1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/conversion-array.js b/js/src/jit-test/tests/ctypes/conversion-array.js
new file mode 100644
index 0000000000..cb6e2ce0b8
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/conversion-array.js
@@ -0,0 +1,36 @@
+// Type conversion error should report its type.
+
+load(libdir + 'asserts.js');
+
+function test() {
+  // constructor
+  assertTypeErrorMessage(() => { ctypes.int32_t.array()("foo"); },
+                         "can't convert the string \"foo\" to the type ctypes.int32_t.array()");
+  assertTypeErrorMessage(() => { ctypes.int32_t.array(10)("foo"); },
+                         "can't convert the string \"foo\" to the type ctypes.int32_t.array(10)");
+  assertTypeErrorMessage(() => { ctypes.char.array(2)("foo"); },
+                         "length of the string \"foo\" does not fit in the length of the type ctypes.char.array(2) (expected 2 or lower, got 3)");
+  assertTypeErrorMessage(() => { ctypes.char16_t.array(2)("foo"); },
+                         "length of the string \"foo\" does not fit in the length of the type ctypes.char16_t.array(2) (expected 2 or lower, got 3)");
+  assertTypeErrorMessage(() => { ctypes.int8_t.array(2)(new ArrayBuffer(8)); },
+                         "length of the array buffer ({}) does not match to the length of the type ctypes.int8_t.array(2) (expected 2, got 8)");
+  assertTypeErrorMessage(() => { ctypes.int8_t.array(2)(new Int8Array(8)); },
+                         "length of the typed array ({0:0, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0}) does not match to the length of the type ctypes.int8_t.array(2) (expected 2, got 8)");
+
+  // elem setter
+  assertTypeErrorMessage(() => { ctypes.int32_t.array(10)()[0] = "foo"; },
+                         "can't convert the string \"foo\" to element 0 of the type ctypes.int32_t.array(10)");
+  assertTypeErrorMessage(() => { ctypes.int32_t.array(10)()[1] = "foo"; },
+                         "can't convert the string \"foo\" to element 1 of the type ctypes.int32_t.array(10)");
+
+  // value setter
+  assertTypeErrorMessage(() => { ctypes.int32_t.array(1)().value = ["foo"]; },
+                         "can't convert the string \"foo\" to element 0 of the type ctypes.int32_t.array(1)");
+  assertTypeErrorMessage(() => { ctypes.int32_t.array(1)().value = [2, "foo"]; },
+                         "length of the array [2, \"foo\"] does not match to the length of the type ctypes.int32_t.array(1) (expected 1, got 2)");
+  assertTypeErrorMessage(() => { ctypes.int32_t.array(2)().value = [2, "foo"]; },
+                         "can't convert the string \"foo\" to element 1 of the type ctypes.int32_t.array(2)");
+}
+
+if (typeof ctypes === "object")
+  test();