v0.2.13-pre.005

crates/ksp-interface-lib/tests/external_consumer.rs

@@ -0,0 +1,27 @@
+// file: crates/ksp-interface-lib/tests/external_consumer.rs
+// version: 1
+
+//! Downstream-style consumer canary for the public Interface facade.
+
+fn consume_instruction(instruction: ksp_interface_lib::ProgramInstruction) -> (ksp_interface_lib::Pubkey, usize, usize) {
+    return (*instruction.program_id(), instruction.accounts().len(), instruction.data().len());
+}
+
+#[test]
+fn pre_005_external_consumer_uses_only_the_crate_root_facade() {
+    let program_id = ksp_interface_lib::Pubkey::new_from_array([0xA1_u8; 32]);
+    let account_id = ksp_interface_lib::Pubkey::new_from_array([0xA2_u8; 32]);
+    let readonly = ksp_interface_lib::ProgramAccountMeta::readonly(account_id, true);
+    let writable = ksp_interface_lib::ProgramAccountMeta::writable(account_id, false);
+    let instruction = ksp_interface_lib::ProgramInstruction::try_new(program_id, std::vec![readonly, writable, readonly], std::vec![7_u8, 8, 9]);
+    assert!(instruction.is_ok());
+    let instruction = match instruction {
+        std::result::Result::Ok(value) => value,
+        std::result::Result::Err(_) => return,
+    };
+    assert_eq!(consume_instruction(instruction), (program_id, 3, 3));
+    assert_eq!(ksp_interface_lib::MAX_PROGRAM_INSTRUCTION_ACCOUNTS, 255);
+    assert_eq!(ksp_interface_lib::MAX_PROGRAM_INSTRUCTION_DATA_LEN, 10_240);
+    assert_eq!(ksp_interface_lib::ERROR_CODE_PROGRAM_INSTRUCTION_LIMIT_EXCEEDED.domain(), "interface");
+    return;
+}