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authorTao Bao <tbao@google.com>2016-10-04 00:26:06 +0200
committerTao Bao <tbao@google.com>2016-10-04 00:33:20 +0200
commitd770d2e7afd8a909156447c2b79d8739228279d7 (patch)
treee69e90d4386778d6c6ef811f8f93820a5484dd38 /tests/component/edify_test.cpp
parentMerge "Turn on -Werror for recovery" (diff)
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-rw-r--r--tests/component/edify_test.cpp156
1 files changed, 156 insertions, 0 deletions
diff --git a/tests/component/edify_test.cpp b/tests/component/edify_test.cpp
new file mode 100644
index 000000000..ded8540a0
--- /dev/null
+++ b/tests/component/edify_test.cpp
@@ -0,0 +1,156 @@
+/*
+ * 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 <string>
+
+#include <gtest/gtest.h>
+
+#include "edify/expr.h"
+
+static void expect(const char* expr_str, const char* expected) {
+ Expr* e;
+ int error_count;
+ EXPECT_EQ(parse_string(expr_str, &e, &error_count), 0);
+
+ State state;
+ state.cookie = nullptr;
+ state.errmsg = nullptr;
+ state.script = strdup(expr_str);
+
+ char* result = Evaluate(&state, e);
+
+ if (expected == nullptr) {
+ EXPECT_EQ(result, nullptr);
+ } else {
+ EXPECT_STREQ(result, expected);
+ }
+
+ free(state.errmsg);
+ free(state.script);
+ free(result);
+}
+
+class EdifyTest : public ::testing::Test {
+ protected:
+ virtual void SetUp() {
+ RegisterBuiltins();
+ FinishRegistration();
+ }
+};
+
+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) {
+ // big string
+ expect(std::string(8192, 's').c_str(), std::string(8192, 's').c_str());
+}
+