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authorTao Bao <tbao@google.com>2019-04-27 08:41:49 +0200
committerTao Bao <tbao@google.com>2019-04-30 18:13:36 +0200
commit4a01f36d210491e78765b5f6875ecd840f8c3b1e (patch)
tree420141eae2fc0a69f0bdb77a3299742a8f4e7359 /tests/unit/edify_test.cpp
parentMerge "Consolidate the codes that handle reboot/shutdown." (diff)
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Diffstat (limited to 'tests/unit/edify_test.cpp')
-rw-r--r--tests/unit/edify_test.cpp167
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diff --git a/tests/unit/edify_test.cpp b/tests/unit/edify_test.cpp
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+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <memory>
+#include <string>
+
+#include <gtest/gtest.h>
+
+#include "edify/expr.h"
+
+static void expect(const std::string& expr_str, const char* expected) {
+ std::unique_ptr<Expr> e;
+ int error_count = 0;
+ EXPECT_EQ(0, ParseString(expr_str, &e, &error_count));
+ EXPECT_EQ(0, error_count);
+
+ State state(expr_str, nullptr);
+
+ std::string result;
+ bool status = Evaluate(&state, e, &result);
+
+ if (expected == nullptr) {
+ EXPECT_FALSE(status);
+ } else {
+ EXPECT_STREQ(expected, result.c_str());
+ }
+}
+
+class EdifyTest : public ::testing::Test {
+ protected:
+ void SetUp() {
+ RegisterBuiltins();
+ }
+};
+
+TEST_F(EdifyTest, parsing) {
+ expect("a", "a");
+ expect("\"a\"", "a");
+ expect("\"\\x61\"", "a");
+ expect("# this is a comment\n"
+ " a\n"
+ " \n",
+ "a");
+}
+
+TEST_F(EdifyTest, sequence) {
+ // sequence operator
+ expect("a; b; c", "c");
+}
+
+TEST_F(EdifyTest, concat) {
+ // string concat operator
+ expect("a + b", "ab");
+ expect("a + \n \"b\"", "ab");
+ expect("a + b +\nc\n", "abc");
+
+ // string concat function
+ expect("concat(a, b)", "ab");
+ expect("concat(a,\n \"b\")", "ab");
+ expect("concat(a + b,\nc,\"d\")", "abcd");
+ expect("\"concat\"(a + b,\nc,\"d\")", "abcd");
+}
+
+TEST_F(EdifyTest, logical) {
+ // logical and
+ expect("a && b", "b");
+ expect("a && \"\"", "");
+ expect("\"\" && b", "");
+ expect("\"\" && \"\"", "");
+ expect("\"\" && abort()", ""); // test short-circuiting
+ expect("t && abort()", nullptr);
+
+ // logical or
+ expect("a || b", "a");
+ expect("a || \"\"", "a");
+ expect("\"\" || b", "b");
+ expect("\"\" || \"\"", "");
+ expect("a || abort()", "a"); // test short-circuiting
+ expect("\"\" || abort()", NULL);
+
+ // logical not
+ expect("!a", "");
+ expect("! \"\"", "t");
+ expect("!!a", "t");
+}
+
+TEST_F(EdifyTest, precedence) {
+ // precedence
+ expect("\"\" == \"\" && b", "b");
+ expect("a + b == ab", "t");
+ expect("ab == a + b", "t");
+ expect("a + (b == ab)", "a");
+ expect("(ab == a) + b", "b");
+}
+
+TEST_F(EdifyTest, substring) {
+ // substring function
+ expect("is_substring(cad, abracadabra)", "t");
+ expect("is_substring(abrac, abracadabra)", "t");
+ expect("is_substring(dabra, abracadabra)", "t");
+ expect("is_substring(cad, abracxadabra)", "");
+ expect("is_substring(abrac, axbracadabra)", "");
+ expect("is_substring(dabra, abracadabrxa)", "");
+}
+
+TEST_F(EdifyTest, ifelse) {
+ // ifelse function
+ expect("ifelse(t, yes, no)", "yes");
+ expect("ifelse(!t, yes, no)", "no");
+ expect("ifelse(t, yes, abort())", "yes");
+ expect("ifelse(!t, abort(), no)", "no");
+}
+
+TEST_F(EdifyTest, if_statement) {
+ // if "statements"
+ expect("if t then yes else no endif", "yes");
+ expect("if \"\" then yes else no endif", "no");
+ expect("if \"\" then yes endif", "");
+ expect("if \"\"; t then yes endif", "yes");
+}
+
+TEST_F(EdifyTest, comparison) {
+ // numeric comparisons
+ expect("less_than_int(3, 14)", "t");
+ expect("less_than_int(14, 3)", "");
+ expect("less_than_int(x, 3)", "");
+ expect("less_than_int(3, x)", "");
+ expect("greater_than_int(3, 14)", "");
+ expect("greater_than_int(14, 3)", "t");
+ expect("greater_than_int(x, 3)", "");
+ expect("greater_than_int(3, x)", "");
+}
+
+TEST_F(EdifyTest, big_string) {
+ expect(std::string(8192, 's'), std::string(8192, 's').c_str());
+}
+
+TEST_F(EdifyTest, unknown_function) {
+ const char* script1 = "unknown_function()";
+ std::unique_ptr<Expr> expr;
+ int error_count = 0;
+ EXPECT_EQ(1, ParseString(script1, &expr, &error_count));
+ EXPECT_EQ(1, error_count);
+
+ const char* script2 = "abc; unknown_function()";
+ error_count = 0;
+ EXPECT_EQ(1, ParseString(script2, &expr, &error_count));
+ EXPECT_EQ(1, error_count);
+
+ const char* script3 = "unknown_function1() || yes";
+ error_count = 0;
+ EXPECT_EQ(1, ParseString(script3, &expr, &error_count));
+ EXPECT_EQ(1, error_count);
+}