updater: Fix an off-by-1 bug in file_getprop().
Also add a testcase for file_getprop().
Test: recovery_component_test passes.
Change-Id: I8eb2f9a5702b43997ac9f4b29665eea087b1c146
diff --git a/tests/component/updater_test.cpp b/tests/component/updater_test.cpp
index a859f11..bd1df55 100644
--- a/tests/component/updater_test.cpp
+++ b/tests/component/updater_test.cpp
@@ -16,7 +16,9 @@
#include <string>
+#include <android-base/file.h>
#include <android-base/properties.h>
+#include <android-base/test_utils.h>
#include <gtest/gtest.h>
#include "edify/expr.h"
@@ -97,3 +99,51 @@
// sha1_check() expects at least one argument.
expect(nullptr, "sha1_check()", kArgsParsingFailure);
}
+
+TEST_F(UpdaterTest, file_getprop) {
+ // file_getprop() expects two arguments.
+ expect(nullptr, "file_getprop()", kArgsParsingFailure);
+ expect(nullptr, "file_getprop(\"arg1\")", kArgsParsingFailure);
+ expect(nullptr, "file_getprop(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure);
+
+ // File doesn't exist.
+ expect(nullptr, "file_getprop(\"/doesntexist\", \"key1\")", kFileGetPropFailure);
+
+ // Reject too large files (current limit = 65536).
+ TemporaryFile temp_file1;
+ std::string buffer(65540, '\0');
+ ASSERT_TRUE(android::base::WriteStringToFile(buffer, temp_file1.path));
+
+ // Read some keys.
+ TemporaryFile temp_file2;
+ std::string content("ro.product.name=tardis\n"
+ "# comment\n\n\n"
+ "ro.product.model\n"
+ "ro.product.board = magic \n");
+ ASSERT_TRUE(android::base::WriteStringToFile(content, temp_file2.path));
+
+ std::string script1("file_getprop(\"" + std::string(temp_file2.path) +
+ "\", \"ro.product.name\")");
+ expect("tardis", script1.c_str(), kNoCause);
+
+ std::string script2("file_getprop(\"" + std::string(temp_file2.path) +
+ "\", \"ro.product.board\")");
+ expect("magic", script2.c_str(), kNoCause);
+
+ // No match.
+ std::string script3("file_getprop(\"" + std::string(temp_file2.path) +
+ "\", \"ro.product.wrong\")");
+ expect("", script3.c_str(), kNoCause);
+
+ std::string script4("file_getprop(\"" + std::string(temp_file2.path) +
+ "\", \"ro.product.name=\")");
+ expect("", script4.c_str(), kNoCause);
+
+ std::string script5("file_getprop(\"" + std::string(temp_file2.path) +
+ "\", \"ro.product.nam\")");
+ expect("", script5.c_str(), kNoCause);
+
+ std::string script6("file_getprop(\"" + std::string(temp_file2.path) +
+ "\", \"ro.product.model\")");
+ expect("", script6.c_str(), kNoCause);
+}