105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
#include "reader.h"
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#include "testing.h"
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static memory_pool_t pool;
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static void input_1234_is_read_as_number_with_expected_value(void)
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{
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init_memory_pool(&pool);
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const expression_t *result = read_expression(&pool, "1234", 4);
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ASSERT_NOT_NULL(result);
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ASSERT_TRUE(result->is_number);
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ASSERT_EQUAL(1234, result->number);
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}
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static void input_4321_is_read_as_number_with_expected_value(void)
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{
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init_memory_pool(&pool);
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const expression_t *result = read_expression(&pool, "4321", 4);
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ASSERT_NOT_NULL(result);
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ASSERT_TRUE(result->is_number);
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ASSERT_EQUAL(4321, result->number);
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}
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static void input_1234_with_len_3_is_read_as_123(void)
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{
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init_memory_pool(&pool);
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const expression_t *result = read_expression(&pool, "1234", 3);
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ASSERT_NOT_NULL(result);
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ASSERT_TRUE(result->is_number);
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ASSERT_EQUAL(123, result->number);
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}
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static void input_1_plus_2_with_no_spaces_is_read_as_an_add_application(void)
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{
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init_memory_pool(&pool);
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const expression_t *result = read_expression(&pool, "1+2", 3);
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ASSERT_NOT_NULL(result);
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ASSERT_FALSE(result->is_number);
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ASSERT_EQUAL(OPERATOR_ADD, result->application.operator);
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}
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static void operands_of_15_plus_54_are_read_as_numbers(void)
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{
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init_memory_pool(&pool);
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const expression_t *result = read_expression(&pool, "15+54", 5);
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ASSERT_NOT_NULL(result);
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ASSERT_FALSE(result->is_number);
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ASSERT_NOT_NULL(result->application.operands[0]);
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ASSERT_TRUE(result->application.operands[0]->is_number);
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ASSERT_EQUAL(15, result->application.operands[0]->number);
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ASSERT_NOT_NULL(result->application.operands[1]);
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ASSERT_TRUE(result->application.operands[1]->is_number);
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ASSERT_EQUAL(54, result->application.operands[1]->number);
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}
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static void
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input_6_minus_2_with_no_spaces_is_read_as_a_subtract_application(void)
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{
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init_memory_pool(&pool);
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const expression_t *result = read_expression(&pool, "6-2", 3);
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ASSERT_NOT_NULL(result);
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ASSERT_FALSE(result->is_number);
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ASSERT_EQUAL(OPERATOR_SUBTRACT, result->application.operator);
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}
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static void
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input_1_plus_2_plus_3_is_parsed_as_a_right_nested_application(void)
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{
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init_memory_pool(&pool);
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const expression_t *result = read_expression(&pool, "1+2+3", 5);
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ASSERT_NOT_NULL(result);
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ASSERT_FALSE(result->is_number);
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ASSERT_EQUAL(OPERATOR_ADD, result->application.operator);
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const expression_t *operand0 = result->application.operands[0];
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ASSERT_NOT_NULL(operand0);
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ASSERT_TRUE(operand0->is_number);
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ASSERT_EQUAL(1, operand0->number);
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const expression_t *operand1 = result->application.operands[1];
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ASSERT_NOT_NULL(operand1);
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ASSERT_FALSE(operand1->is_number);
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ASSERT_EQUAL(OPERATOR_ADD, operand1->application.operator);
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ASSERT_NOT_NULL(operand1->application.operands[0]);
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ASSERT_TRUE(operand1->application.operands[0]->is_number);
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ASSERT_EQUAL(2, operand1->application.operands[0]->number);
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ASSERT_NOT_NULL(operand1->application.operands[1]);
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ASSERT_TRUE(operand1->application.operands[1]->is_number);
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ASSERT_EQUAL(3, operand1->application.operands[1]->number);
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}
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int main(void)
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{
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TESTING_BEGIN();
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RUN_TEST(input_1234_is_read_as_number_with_expected_value);
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RUN_TEST(input_4321_is_read_as_number_with_expected_value);
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RUN_TEST(input_1234_with_len_3_is_read_as_123);
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RUN_TEST(operands_of_15_plus_54_are_read_as_numbers);
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RUN_TEST(input_1_plus_2_with_no_spaces_is_read_as_an_add_application);
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RUN_TEST(
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input_6_minus_2_with_no_spaces_is_read_as_a_subtract_application);
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RUN_TEST(input_1_plus_2_plus_3_is_parsed_as_a_right_nested_application);
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TESTING_END();
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}
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