions, 0 deletions
diff --git a/cli/tests/unit/os_test.ts b/cli/tests/unit/os_test.ts
index 81f912bcc..667c3cc81 100644
--- a/cli/tests/unit/os_test.ts
+++ b/cli/tests/unit/os_test.ts
@@ -26,6 +26,13 @@ Deno.test({ permissions: { env: true } }, function deleteEnv() {
assertEquals(Deno.env.get("TEST_VAR"), undefined);
});
+Deno.test({ permissions: { env: true } }, function hasEnv() {
+ Deno.env.set("TEST_VAR", "A");
+ assert(Deno.env.has("TEST_VAR"));
+ Deno.env.delete("TEST_VAR");
+ assert(!Deno.env.has("TEST_VAR"));
+});
+
Deno.test({ permissions: { env: true } }, function avoidEmptyNamedEnv() {
assertThrows(() => Deno.env.set("", "v"), TypeError);
assertThrows(() => Deno.env.set("a=a", "v"), TypeError);