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Diffstat (limited to 'tests/component/edify_test.cpp')
-rw-r--r-- | tests/component/edify_test.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/tests/component/edify_test.cpp b/tests/component/edify_test.cpp new file mode 100644 index 000000000..287e40cc6 --- /dev/null +++ b/tests/component/edify_test.cpp @@ -0,0 +1,169 @@ +/* + * 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 = 0; + EXPECT_EQ(0, parse_string(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: + virtual 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) { + // big string + expect(std::string(8192, 's').c_str(), std::string(8192, 's').c_str()); +} + +TEST_F(EdifyTest, unknown_function) { + // unknown function + const char* script1 = "unknown_function()"; + Expr* expr; + int error_count = 0; + EXPECT_EQ(1, parse_string(script1, &expr, &error_count)); + EXPECT_EQ(1, error_count); + + const char* script2 = "abc; unknown_function()"; + error_count = 0; + EXPECT_EQ(1, parse_string(script2, &expr, &error_count)); + EXPECT_EQ(1, error_count); + + const char* script3 = "unknown_function1() || yes"; + error_count = 0; + EXPECT_EQ(1, parse_string(script3, &expr, &error_count)); + EXPECT_EQ(1, error_count); +} |